Oki C941 Operation & User’s Manual

Contents Contents Setting the Spot Color kit (C941/ES9541/Pro9541 only)...................... 3 Control Panel Explanation..................................................................... 6 Standby Screen.......................................................................................................6 Menu table of Spot Color toner................................................................................7 Checking the printer drivers............................................................... 11 Printer driver functions table.............................................................. 13 With white toner mounted.....................................................................................13 With clear toner mounted (C941/ES9541/Pro9541 only)......................................17 Printing on color paper....................................................................... 21 Color papers that can be used...............................................................................21 Printing using white toner only.............................................................................21 Printing white under color.....................................................................................24 Adjusting the print position for spot color overprint (C941/ES9541/Pro9541 only).... 29 Printing on transparent film................................................................ 35 Transparent films that can be used........................................................................35 Setting transparent film in the device....................................................................35 Preparing output destination of transparent films.................................................38 Mirror reverse printing..........................................................................................38 Printing by using applications to specify Spot Color toner (PS printer drivers only)..................................................................... 43 Using Illustrator....................................................................................................43 Using Photoshop....................................................................................................44 Fine-tuning the white gradation......................................................... 46 Replacing Spot Color kits (C941/ES9541/Pro9541 only).................... 47

Setting the Spot Color kit (C941/ES9541/Pro9541 only) z z Setting the Spot Color kit (C941/ES9541/Pro9541 only) This section explains how to set the Spot Color kit. Memo z z For C942/ES9542/Pro9542, these steps are not required. First "mount the consumables" as described in "Basic" before setting the Spot Color kit. 1 Open the package, and remove the duct, toner, and image drum. Note z z Do not remove the toner or image drum from their packages. 2 Open the front cover. 3 Mount the duct to the printer.

Setting the Spot Color kit (C941/ES9541/Pro9541 only) 4 Remove the image drum from its packaging. Note z z Do not expose the image drum to direct sunlight or strong light (About 1,500 lux or above). Do not leave it for more than 5 minutes even under room lighting. z z Be careful not to touch or scratch the image drum (green cylinder). 5 Remove the stopper (orange). 6 Align the (red) arrows on the image drum and printer, and insert gently into the slot while taking care not to touch the (green) light sensor on the underside with your hands, and then push in firmly as far as it will go. Note z z Be careful not to touch or scratch the image drum (green cylinder). 7 Close the front cover.

Setting the Spot Color kit (C941/ES9541/Pro9541 only) 8 Remove the toner cartridge from its packaging, and shake it vertically and horizontally. Note z z Do not drop the toner cartridge or tap it on the floor. Doing so may damage the cartridge. 9 Open the toner replacement cover. 10 Check the position of the slot, and firmly push the toner cartridge in as far as it will go. 11 Close the toner replacement cover. 12 Turn ON (I) the main power switch. 13 Press and hold the power switch for approx. 1s. Memo z z When "Spot Color has been replaced/Press OK to change the Spot Color settings in the menu to Clear and restart the system/If you do not want to change settings, return Spot Color toner, image drum and Spot Color duct settings to white" is displayed, press the [OK] button. z z When the Spot Color kit has been set, return to the "Basic", and implement the tasks described from "Setting the Paper" onwards.

Control Panel Explanation z z Control Panel Explanation This section explains the C941/C942/ES9541/ES9542/Pro9541/Pro9542 control panel. Standby Screen With white toner mounted Displays the printer status. Displays the remaining consumables quantities. With clear toner mounted Displays the printer status. Displays the remaining consumables quantities.

Control Panel Explanation Menu table of Spot Color toner The printer menus for clear toner and white toner are as described below. Numbers following the letter F in the menu items indicate the function number. Memo z z For details of menus other than the Spot Color toner, see the "Basic". Configuration Tray Count Supplies Life Cyan Toner Magenta Toner Yellow Toner Black Toner White Toner (n.nK) *1 Clear Toner (n.nK) *2 Cyan Drum Magenta Drum Yellow Drum Black Drum White Drum *1 Clear Drum *2 Waste Toner Box Belt Fuser Network Paper Size in Tray System Print Information Configuration Network Demo Page File List PS Font List PCL Font List IBM PPR Font List EPSON FX Font List Usage Report Error Log Color Profile List User Media List Test Print-1 Test Print-2 Test Print-3 *3 Print Test Print-4 Print Print Secure Job Encrypted Job Stored Job *1: Displayed when you have installed the white toner cartridge and image drum. *2: Displayed when you have installed the clear toner cartridge and image drum. Clear can be used only with C941/ES9541/ Pro9541. *3: Displayed when you have installed the white toner cartridge and image drum with C941/ES9541/Pro9541.

Control Panel Explanation Menus Tray Configuration System Adjust Print Adjust Print Position Adjust MPTray X Adjust (0.00mm) Y Adjust (0.00mm) Duplex X Adjust (0.00mm) Duplex Y Adjust (0.00mm) Overprint X Adjust *4 (0.00mm) Overprint Y Adjust *4 (0.00mm) Y Scaling (0.00%) Tray1 X Adjust (0.00mm) Y Adjust (0.00mm) Duplex X Adjust (0.00mm) Duplex Y Adjust (0.00mm) Overprint X Adjust *4 (0.00mm) Overprint Y Adjust *4 (0.00mm) Y Scaling (0.00%) Tray2 *1 X Adjust (0.00mm) Y Adjust (0.00mm) Duplex X Adjust (0.00mm) Duplex Y Adjust (0.00mm) Overprint X Adjust *4 (0.00mm) Overprint Y Adjust *4 (0.00mm) Y Scaling (0.00%) Tray3 *1 X Adjust (0.00mm) Y Adjust (0.00mm) Duplex X Adjust (0.00mm) Duplex Y Adjust (0.00mm) Overprint X Adjust *4 (0.00mm) Overprint Y Adjust *4 (0.00mm) Y Scaling (0.00%) Tray4 *1 X Adjust (0.00mm) Y Adjust (0.00mm) Duplex X Adjust (0.00mm) Duplex Y Adjust (0.00mm) Overprint X Adjust *4 (0.00mm) Overprint Y Adjust *4 (0.00mm) Y Scaling (0.00%) Tray5 *1 X Adjust (0.00mm) Y Adjust (0.00mm) Duplex X Adjust (0.00mm) Duplex Y Adjust (0.00mm) Overprint X Adjust *4 (0.00mm) Overprint Y Adjust *4 (0.00mm) Y Scaling (0.00%) F220 F221 F222 F223 F224 F225

Control Panel Explanation Paper Black Setting Paper Color Setting Trans. Black Setting Trans. Color Setting SMR Setting Cyan Magenta Yellow Black White *2 Clear *3 BG Setting Cyan Magenta Yellow Black White *2 Clear *3 Drum Cleaning Transfer Roller Cleaning High Humid Mode Moisture Control Narrow Paper Speed Print Mode Transfer Setting Cyan Transfer Setting DV Roller Cleaning Magenta Transfer Setting Yellow Transfer Setting Black Transfer Setting White Transfer Setting *2 Clear Transfer Setting *3 *1: Displayed when trays 2 to 5 are mounted. *2: Displayed when you have installed the white toner cartridge and image drum. *3: Displayed when you have installed the clear toner cartridge and image drum (C941/ES9541/Pro9541 only). *4: Displayed only with C941/ES9541/Pro9541.

Control Panel Explanation Admin Setup Network Setup USB Setup Print Setup PS Setup PCL Setup XPS Setup IBM PPR Setup EPSON FX Setup Color Setup Ink Simulation UCR CMY 100% Density CMYK Conversion Spot Color (White) *3 Panel Setup Time Setup Power Setup Others Setup Settings Change Password Print Statistics JOB LOG Supplies Report Reset Main Counter Reset Supplies Counter Change Password Calibration Auto Density Mode Auto BG Adjust Mode Density Adjustment Media Adjust Density Adjust Registration Heavy Media Adjust Heavy Media Mode Color Density Cyan Density Magenta Density Yellow Density Black Density White Density (0) *1 Clear Density (0) *2 Print Color Tuning Pattern Base Color Tuning Fine Color Tuning Reset Color Tuning White Tuning *1 F314 F314 Boot Menu Network Factory Defaults HDD Setup Storage Common Setup Menu Lockout (Off) Panel Lockout (Off) *1: Displayed when you have installed the white toner cartridge and image drum. *2: Displayed when you have installed the clear toner cartridge and image drum (C941/ES9541/Pro9541 only). *3: Displayed only with C941/ES9541/Pro9541.

Checking the printer drivers z z Checking the printer drivers When installation of printer drivers is complete, check that the Spot Color toner that has been mounted is selected in [Spot Color Toner] in the [Device Settings] tab or [Device Options] tab. Memo z z For the printer driver installation method, see "Connecting to the PC" in "Basic". „ „ Using Windows PS printer drivers The color of the Spot Color toner that has been mounted is displayed in [Spot Color Toner] in the [Device Settings] tab. If the mounted color is not set, select the relevant Spot Color Toner color. „ „ Using Windows PCL printer drivers The color of the Spot Color toner that has been mounted is displayed in [Spot color toner] in the [Device Options] tab. If the mounted color is not set, select the relevant Spot color toner color.

Checking the printer drivers „ „ Using Windows XPS printer drivers The color of the Spot Color toner that has been mounted is displayed in [Spot color toner] in the [Device Options] tab. If the mounted color is not set, select the relevant Spot color toner color. „ „ Using Mac OS X PS printer drivers The color of the Spot Color toner that has been mounted is displayed in [Spot Color Toner] in the [Driver] panel. If the mounted color is not set, select the relevant Spot Color Toner color.

Printer driver functions table z z Printer driver functions table This section explains the Spot Color toner functions in the printer drivers. Select the Spot Color toner in the [Device Settings] tab or [Device Options] tabs of the printer drivers. The following screen will be displayed. Note z z Plain, recycled, and glossy under GSM 52 to 64g/m 2 (ream weight under 45 to 55kg) are incompatible with Spot Color printing using white toner or clear toner. Memo z z If using the Fiery XF Server Option, see the manual enclosed with Fiery XF Server Option. With white toner mounted „ „ Using Windows PS printer drivers Click [Spot Color] in the [Color] tab to display the window for setting the Spot Color toner. Item Explanation Usage Methods Do not use Print without using white toner. Full page Using white toner on whole printed pages. Data portion (Excluding white) Using white toner in the data portions excluding the white portions. Data portion (Including white) Using white toner in the data portions including the white portions. Printing only spot color toner Printing using white toner only. Application specification Applications can be used to specify white toner. This function is for PS printer drivers only. Order of superposition Printing white on the color Printing by overlaying white toner on cyan, magenta, yellow, and black toner. Printing white under the color Printing by overlaying white toner under cyan, magenta, yellow, and black toner. White size adjustment * Finely adjust the print size in white when printing in "Printing white under the color". Enter the degree of shrinkage of white for other colors. Special Mirror Print Printing by reversing the horizontal orientation. *: This is a function added to Windows PS printer driver version 1.0.3 or later. This is available when combined with firmware version A01.07_0_4 or later. See "Adjusting the print position for spot color overprint (C941/ES9541/Pro9541 only)" (P.29) for details.

Printer driver functions table „ „ Using Windows PCL printer drivers Click the [Spot Color] tab to display the window for setting the Spot color toner. Item Explanation Usage methods Do not use Print without using white toner. Full page Using white toner on whole printed pages. Data portion (Excluding white) Using white toner in the data portions excluding the white portions. Data portion (Including white) Using white toner in the data portions including the white portions. Printing only spot color toner Printing using white toner only. Watermarks/Overlays Print the selected Watermarks/Overlays with white toner. Order of superposition Printing white on the color Printing by overlaying white toner on cyan, magenta, yellow, and black toner. Printing white under the color Printing by overlaying white toner under cyan, magenta, tellow, and black toner. White size adjustment * Finely adjust the print size in white when printing in "Printing white under the color". Enter the degree of shrinkage of white for other colors. Speciality Mirror Print Printing by reversing the horizontal orientation. *: This is a function added to Windows PCL printer driver version 1.0.3 or later. This is available when combined with firmware version A01.07_0_4 or later. See "Adjusting the print position for spot color overprint (C941/ES9541/Pro9541 only)" (P.29) for details.

Printer driver functions table „ „ Using Windows XPS printer drivers Click [Spot Color] in the [Color] tab to display the window for setting the Spot color toner. Item Explanation Usage Methods Do not use Print without using white toner. Full page Using white toner on whole printed pages. Data portion (Excluding white) Using white toner in the data portions excluding the white portions. Data portion (Including white) Using white toner in the data portions including the white portions. Printing only spot color toner Printing using white toner only. Order of superposition Printing white on the color Printing by overlaying white toner on cyan, magenta, yellow, and black toner. Printing white under the color Printing by overlaying white toner under cyan, magenta, yellow, and black toner. White size adjustment * Finely adjust the print size in white when printing in "Printing white under the color". Enter the degree of shrinkage of white for other colors. Speciality Mirror Print Printing by reversing the horizontal orientation. *: This is a function added to Windows XPS printer driver version 1.0.3 or later. This is available when combined with firmware version A01.07_0_4 or later. See "Adjusting the print position for spot color overprint (C941/ES9541/Pro9541 only)" (P.29) for details.

Printer driver functions table „ „ Using Mac OS X PS printer drivers Select the [Spot Color] panel to display the window for setting the Spot Color toner. Item Explanation Usage methods Do not use Print without using white toner. Full page Using white toner on whole printed pages. Data portion (Excluding white) Using white toner in the data portions excluding the white portions. Data portion (Including white) Using white toner in the data portions including the white portions. Printing only spot color toner Printing using white toner only. Application specification Applications can be used to specify white toner. This function is for PS printer drivers only. Order of superposition Printing white on the color Printing by overlaying white toner on cyan, magenta, yellow, and black toner. Printing white under the color Printing by overlaying white toner under cyan, magenta, yellow, and black toner. White size adjustment * Finely adjust the print size in white when printing in "Printing white under the color". Enter the degree of shrinkage of white for other colors. Flip horizontally Printing by reversing the horizontal orientation. *: This is a function added to Mac OS X PS printer driver version 1.0.3 or later. This is available when combined with firmware version A01.07_0_4 or later. See "Adjusting the print position for spot color overprint (C941/ES9541/Pro9541 only)" (P.29) for details.

Printer driver functions table With clear toner mounted (C941/ES9541/Pro9541 only) „ „ Using Windows PS printer drivers Click [Spot Color] in the [Color] tab to display the window for setting the Spot Color toner. Item Explanation Usage Methods Do not use Print without using clear toner. Full page Using clear toner on whole printed pages. Data portion (Excluding white) Using clear toner in the data portions excluding the white portions. Data portion (Including white) Using clear toner in the data portions including the white portions. Printing only spot color toner Printing using the clear toner only. Application specification Applications can be used to specify clear toner. This function is for PS printer drivers only. Special Mirror Print Printing by reversing the horizontal orientation.

Printer driver functions table „ „ Using Windows PCL printer drivers Click the [Spot Color] tab to display the window for setting the Spot Color toner. Item Explanation Usage methods Do not use Print without using clear toner. Full page Using clear toner on whole printed pages. Data portion (Excluding white) Using clear toner in the data portions excluding the white portions. Data portion (Including white) Using clear toner in the data portions including the white portions. Printing only spot color toner Printing using the clear toner only. Watermarks/Overlays Print the selected Watermarks/Overlays with clear toner. Speciality Mirror Print Printing by reversing the horizontal orientation.

Printer driver functions table „ „ Using Windows XPS printer drivers Click [Spot Color] in the [Color] tab to display the window for setting the Spot color toner. Item Explanation Usage methods Do not use Print without using clear toner. Full page Using clear toner on whole printed pages. Data portion (Excluding white) Using clear toner in the data portions excluding the white portions. Data portion (Including white) Using clear toner in the data portions including the white portions. Printing only spot color toner Printing using the clear toner only. Speciality Mirror Print Printing by reversing the horizontal orientation.

Printer driver functions table „ „ Using Mac OS X PS printer drivers Click the [Spot Color] panel to display the window for setting the Spot Color toner. Item Explanation Usage methods Do not use Print without using clear toner. Full page Using clear toner on whole printed pages. Data portion (Excluding white) Using clear toner in the data portions excluding the white portions. Data portion (Including white) Using clear toner in the data portions including the white portions. Prints only spot color toner Printing using the clear toner only. Application specification Applications can be used to specify clear toner. This function is for PS printer drivers only. Mirror Print Printing by reversing the horizontal orientation.

Printing on color paper z z Printing on color paper Color papers that can be used Use color paper that satisfies the following conditions. z z Pigments used to color the paper or ink that is heat-resistant at 230ºC. z z E-photo printer paper with the same paper characteristics as plain paper Printing using white toner only Printing text and illustrations using only white toner on color paper. Before printing, check that white toner has been mounted to the device, and that white toner has been selected using the printer drivers. Note z z Plain, recycled, and glossy under GSM 52 to 64g/m 2 (ream weight under 45 to 55kg) are incompatible with Spot Color. Memo z z For how to check the Spot Color toner selected using the printer drivers, see "Checking the printer drivers" (P.11). z z Even if the cyan (blue), magenta (red), yellow toner cartridge life has been reached, spot color printing can be done by specifying "Print only with spot color". (You cannot print if the black toner cartridge life is reached.) „ „ Using Windows PS printer drivers 1 Open the file to be printed. 2 Click [Page Setup] in the [File] menu. 3 Select the paper size and print orientation, and click [OK]. 4 Select [Print] in the [File] menu. 5 Click [Advanced] (or [Properties]). 6 Use [Paper Source] in the [Paper/ Quality] tab to select the tray to be used. 7 Use [Media] to select the paper type to be used, and click [Advanced]. 8 Select suitable values from [Media Weight] using the [Advanced Options] screen, and click [OK].

Printing on color paper 9 Click [Spot Color] in the [Color] tab. 10 Select [Printing only spot color toner] in [Usage Methods], and click [OK]. 11 Click [OK] to return to the [Print] screen. 12 Click [Print] in the [Print] screen to print. „ „ Using Windows PCL printer drivers 1 Open the file to be printed. 2 Click [Page Setup] in the [File] menu. 3 Select the paper size and print orientation, and click [OK]. 4 Select [Print] in the [File] menu. 5 Click [Advanced] (or [Properties]). 6 Use [Paper Source] in the [Setup] tab to select the tray to be used. 7 Use [Media Type] to select the paper type to be used. 8 Select suitable values using [Media Weight]. 9 Click the [Spot Color] tab. 10 Select [Prints only spot color toner] in [Usage methods], and click [OK]. 11 Click [Print] in the [Print] screen to print.

Printing on color paper „ „ Using Windows XPS printer drivers 1 Open the file to be printed. 2 Click [Page Setup] in the [File] menu. 3 Select the paper size and print orientation, and click [OK]. 4 Select [Print] in the [File] menu. 5 Click [Advanced] (or [Properties]). 6 Use [Paper Source] in the [Setup] tab to select the tray to be used. 7 Use [Media Type] to select the paper type to be used. 8 Select suitable values using [Media Weight]. 9 Click [Auto Color] in the [Color] tab. 10 Select [Printing only spot color toner] in [Usage Methods], and click [OK]. 11 Click [OK] to return to the [Print] screen. 12 Click [Print] in the [Print] screen to print.

Printing on color paper „ „ Using Mac OS X Printer Drivers 1 Open the file to be printed. 2 Click [Page Setup] in the [File] menu. 3 Select the paper size and print orientation using the page setup dialog box, and click [OK]. 4 Select [Print] in the [File] menu. 5 Use the [Source] panel to select the tray to be used. 6 Click the [Feed] tab in the [Print Options] panel, and select suitable values using [Media Type] and [Media Weight]. 7 Select [Prints only spot color toner] in [Usage Methods] in the [Spot Color] panel. 8 Click [Print] to print. Printing white under color If printing on color paper in C941/ES9541/ Pro9541, you can print the base using white toner, and then overprint using colors (CMYK). In C942/ES9542/Pro9542, white toner is always printed under the colors (CMYK). Note z z This function cannot be used with envelopes or postcards (except for Japanese Double Postcards and 4-Ren Hagaki). z z This function cannot be used with GSM under 52 to 64g/m 2 (ream weight under 45 to 55kg), or paper with GSM 321 to 360g/m 2 (ream weight 256 to 309kg). z z Custom size is compatible with papers with widths from 99.0 to 330.0mm, and lengths from 180 to 457mm. z z Clear toner is not compatible with this function. „ „ Using Windows PS printer drivers 1 Open the file to be printed. 2 Click [Page Setup] in the [File] menu. 3 Select the paper size and print orientation, and click [OK]. 4 Select [Print] in the [File] menu. 5 Click [Advanced] (or [Properties]). 6 Use [Paper Source] in the [Paper/ Quality] tab to select the tray to be used. 7 Use [Media] to select the paper type to be used, and click [Advanced]. 8 Select suitable values from [Media Weight] using the [Advanced Options] screen, and click [OK].

Printing on color paper 9 Click [Spot Color] in the [Color] tab. 10 Select [Data portion (Including white)] in [Usage Methods]. 11 Select [Printing white under the color] in [Order of superposition], and click [OK]. 12 Click [OK] to return to the [Print] screen. 13 Click [Print] in the [Print] screen to print. „ „ Using Windows PCL printer drivers 1 Open the file to be printed. 2 Click [Page Setup] in the [File] menu. 3 Select the paper size and print orientation, and click [OK]. 4 Select [Print] in the [File] menu. 5 Click [Advanced] (or [Properties]). 6 Use [Paper Source] in the [Setup] tab to select the tray to be used. 7 Use [Media Type] to select the paper type to be used. 8 Select suitable values using [Media Weight]. 9 Click the [Spot Color] tab. 10 Select [Data portion (Including white)] in [Usage methods].

Printing on color paper 11 Select [Printing white under the color] in [Order of superposition], and click [OK]. 12 Click [Print] in the [Print] screen to print. „ „ Using Windows XPS printer drivers 1 Open the file to be printed. 2 Click [Page Setup] in the [File] menu. 3 Select the paper size and print orientation, and click [OK]. 4 Select [Print] in the [File] menu. 5 Click [Advanced] (or [Properties]). 6 Use [Paper Source] in the [Setup] tab to select the tray to be used. 7 Use [Media Type] to select the paper type to be used. 8 Select suitable values using [Media Weight]. 9 Click [Spot Color] in the [Color] tab.

Printing on color paper 10 Select [Data portion (Including white)] in [Usage Methods]. 11 Select [Printing white under the color] in [Order of superposition], and click [OK]. 12 Click [OK] to return to the [Print] screen. 13 Click [Print] in the [Print] screen to print. „ „ Using Mac OS X Printer Drivers 1 Open the file to be printed. 2 Click [Page Setup] in the [File] menu. 3 Select the paper size and print orientation using the page setup dialog box, and click [OK]. 4 Select [Print] in the [File] menu. 5 Use the [Source] panel to select the tray to be used. 6 Click the [Feed] tab in the [Print Options] panel, and select suitable values using [Media Type] and [Media Weight]. 7 Select [Data portion (Including white)] in [Usage Methods] in the [Spot Color] panel.

Printing on color paper 8 Select [Printing white under the color] in [Order of superposition] in the [Spot Color] panel. 9 Click [Print] to print.

Printing on color paper Adjusting the print position for spot color overprint (C941/ES9541/Pro9541 only) When printing white under the color in C941/ES9541/Pro9541, misalignment or shrinkage may occur depending on the paper in use. In this case, adjust the registration and image size by following the procedure below. In C942/ES9542/Pro9542, white toner is always printed under the color toner (CMYK) without spot color overprint. Note z z The adjustment of image size can be done when printer driver version 1.0.3 or later and firmware version A01.07_0_4 or later is combined. z z You can check the version of Windows PS/PCL/XPS printer driver by clicking the [Version Information] button in the setting screen. z z You can check the version of Mac OS X PS printer driver by opening [System Preferences] > [Print and Scan] > [Option and Supply] from the Apple menu and going to the [General] tab > [Driver Version]. z z You can check the version of the firmware by selecting [Printer Information] > [System Information] > [Firmware Version] from the control panel menu. Reference z z To locate the button of [Version Information] on the printer driver setup screen, refer to the "List of Printer Driver Features" in the C941 User's Manual "Advanced". „ „ Adjusting Registration and Image Size Note z z Misalignment or shrinkage of image size differs depending on the paper and paper tray. Please use the paper and paper tray that you will use in actual printing for test print. 1 Set the paper in the paper tray. 2 Set the paper tray you are using in [Paper Feed Tray] from the control panel. (1) Press the [Fn] key, [8], [0], and press the [OK] button. (2) Select the paper tray you want to use, and press the [OK] button. 3 Set the paper weight, paper size, and paper type of the paper you want to use using the control panel. 4 Press the scroll button or . 5 Select [Print Information], and press the [OK] button. 6 Select [Test Print-3], and press the [OK] button.

Printing on color paper 7 In the test result, compare the degree of misalignment between the black and white lines in the center. 0.5mm 0.75mm Paper operation direction 10mm Memo z z If the black line is hard to read, use a color easy to read to adjust the white line misalignment. 8 Adjust the registration of black lines to the white lines. The following figure illustrates a case where deviation occurs. (1) Check that 0.75 mm is adjusted in the direction of X (+) and 0.05 mm in Y (-) based on the following direction adjustment figure. Memo z z For this example, adjustment of +0.75mm for X direction and -0.5mm for Y direction are necessary. Registration adjustment diagram -0.5mm +0.75mm 10mm (2) Press the [Fn] key. The numerical values input screen will be displayed. (3) Enter the function number of the paper feed tray to be set. z z For the multi-purpose tray Press the function number [2], [2], [0], and press the [OK] button. z z For Tray1 Press the function number [2], [2], [1], and press the [OK] button. Memo z z The function numbers for trays 2 to 5 are described below. – – For Tray 2 Press the [Fn] key, [2], [2], [2], and [OK]. – – For Tray 3 Press the [Fn] key, [2], [2], [3], and [OK]. – – For Tray 4 Press the [Fn] key, [2], [2], [4], and [OK]. – – For Tray 5 Press the [Fn] key, [2], [2], [5], and [OK].

Printing on color paper (4) Select [Overprint X Adjust], and press the [OK] button. (5) Set the X direction adjustment value verified in step 8-(1) by pressing the scroll button or , and then press the [OK] button. Memo z z The adjustment range is from -2.00 mm to +2.00 mm in the step of 0.25 mm. (6) Press the [BACK] button. (7) Press the scroll button or , select [Overprint Y Adjust], and press the [OK] button. Memo z z The adjustment range is from -2.00 mm to +2.00 mm in the step of 0.25 mm. (8) Set the Y direction adjustment value verified in step 8-(1) by pressing the scroll button or , and then press the [OK] button. (9) Press the [ONLINE] button. 9 Check the degree of shrinkage of white image size of color image from the print result of Step 6 (Test Print 3). (1) Select both outermost black lines from among the lines along the direction of the paper. X-Direction Paper operation direction (2) Measure the black line interval and the corresponding white line interval, and work out the shrinking percentage of X-direction by using the following formula. "White line interval ÷ Black line interval" White line interval: 238.3mm Black line interval: 239.8mm 238.3 ÷ 239.8 = 99.37% : Shrinking percentage of X-direction

Printing on color paper (3) Select the two black lines separated as much as possible from among the lines intersecting the direction of the paper. Paper operation direction Y-Direction (4) Measure the black line interval and the corresponding white line interval, and work out the shrinking percentage of Y-direction. Black line interval: 160.0mm White line interval: 159.2mm 159.2 ÷ 160.0 = 99.50% : Shrinking percentage of Y-direction Memo z z If the black line is hard to read, use the white line that corresponds to the line of color easy to read (the two lines must be of the same color). 10 Open the file to be printed. 11 Select [Print] in the [File] menu. 12 Click [Advanced] (or [Preferences]). 13 Specify the shrinking percentage of X-direction as adjusted value of X, shrinking percentage of Y-direction as adjusted value of Y (Calculated in Step 9) in [White size adjustment] of [Order of superposition] in the Spot Color toner setting screen of the printer driver. Memo z z The adjustment range is from 99.00% to 100.00% in the step of 0.01%. z z [White Size Adjustment] can only be specified when [Print White Under The Color] is enabled. z z Windows PS printer driver screen is used as an example. Reference z z To display the Spot Color toner setting screen for each printer driver, refer to the "Printer driver functions table" (P.13). 14 Print out the opened file, and check the print result. 15 If misalignment of registration is not resolved, readjust following Step 8 based on the print result of Step 14. Memo z z If the misalignment is not resolved after performing the adjustment several times, use the setting value with the fewest misalignment.

Printing on color paper Printing on color paper „ „ Adjusting the White Image from Application By adjusting the file from the application, the registration misalignment may not be noticeable. If the misalignment is not fixed after adjusting the position and size, adjust the white image with the application. Adobe Illustrator will be used as an example for the adjustment method. 1 Open the data with white misalignment. 2 Create a new layer. Name the layer "SpotColor", and create this at the top. 3 Open the swatch window, and click the "New Swatch" button. Enter [SpotColor_White] as its name, and select [Spot Color] for the color type. Note z z Please enter the name as given above. White toner will not be recognized if you make a mistake in the entries. 4 Copy the object to be filled with spot color white to the "SpotColor" layer. 5 Select the copied object, and set the fill to "SpotColor_White:100%" and the border to "SpotColor_White:0%". For outlines, select "Object" > "Path" > "Path Outline", and set the fill and border after it been changed to Object. 6 Open the attribute window, and select [Overprint Fill] and [Overprint Stroke]. 7 Select [File] > [Print]. 8 Go to [Printer], and select [OKI C941 (PS)]. 9 Go to [Advanced] > [Overprints], and select [Simulate]. 10 Click [Setup].

Printing on color paper 11 Click [Preferences]. 12 Go to the [Color] tab, and click [Spot Color]. 13 Go to [Usage Methods] and select [Application specification], and select [Printing white under the color] for the order of superposition. 14 Click [OK] to print.

Printing on transparent film z z Printing on transparent film Before printing, check that white toner has been mounted to the device, and that white toner has been selected using the printer drivers. Memo z z For how to check the Spot Color toner selected using the printer drivers, see "Checking the printer drivers" (P.11). Transparent films that can be used Use transparent film that satisfies the following conditions. z z Recommended media: OKI TRANSPARENCY FILM A4Nobi (OKI Color Page Printer Paper, Model Name: PPR-SW4AEB) A3Nobi (OKI Color Page Printer Paper, Model name: PPR-SW3AEB) Setting the media weight in the printer driver: [OKITRANSFILM] When setting from the control panel: Media weight: Auto Paper type: OKITRANSFILM z z Transparent film used in e-photo printers or dry PPC. z z Film that is heat-resistant to 230ºC. z z Paper of width 210mm min. z z Thoroughly test the print quality and paper traction beforehand, and check that there are no impediments before use. z z If you set the media type to [OKITRANSFILM] and print on paper other than excellent transparent films, thoroughly test the print quality and paper traction beforehand, and check that there are no impediments before use. Note z z Do not use shrink film for soft packaging printing. z z Light film may have poor absorption, multiple feeding, and paper jams. z z It is possible that staining will occur on the OKI TRANSPARENCY FILM. Setting transparent film in the device Note z z Excellent clear film cannot be set in Tray 1 or an additionally provided tray (Option). 1 Open the multi-purpose tray ( ) towards you. 2 Open the auxiliary supporter ( ).

Printing on transparent film 3 Pull the setting lever ( ) on the right side of the paper supporter ( ) towards you. 4 Adjust the paper guide ( ) to the width of the paper that has been set. 5 Set the paper so the indentation mark of the transparent film is positioned as shown in the diagram. Note z z Do not set the paper beyond the paper guide ( ). When using OKI TRANSPARENCY FILM For A3 Nobi For A4 Nobi 6 Adjust the paper guide to fit the width of transparent film that has been set. 7 Release and return the setting lever ( ) to its original position.

Printing on transparent film 8 Press the [Fn] key. The numerical values input screen will be displayed. 9 Press [9] and [0], and press the [OK] button. 10 Select the paper size, and press the [OK] button. Memo z z When using an A4 Nobi transparent film, select [A4 Wide ]. 11 Check that is displayed to the left of the selected paper size, and press the [BACK] button. 12 Select [Media Type], and press the [OK] button. 13 Select [OKITRANSFILM], and press the [OK] button. Check that is displayed to the left of [OKITRANSFILM]. 14 Press the [ONLINE] button to return to the standby screen.

Printing on transparent film Preparing output destination of transparent films Transparent films will be output to the face-up stacker. Note z z Multiple excellent transparent films cannot be stacked in the face-up stacker. Remove each printed transparent film after it is output, and then start the next print. 1 Open the face-up stacker ( ) located on the left side of the device. 2 Open the paper supporter ( ) as shown in the diagram. 3 Rotate the auxiliary supporter ( ) in the direction of the arrow into the lock position. Mirror reverse printing If printing on transparent film, print in the order color (CMYK) and then white, and print using mirror reverse for correct appearance when turned over. „ „ Using Windows PS printer drivers 1 Open the file to be printed. 2 Click [Page Setup] in the [File] menu. 3 Select the paper size and print orientation, and click [OK]. 4 Select [Print] in the [File] menu. 5 Click [Advanced] (or [Properties]). 6 Select [Stacker (Face-up)] from [Output Bin] in the [Job Options] tab. 7 Select [Multi-Purpose Tray] in [Paper Source] in the [Paper/Quality] tab. 8 Select [OKITRANSFILM] in [Media].

Printing on transparent film 9 Click [Spot Color] in the [Color] tab. 10 Select [Data portion (Including white)] in [Usage Methods]. 11 Select [Printing white on the color] in [Order of superposition]. 12 For reverse printing, enable [Mirror Print], and click [OK]. 13 Click [OK] to return to the [Print] screen. 14 Click [Print] in the [Print] screen to print. „ „ Using Windows PCL printer drivers 1 Open the file to be printed. 2 Click [Page Setup] in the [File] menu. 3 Select the paper size and print orientation, and click [OK]. 4 Select [Print] in the [File] menu. 5 Click [Advanced] (or [Properties]). 6 Select [Stacker (Face-up)] from [Output Bin] in the [Job Options] tab. 7 Select [Multipurpose Tray] in [Source] in the [Setup] tab. 8 Select [OKITRANSFILM] in [Type]. 9 Click the [Spot Color] tab. 10 Select [Data portion (Including white)] in [Usage methods]. 11 Select [Printing white on the color] in [Order of superposition].

Printing on transparent film 12 For reverse printing, enable [Mirror Print], and click [OK]. 13 Click [Print] in the [Print] screen to print. „ „ Using Windows XPS printer drivers 1 Open the file to be printed. 2 Click [Page Setup] in the [File] menu. 3 Select the paper size and print orientation, and click [OK]. 4 Select [Print] in the [File] menu. 5 Click [Advanced] (or [Properties]). 6 Select [Stacker (Face-up)] from [Output Bin] in the [Job Options] tab. 7 Select [Multipurpose Tray] in [Source] in the [Setup] tab. 8 Select [OKITRANSFILM] in [Type].

Printing on transparent film 9 Click [Spot Color] in the [Color] tab. 10 Select [Data portion (Including white)] in [Usage Methods]. 11 Select [Printing white on the color] in [Order of superposition]. 12 For reverse printing, enable [Mirror Print], and click [OK]. 13 Click [OK] to return to the [Print] screen. 14 Click [Print] in the [Print] screen to print. „ „ Using Mac OS X Printer Drivers 1 Open the file to be printed. 2 Click [Page Setup] in the [File] menu. 3 Select the paper size and print orientation using the page setup dialog box, and click [OK]. 4 Select [Print] in the [File] menu. 5 Select [Multipurpose Tray] in the [Source] panel. 6 Select [Stacker (Face-up)] from [Output Bin] in the [Paper] tab of the [Print Options] panel. 7 Click the [Feed] tab in the [Print Options] panel, and select [OKITRANSFILM] in [Media Type]. 8 Select [Data portion (Including white)] in [Usage Methods] in the [Spot Color] panel. 9 Select [Printing white on the color] in [Order of superposition] in the [Spot Color] panel.

Printing on transparent film 10 For reverse printing, enable [Flip horizontally]. 11 Click [Print] to print.

Printing by using applications to specify Spot Color toner (PS printer drivers only) z z Printing by using applications to specify Spot Color toner (PS printer drivers only) Using Illustrator This explanation uses Illustrator CS6 as an example. „ „ Adding Swatches If using Spot Color (white or clear), specify the swatches added for the objects to be Spot Color printed. 1 Open the swatch panel, and select new swatch. 2 Enter the name in [Swatch Name] as shown below. For white toner: SpotColor_White For clear toner: SpotColor_Clear 3 Select [Spot Color] in [Color Type]. „ „ Printing If printing Spot Color, make the settings using the application print dialog box. 1 Click [Advanced] from the menu on the left of the print dialog box. 2 Select [Simulate] in [Overprints]. 3 Click [Print].

Printing by using applications to specify Spot Color toner (PS printer drivers only) ‰ ‰Using Windows (1) Select Windows PS printer drivers, and click [Advanced] (or [Properties]). (2) Click [Spot Color] in the [Color] tab. (3) Select [Application specification] in [Usage Methods], and click [OK]. (4) Implement printing. ‰ ‰Using Macintosh (1) Select the [Spot Color] panel. (2) Select [Application specification] in [Usage Methods], and click [Print]. (3) Implement printing. Using Photoshop This explanation uses Photoshop CS6 as an example. „ „ Adding Spot Color Channels If using Spot Color (white or clear), specify the Spot Color channels added for the objects to be Spot Color printed. 1 Open the channel panel, and select a new Spot Color channel. 2 Enter the name in [Name] as shown below. For white: SpotColor_White For clear: SpotColor_Clear „ „ Saving in PDF Format Spot Color printing directly from Photoshop is not possible, so initially save the file in PDF format.

Printing by using applications to specify Spot Color toner (PS printer drivers only) „ „ Printing 1 Open the file that has been saved in PDF format using Acrobat or Adobe Reader. 2 Select [File]-[Print] to open the print dialog box. 3 Click [Advanced]. 4 Select [Color] from the menu on the left of the print dialog box, and select [Simulate overprint]. (If using Adobe Reader, click [Advanced], and then select [Simulate overprint].) 5 Click [OK] to return to the print dialog box. ‰ ‰Using Windows 1 Select Windows PS printer drivers, and click [Advanced] (or [Properties]). 2 Click [Spot Color] in the [Color] tab. 3 Select [Application specification] in [Usage Methods]. 4 Implement printing. ‰ ‰Using Macintosh 1 Select the [Spot Color] panel. 2 Select [Application specification] in [Usage Methods]. 3 Implement printing.

Fine-tuning the white gradation z z Fine-tuning the white gradation Finely adjust the shade for each white highlight, dark, mid-tone gradation using the printer control panel. Memo z z Displayed when using white toner. This section explains the procedure for slightly darkening the white highlights. 1 Press the scroll button or . 2 Select [Calibration], and press the [OK] button. 3 Select [White Tuning], and press the [OK] button. 4 Select [Highlight], and press the [OK] button. 5 For the white highlight value, specify a larger value than the current set value, and press the [OK] button. Check that is displayed to the left of the specified value. Memo z z Increase the value to darken, and lower the value to lighten. 6 Press the [ON LINE] button to return to the standby screen.

Replacing Spot Color kits (C941/ES9541/Pro9541 only) z z Replacing Spot Color kits (C941/ES9541/Pro9541 only) Note z z For C942/ES9542/Pro9542, it is not possible to exchange the Spot Color kit. WARNING • • Do not throw toner, toner cartridge or spot color duct in fire. Toner may fly off causing burn injury. • • Do not store toner cartridge or spot color duct in a place with fire. It may catch fire causing fire damage or burn injury. • • Do not clean up spilled toner using an electric vacuum cleaner. When spilled toner is cleaned up using an electric vacuum cleaner, there is a risk of fire due to sparks from the electrical contacts. Wipe off and remove the toner spilled on the floor using a wet cloth. CAUTION • • There are high temperature parts in side the device. Do not touch near the places with "Caution: High Temperature" label. It may cause burn injury. • • Keep the toner cartridge or spot color duct away from children's reach. If children drink toner cartridge by mistake, immediately consult the physician. • • When toner is inhaled, gargle with a lot of water and move the person to a place with fresh air. Consult a physician as necessary. • • When there is toner on skin of hands etc., wash it off with liquid soap. • • If toner gets into eyes, immediately wash it off with a large quantity of water. Consult a physician as necessary. • • When toner is swallowed, dilute the toner by drinking a large quantity of water. Consult a physician as necessary. • • When solving paper jam or replacing toner cartridge or spot color duct, be careful that your hands and clothes are not stained with toner. When there is toner on skin of hands etc., wash it off with liquid soap. • • When clothes are stained with toner, wash them in cold water. Heating it such as washing in hot water will dye the toner on clothes, and it stains may not remove easily. • • Do not disassemble or forcibly open the toner cartridge or spot color duct. It may scatter the toner, which people may inhale or may stain clothes and hand. • • Store the used toner cartridge or spot color duct in a bag so that toner does not scatter. • • If toner is spilled on the floor, wipe it up carefully using a damp cloth to prevent the toner from scattering.

Replacing Spot Color kits (C941/ES9541/Pro9541 only) This section explains the procedure for replacing Spot Color white kits and Spot Color clear kits. This section explains the procedure for replacing Spot Color clear kits from Spot Color white kits. 1 Press and hold the power switch for approx. 1s. 2 Turn the main power supply switch to the OFF (O) position to turn OFF the power supply. 3 Open the toner replacement cover. 4 Remove the white toner. 5 Close the toner replacement cover. 6 Open the front cover.

Replacing Spot Color kits (C941/ES9541/Pro9541 only) 7 Gently lift up the (blue) handle, and remove the image drum while taking care not to touch the bottom of the drum (i.e., the green cylinder) with your hands. Note z z To prevent photodegredation of the image drum, do not leave in direct sunlight or fluorescent light. z z Be careful not to touch or scratch the image drum (green cylinder). z z If the toner feed area for the spot color image drum needs cleaning, wipe it off with a tissue. (Check that no toner spills onto the drum.) 8 Close the front cover. 9 Lift up and remove the white duct.

Replacing Spot Color kits (C941/ES9541/Pro9541 only) 10 Remove the duct for the Spot Color clear kit to be mounted from its box. 11 Open the front cover. 12 Mount the clear duct to the printer. 13 Close the front cover.

Replacing Spot Color kits (C941/ES9541/Pro9541 only) 14 Remove the clear drum to be mounted from its bag. Note z z Be careful not to touch or scratch the image drum (green cylinder). 15 Remove the stopper (orange). 16 Align the (red) arrows on the image drum and printer, and insert gently into the slot while taking care not to touch the (green) light sensor on the underside with your hands, and then push in firmly as far as it will go. Note z z Be careful not to touch or scratch the image drum (green cylinder). 17 Close the front cover.

Replacing Spot Color kits (C941/ES9541/Pro9541 only) 18 Remove the clear toner to be mounted from its bag. 19 Shake the toner cartridge up and down, and side to side. Note z z Do not drop the toner cartridge or tap it against the floor. Doing so may damage the cartridge. 20 Open the toner replacement cover. 21 Check the position of the slot, and firmly push in the clear toner as far as it will go. 22 Close the toner replacement cover.

Replacing Spot Color kits (C941/ES9541/Pro9541 only) 23 Place the removed white toner, white duct, and white image drum in the bag before placing the bag in the box for storage. 24 Turn ON (I) the main power switch. 25 Press and hold the power switch for approx. 1s. 26 Press the [OK] button. Memo z z Run a test print and check that [Admin Setup] > [Color Setup] > [Spot Color] is set to the same details as the installed toner. For how to conduct a test print, see “Test Printing Using the Printer Only" in the User's Manual (Basic).

4-11-22 Shibaura, Minato-ku,Tokyo 108-8551, Japan August 2015 45602302EE Rev6