Sharp ER-A320 Service Manual

PRINTER : CR-812A (For "U" version) CHAPTER 1. SPECIFICATIONS ....................................................................... 1 CHAPTER 2. OPTIONS..................................................................................... 4 CHAPTER 3. SRV. RESET AND MASTER RESET.......................................... 5 CHAPTER 4. HARDWARE DESCRIPTION ...................................................... 5 CHAPTER 5. TEST FUNCTION ...................................................................... 10 CHAPTER 6. CIRCUIT DIAGRAM & PWB LAYOUT ...................................... 13 PARTS GUIDE CONTENTS Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set. SHARP CORPORATION This document has been published to be used for after sales service only. The contents are subject to change without notice. SERVICE MANUAL

1. Appearance/Rating 1) Appearance 2) Rating Power source 120V AC m 10%, 60 Hz Power consumption Stand-by: 9W Operating: 35W (Max.) Operating temperature 32°F to 104°F (0°C to 40°C) Operating humidity 10% to 90% (RH) Physical dimensions including the drawer 420 (W) x 423 (D) x 304 (H) mm (16.5 (W) x 16.7 (D) x 12.0 (H) in.) Weight 13.0 kg (28.7 lbs.) 2. Keyboard 1) Standard keyboard layout 2) Key top name Standard key top KEY TOP DESCRIPTION RECEIPT Receipt paper feed key JOURNAL Journal paper feed key 0~9, 00 Numeric keys . Decimal point key @/FOR Multiplication key CL/C Clear key PRINT Validation print key Dept.1/+ Department 1/ Plus key (Calc. mode) Dept.2/– Department 2/ Minus key (Calc. mode) Dept.3/u Department 3/ Multiplication key (Calc. mode) Dept.4/v Department 4/ Division key (Calc. mode) Dept.5~10 Department 5~10 keys PLU/SUB PLU/Subdepartment key RCPT Receipt print key - Discount key AUTO Automatic sequencing key % Percent key NS No-sale key Journal paper Printer cover Receipt paper Drawer lock Drawer Customer display (Pop-up type) Operator display Mode switch Keyboard RCPT PRINT PO % CL @ FOR RFND VOID 9 8 7 6 5 4 3 2 1 0 00 • C Receipt Journal + - X 1 3 5 10 9 8 7 6 PLU/SUB NS TAX1 SHIFT AUTO CH CONV MDSE SBTL CHK #/TM/SBTL CA/AT = RA CAL RM 4 2

Recall memory key (Calc. mode) PO/CAL Paid out/Calculation mode key RFND Refund key VOID Void key CH Charge key CHK Check key CONV Conversion key MDSE SBTL Merchandise subtotal key #/TM/SBTL Non-add code/Time display/Subtotal key CA/AT/= Cash/Amount tendered/ Equals key (Calc. mode) TAX1 SHIFT TAX1 shift key Optional key top KEY TOP DESCRIPTION Dept. 11~40 Department 11~40 keys DEPT# Department number entry key TAX2 SHIFT~TAX4 SHIFT Tax2~Tax4 shift keys AUTO2 Automatic sequencing 2 key CONV2~4 Conversion 2~4 keys CA2 Cash total 2 key CH2 Charge 2 key - 2 Discount 2 key %2 Percent 2 key 3. Display 1) Operator display DISPLAY DEVICE LED NUMBER OF LINE 1 line NUMBER OF POSITIONS 10 positions COLOR OF DISPLAY Green CHARACTER SIZE 14.2mm (H) x 8.0mm (H) 2) Customer display (Pop-up type) DISPLAY DEVICE LED NUMBER OF LINE 1 line NUMBER OF POSITIONS 7 positions COLOR OF DISPLAY Green CHARACTER SIZE 14.2mm (H) x 8.0mm (H) 3) Lamps DESCRIPTION AMOUNT 1~8 MINUS SIGN 2~10 : Floating ERROR 10 PGM MODE 10 CA/AT CH CHK 10 : Lights up when a registration is finalized by depressing CA/AT, CH or CHK key SUBTOTAL/ SHORT TENDER 10 CHANGE 10 : Lights up whenever the change due amount appears in the display. DEPARTMENT 9~10 No zero-suppressed. PLU 8~10 No zero-suppressed. REPEAT 8 Endless count, starting from 2. DECIMAL POINT 5~1 TAB (4~2) RECEIPT OFF 9 — VALIDATION 10 : Light up when the validation printing is compulsory. CONVERSION or CALC. MODE 10 DEPT REPEAT PLU/SUB RCPT OFF : This appears when a transaction is finalized. : This appears when the cash register computes the subtotal. : This appears when the change due amount is displayed. : This appears when for the calculator mode.

ITEMS Model name CR-812A No. of station 2 (Receipt/Journal) Printing system Print wheel selective type Printing capacity Receipt : Max. 10 chr. Journal : Max. 10 chr. Validation : Max. 20 chr./1 line Character size Figure : 1.7mm (W) x 3.2mm (H) Symbol : 2.4mm (W) x 3.2mm (H) Print pitch Column distance : 3.35mm for between 1st and 2nd column 3.0mm for after 3rd column Row distance : 5.1mm Print speed Approx. 2.5 lines/sec. Paper feed speed Approx. 17 lines/sec. at receipt issued. Reliability MCBF 2.5 million lines Validation form sensor No Near end sensor Journal side: No Receipt side: No Cutter Manual Print wheel layout Parts code: 00BM731002300 2) Roll paper Parts code DPAPR1006CSZZ Dimension 44.5m 0.5mm in width Max. 80mm in diameter Paper quality Journal/Receipt Fine quality paper Paper thickness : 0.06 to 0.09 mm Paper weight : 52.3 to 64g/m2 Validation form Normal paper only Thickness : 0.08 to 0.19 mm Size : 115mm or more, 210mm or under (W) x 70mm or more (H) 3) Validation paper Paper quality Normal paper and pressure sensitive paper only Thickness : 0.07 to 0.14 mm Size : 115 mm or more (W) x 70 mm or more (H) Printing area 4) Inking Parts code NROLR6638RCZZ Ink supply system Ink roller Form Roller Specification Material-rubber Roller life Approx. 0.6 million lines Print color Purple 5) Logo stamp Material Porous rubber Size 30mm (W) x 20mm (H) Color Purple Parts code for ink UINK1001CCZZ 5. Drawer 1) Drawer box and drawer Model name SK423 Size 420(W) x 423(D) x 112(H) mm Color Gray 368 Material Metal Bell — Release lever Standard equipment; Situated at the bottom Drawer open sensor Standard equipment PL - 0 1 2 3 4 5 6 7 8 9 ½ @ Z - 0 1 2 3 4 5 6 7 8 9 TX - 0 1 2 3 4 5 6 7 8 9 . - 0 1 2 3 4 5 6 7 8 9 . - 0 1 2 3 4 5 6 7 8 9 . - 0 1 2 3 4 5 6 7 8 9 . - 0 1 2 3 4 5 6 7 8 9 GT 0 1 2 3 4 5 6 7 8 9 CA RA PO VD NS TX FS X EX RF TD 1 2 3 4 5 6 ST TL Q CG CK CH # % 10 1 9 8 7 6 5 4 3 2 19.1 16.6 29.4 29.4 10Dig. 10Dig. Wide over 115mm 16

Separation from the drawer Allowed Separation of the coin compartments from the money case Disallowed Bill separator — Number of compartments 5B/5C 3) Lock Location of the lock Front Method of locking and unlocking Locking : lnsert the drawer lock key into the lock and turn it 90 degrees counterclockwise. Unlocking : lnsert the drawer lock key into the lock and turn it 90 degrees clockwise. Key No. SK1-1 CHAPTER 2. OPTIONS 1. Sales options No. NAME MODEL DESCRIPTIONS 1 COIN CASE ER-55CC2 5B/5C (For "U" version) 2 KEY TOP KIT ER-11KT7 1 x 1 key top ER-12KT7 1 x 2 key top ER-22KT7 2 x 2 key top ER-11DK7G 1 x 1 dummy key ER-51DK7G 5 x 1 dummy key 2. Service options No. NAME PARTS CODE PRICE RANK DESCRIPTIONS 1 SRV KEY AK 2 MODE KEYGRIP COVER AL OP key only 3 DRIP-PROOF KEYBOARD COVER BE 3. Supplies No. NAME PARTS CODE PRICE RANK DESCRIPTIONS 1 ROLL PAPER AR 2 INK ROLLER AY 3 INK FOR STAMP AK 5B/5C Bill compartments Coin compartments