-
Digital Laser MFP
1
-
This service manual is also provided on the web,
2
-
This manual is stated and
3
-
1-2 ESD Precautions
8
-
1-4 Tools for Troubleshooting
9
-
2-2 Printer Specifications (SF-835P Only)
11
-
2-4 Scanner Specification
12
-
2-6 Telephone Specification
13
-
Disassembly and Reassembly
14
-
4. Maintenance & Troubleshooting
38
-
4-2 Error Messages
39
-
When the machine detected the duplex jam in the
40
-
4-3 User Mode
41
-
4-4 Tech Mode
42
-
4-4-2 Setting-up System in Tech Mode (
43
-
4-4-3 SYSTEM DATA
44
-
It shows the result of the last send operation.
48
-
4-4-7 Firmware Upgrade
49
-
4-5 Identify Sale Date
50
-
4-6 ENGINE TEST MODE
51
-
4-7-1 Print Quality
52
-
1. High voltage output is normal?
53
-
Abnormal Image Printing and Defective Roller
54
-
Check connection to
55
-
Transfer roller might be out of its location
56
-
All black in
57
-
Dirt of dust stuck onto the
58
-
Normal and test
59
-
charge and developing
60
-
Is it regular
61
-
band has regular
63
-
taking out and
64
-
OHP film used?
66
-
completed, any error
67
-
1. Check power is supplying
68
-
Jam 2 at
69
-
Plug in the
70
-
Less than 10W?
71
-
solenoid on when starts
72
-
Check the LSU and
73
-
(Main B'D to
74
-
4-7-3 Toner Cartridge and Drum Cartridge Service
75
-
White Black spot
77
-
Ghost & Image
78
-
4-7-4-3 Abnormal Printing
80
-
Exploded Views and Parts List
81
-
6. Block Diagrams
118
-
7. Connection Diagrams
119
-
Dual Line Circuit Description
120
-
1. Block Diagram
126
-
Samsung Electronics Digital Printing
128
-
2. Connection Diagram
130
-
3. Circuit Description
131
-
3-2 Circuit Operation
132
-
3-2-3 RISC MICROPROCESSOR
133
-
3.3 V Gnd
134
-
Analog Positve Reference
135
-
DMA Request1/Uart 2 RxD
136
-
DRAM Cas Strobe 3
137
-
DRAM Data Bus 13
138
-
DRAM Address Bus 4
139
-
Address Bus 9 for ROM
140
-
3-2-4 PROGRAM ROM (FLASH MEMORY) CONTROL
141
-
3-2-5 DRAM CONTROL
142
-
3-2-5-1 Fpm DRAM reading Timing
143
-
3-2-5-2 fpm DRAM write timing
144
-
3-2-5-3 EDO DRAM read timing
145
-
3-2-5-4 edo DRAM write timing
146
-
3-2-6 FS781 (FREQUENCY ATTENUATOR)
147
-
3-2-10 PM-22 (JBIG COMPRESS & DECOMPRESS)
148
-
3-2-10-3 Electrical Specifications
150
-
3-2-10-4 Pin Classification and Loading
151
-
• I :
152
-
3-3-2 KEY FEATURES
154
-
Intelligent scan motor controller
155
-
A/ D converter
156
-
3-4 HOST INTERFACE:
157
-
PPD( 7: 0)
158
-
3-4-2 USB INTERFACE
159
-
3-5 Engine Controller
161
-
3-5-4. FAN/SOLENOID ACTUATION CIRCUIT
162
-
DIRECTION OF PAPER
163
-
3-5-7-4 MHV (Electrification Output Enable)
165
-
3-5-7-6. THV(THV(+)/THV(-) Output Unit)
166
-
3-5-7-7. Environment Recognition
167
-
3-6 OPE PBA
168
-
3-7 LIU PBA
169
-
3-7-5. RING DETECTION PART
170
-
3-8-2 AC INPUT STAGE
171
-
3-8-4-2. The Concept of Fixed Lamp Control
172
-
4. Schematic Diagrams
173
-
Main Circuit Diagram (2/17)
174
-
Main Circuit Diagram (3/17)
175
-
Main Circuit Diagram (4/17)
176
-
Main Circuit Diagram (5/17)
177
-
Main Circuit Diagram (6/17)
178
-
Main Circuit Diagram (7/17)
179
-
Main Circuit Diagram (8/17)
180
-
Main Circuit Diagram (9/17)
181
-
Main Circuit Diagram (10/17)
182
-
Main Circuit Diagram (11/17)
183
-
Main Circuit Diagram (12/17)
184
-
Main Circuit Diagram (13/17)
185
-
Main Circuit Diagram (14/17)
186
-
Main Circuit Diagram (15/17)
187
-
Main Circuit Diagram (16/17)
188
-
Main Circuit Diagram (17/17)
189
-
4-2 LIU Circuit Diagram
190
-
4-3 OPE Circuit Diagram
191
-
4-4 Scan Circuit Diagram
192
-
4-5 Sensor Circuit Diagram
193
-
4-6 HVPS Circuit Diagram(1/2)
194
-
HVPS Circuit Diagram(2/2)
195
-
4-7 SMPS Circuit Diagram(110V)
196
-
SMPS Circuit Diagram(220V)
197
-
4-8 PTL Circuit Diagram
198
-
4-10 Toner_Rx Circuit Diagram
199
-
4-11 Toner_Tx Circuit Diagram
200
