3
UF-5500 / 4500
10.1.9. Service Mode 9 (System Maintenance)------ 122
11 Troubleshooting Guide
--------------------------------------
11.1. Starting Troubleshooting------------------------------ 124
11.1.1. Outline ------------------------------------------------ 124
11.1.2. Improper LCD Display ---------------------------- 125
11.2. Troubleshooting Details ------------------------------- 126
11.2.1. Initialization------------------------------------------ 126
11.2.2. Simplified Troubleshooting Guide ------------- 127
11.2.3. Safety Error Information Troubleshooting
Guide ------------------------------------------------- 130
11.2.4. Print --------------------------------------------------- 136
11.2.5. Recording Paper Feed --------------------------- 143
11.2.6. ADF (Auto Document Feeder) Section------- 148
11.2.7. Communications ----------------------------------- 154
11.2.8. Information Codes Table (For Facsimile) ---- 157
11.2.9. Diagnostic Codes (For Facsimile) ------------- 161
11.2.10. Analog Section ------------------------------------- 168
11.2.11. Operation Panel Section ------------------------- 171
11.2.12. Sensor Section ------------------------------------- 171
11.2.13. Motor Section --------------------------------------- 174
11.2.14. LSU Section----------------------------------------- 176
11.2.15. CIS Control Section ------------------------------- 177
11.2.16. High Voltage Value Check Point --------------- 179
11.2.17. High Voltage Section------------------------------ 181
11.2.18. USB Section (UF-5500 only)-------------------- 186
11.2.19. LAN SECTION (UF-5500 only)----------------- 190
11.2.20. Main Board Section ------------------------------- 195
11.2.21. Power Supply Board Section ------------------- 198
11.3. Information Codes (INFO. CODES) --------------- 200
11.3.1. Information Codes: 400, 420-------------------- 202
11.3.2. Information Codes: 401, 402, 422 ------------- 203
11.3.3. Information Codes: 404, 405, 407 ------------- 204
11.3.4. Information Code: 416---------------------------- 205
11.3.5. Information Codes: 408, 409, 417, 418,
490 ---------------------------------------------------- 206
11.3.6. Information Code: 434---------------------------- 207
11.3.7. Information Codes: 459, 494, 495 ------------- 208
11.3.8. Information Codes: 001, 007 (Recording
Paper Jam) ------------------------------------------ 209
11.3.9. Information Codes: 030, 031 (Document
Jam)--------------------------------------------------- 210
11.3.10. Information Code: 630 (Dialing Error) -------- 210
11.3.11. Information Codes: 403, 411, 414, 415
(Polling Operator Trouble) ----------------------- 211
11.4. Clearing a Document Jam---------------------------- 212
11.5. Clearing a Recording Paper Jam------------------- 213
11.5.1. When the recording paper is not fed into
the unit properly ------------------------------------ 214
11.6. Cleaning the Document Scanning Area ---------- 214
12 Disassembly and Assembly Instructions
-------------
12.1. ADF Section --------------------------------------------- 216
12.2. Remove ADF Section(1)------------------------------ 217
12.3. Remove Pickup-Roller-Cover Unit ----------------- 218
12.4. Remove Doc-Conveyer Unit ------------------------- 220
12.5. Remove ADF Section(2)------------------------------ 221
12.6. Operation Panel Unit ---------------------------------- 222
12.7. Remove Fuser Unit ------------------------------------ 223
12.8. Bottom Section ------------------------------------------ 224
12.9. Left Side Section---------------------------------------- 224
12.10. Remove Main Board ----------------------------------- 225
12.11. Remove Gear Chassis Section --------------------- 226
12.12. Remove Right Cover ---------------------------------- 227
12.13. Remove Right Cassette Guide --------------------- 227
12.14. Remove Bottom Plate--------------------------------- 228
12.15. Remove Laser Unit ------------------------------------ 228
12.16. Remove Pickup Roller -------------------------------- 229
12.17. Remove Low Voltage Power Board --------------- 230
12.18. Remove Mirror ------------------------------------------ 230
12.19. Remove High Voltage Power Board--------------- 231
12.20. Installation Position of The Lead ------------------- 232
12.20.1. Left Side Section(1)------------------------------- 232
12.20.2. Left Side Section(2)------------------------------- 233
12.20.3. Right Side Section -------------------------------- 234
12.20.4. Bottom Part Section (1)-------------------------- 235
12.20.5. Bottom Part Section (2)-------------------------- 236
13 Maintenance
----------------------------------------------------
13.1. Maintenance Items and Component Locations- 237
13.1.1. Outline ----------------------------------------------- 237
13.1.2. Maintenance Check Items/Component
Locations -------------------------------------------- 237
13.2. Printing Operation Principle ------------------------- 239
13.2.1. Process Chart and Process BIAS------------- 239
13.2.2. CHARGING----------------------------------------- 239
13.2.3. Exposing--------------------------------------------- 240
13.2.4. Developing and Transcription ------------------ 241
13.2.5. Cleaning of Transfer Roller --------------------- 242
13.2.6. Fixing ------------------------------------------------- 243
13.3. How to Replace the Flat Package IC ------------- 244
13.3.1. Preparation------------------------------------------ 244
13.3.2. Flat Package IC Removal Procedure -------- 244
13.3.3. Flat Package IC Installation Procedure------ 245
13.3.4. Bridge Modification Procedure----------------- 245
13.4. Main Board Section------------------------------------ 246
13.4.1. NG Example ---------------------------------------- 247
13.5. Test Chart ------------------------------------------------ 248
13.5.1. ITU-T No.1 Test Chart---------------------------- 248
13.5.2. ITU-T No.2 Test Chart---------------------------- 249
13.6. Updating the Firmware ------------------------------- 250
13.6.1. Updating the Firmware using a PC via the
USB Port -------------------------------------------- 250
13.6.2. Updating through a LAN Port (UF-5500
only) -------------------------------------------------- 250
13.6.3. Firmware Version---------------------------------- 251
13.6.4. Firmware Emergency Recovery with the
USB Port -------------------------------------------- 251
14 Schematic Diagram
------------------------------------------
14.1. For Schematic Diagram ------------------------------ 252
14.2. Main Board (UF-5500) -------------------------------- 253
14.2.1. Main Board (1) ------------------------------------- 253
14.2.2. Main Board (2) ------------------------------------- 256
14.2.3. Main Board (3) ------------------------------------- 258
14.2.4. Main Board (4) ------------------------------------- 260
14.3. Main Board (UF-4500) -------------------------------- 262
14.3.1. Main Board (1) ------------------------------------- 262
14.3.2. Main Board (2) ------------------------------------- 265
14.3.3. Main Board (3) ------------------------------------- 267
14.3.4. Main Board (4) ------------------------------------- 269
14.4. Operation Board (UF-5500) ------------------------- 271
14.5. Operation Board (UF-4500) ------------------------- 272
14.6. Sensor Board (UF-5500) ----------------------------- 273
14.7. Sensor Board (UF-4500) ----------------------------- 274
14.8. High Voltage Power Supply Board----------------- 275
Summary of Contents for UF-4500
Page 180: ...180 UF 5500 4500 ...
Page 248: ...248 UF 5500 4500 13 5 Test Chart 13 5 1 ITU T No 1 Test Chart ...
Page 249: ...249 UF 5500 4500 13 5 2 ITU T No 2 Test Chart ...
Page 281: ...281 UF 5500 4500 10 10 11 15 12 17 18 19 20 21 22 23 24 28 29 30 27 25 26 21 13 14 16 30 ...
Page 287: ...287 UF 5500 4500 130 131 132 133 134 135 136 137 138 139 140 141 PCB2 A UF 5500 only CN1 ...
Page 297: ...297 UF 5500 4500 ...
Page 305: ...305 UF 5500 4500 ...
Page 311: ...311 UF 5500 4500 501 502 503 504 506 507 505 508 509 511 510 514 513 512 P51 P53 P54 A51 P52 ...
Page 362: ...362 UF 5500 4500 ...