41309401TH Rev.4
5 /
4.3.16 Hopping Shaft Assembly ......................................................................................... 175
4.3.17 Paper Sensor E, Paper Sensor Exit and Toner Sensor Assembly ......................... 176
4.3.18 Printer Unit .............................................................................................................. 177
5. ADJUSTMENTS .................................................................................................. 178
5.1
Setting of LED Print Head Drive Time ................................................................................. 178
5.2.1
Confirmation Items .................................................................................................. 179
5.2.2
Measurement .......................................................................................................... 180
6. CLEANING AND MAINTENANCE ...................................................................... 182
6.1
Replacement of Consumable ............................................................................................... 182
6.2
Routine Inspection ............................................................................................................... 184
6.3
Printer Counter Display/Clear .............................................................................................. 186
6.4
Printer Counter Display/Clear .............................................................................................. 188
6.5
Local Test ............................................................................................................................ 189
6.5.1
When G4 option board is not installed. ................................................................... 189
6.5.2
When G4 option baord is installed. ......................................................................... 190
6.6
Self-diagnosis Test .............................................................................................................. 191
6.6.1
Self Diagnosis Report ............................................................................................. 192
6.7
Sensor Calibration Test ....................................................................................................... 194
6.8
LEDs Test ............................................................................................................................ 196
6.9
Tone Send Test ................................................................................................................... 197
6.10 High-speed Modem Send Test ............................................................................................ 198
6.11 High-speed Modem Receive Test ........................................................................................ 200
6.12 MF Send Test ...................................................................................................................... 201
6.13 Tone (TEL/FAX) ................................................................................................................... 202
6.14 Protocol Dump Data Printing ............................................................................................... 203
6.14.1 G3 Protocol Dump .................................................................................................. 204
6.14.2 Analysis from the data ............................................................................................ 207
6.14.3 FCF (Facsimile Control Field) conversion table ...................................................... 208
6.14.4 G4 Protocol Dump .................................................................................................. 209
6.15 System Reset ....................................................................................................................... 212
6.16 Service Codes ...................................................................................................................... 213
6.16.1 G3 Service Code List .............................................................................................. 214
6.16.2 G4 Service Code Lists ............................................................................................ 217
7. TROUBLESHOOTING AND REPAIR FOR OKIFAX4550/OKIOFFICE87 .......... 220
7.1
Overall Troubleshooting Flow Chart .................................................................................... 222
7.2
No LCD Operation ............................................................................................................... 223
7.3
Alarm LED On ...................................................................................................................... 224
7.4
Printing Test Failure ............................................................................................................. 225
7.5
No Local Copy ..................................................................................................................... 226
7.6
Auto Dial Failure .................................................................................................................. 227
7.7
Transmission Problem ......................................................................................................... 228
7.8
Auto Reception Failure ........................................................................................................ 229
7.9
Reception Problem .............................................................................................................. 230
7.10 Sensor Calibration Test ....................................................................................................... 231
7.11 LED Test .............................................................................................................................. 232
7.12 Tone Send Test ................................................................................................................... 233
7.13 High-speed Modem Test ...................................................................................................... 234
7.14 MF Send Test ...................................................................................................................... 236
7.15 Tone (TEL/FAX) Send Test ................................................................................................. 237
7.16 No Acoustic Line Monitor ..................................................................................................... 238
7.17 Power Supply Unit ............................................................................................................... 239
7.18 No Document Feeding ......................................................................................................... 239
7.19 Multiple Document Feeding ................................................................................................. 240
7.20 Document Skew ................................................................................................................... 241
7.21 Document Jam ..................................................................................................................... 243
7.22 Printer Unit ........................................................................................................................... 244
7.22.1 Precautions ............................................................................................................. 244
7.22.2 Troubleshooting Flow Charts of Printer Unit ........................................................... 245
Summary of Contents for OKIFAX4550
Page 156: ...41309401TH Rev 4 156 Figure 4 2 Appearance of the OKIFAX4550 OKIOFFICE87...
Page 428: ...41309401TH Rev 4 428 SECTION 1 CABINET ASSEMBLY OKIFAX4550 OKIOFFICE87...
Page 431: ...41309401TH Rev 4 431 SECTION 2 UNIT PRINTER...
Page 433: ...41309401TH Rev 4 433 SECTION 3 UNIT 051 OPE PANEL...
Page 435: ...41309401TH Rev 4 435 SECTION 4 OPEPANEL OPERATION PANEL ASSEMBLY...
Page 437: ...41309401TH Rev 4 437 SECTION 5 FRAME ASSEMBLY SCANNER L...
Page 439: ...41309401TH Rev 4 439 SECTION 6 PLATE ASSEMBLY SCANNER B...
Page 441: ...41309401TH Rev 4 441 SECTION 7 PLATE ASSEMBLY SCANNER R...
Page 443: ...41309401TH Rev 4 443 SECTION 8 FRAME ASSEMBLY SCANNER U...
Page 445: ...41309401TH Rev 4 445 SECTION 9 COVER ASSEMBLY TOP...
Page 447: ...41309401TH Rev 4 447 SECTION 10 PLATE ASSEMBLY BASE...
Page 449: ...41309401TH Rev 4 449 SECTION 11 PRINTER BASE FRAME UNIT Heat assy...
Page 452: ...41309401TH Rev 4 452 SECTION 12 PRINTER HEAT ASSY...
Page 454: ...41309401TH Rev 4 454 SECTION 13 CABLES...
Page 457: ...41309401TH Rev 4 457 46F PCB Assy 1 9 41196601...
Page 466: ...41309401TH Rev 4 466 R46 PCB Assy 1 10 41033201...
Page 476: ...41309401TH Rev 4 476 04W PCB Assy 1 3 40071401...
Page 479: ...41309401TH Rev 4 479 EN9 PCB Assy 1 6 41144301...
Page 485: ...41309401TH Rev 4 485 INU PCB Assy 41144501 US 1 4 41144502 INT 1 5...
Page 493: ...41309401TH Rev 4 493 MPW1546 120V PCB Assy 1 5 SIPS1303...
Page 498: ...41309401TH Rev 4 498 MPW1446 230V PCB Assy 1 6 SIPS1302...
Page 504: ...41309401TH Rev 4 504 P2H PCB Assy 1 4 40599101...
Page 508: ...41309401TH Rev 4 508 P6L PCB Assy 1 3 40386701...
Page 511: ...41309401TH Rev 4 511 G4N PCB Assy 1 5 41033701...
Page 585: ...41309401TH Rev 4 585 Figure H 7 1 2 RTC Time Read Figure H 7 2 2 RTC Time Set...
Page 587: ...41309401TH Rev 4 587 Figure H 9 Figure H 10 1 3...
Page 588: ...41309401TH Rev 4 588 Figure H 10 2 3 Figure H 10 3 3...
Page 589: ...41309401TH Rev 4 589 Figure H 11 1 3 Figure H 11 2 3...
Page 590: ...41309401TH Rev 4 590 Figure H 12 Figure H 11 3 3...
Page 591: ...41309401TH Rev 4 591 Figure H 13 1 2 Figure H 13 2 2...
Page 592: ...41309401TH Rev 3 592 592 Figure H 14 1 2 Figure H 14 2 2...
