Oki B4100 - Manual (Page 4)

40055101TH Rev.4 4 /
4.1.3.11 Holder Assembly ................................................................................................... 172
4.1.3.12 Plate-Side M and Gear-Idle ................................................................................... 173
4.1.3.13 Registration Roller ................................................................................................ 174
4.1.3.14 Drive Shaft E (Eject) and Eject Roller .................................................................. 175
4.1.3.15 Heat Assembly ...................................................................................................... 176
4.1.3.16 Pressure Roller B (Back Up Roller) ...................................................................... 177
4.1.3.17 Hopping Shaft Assembly ...................................................................................... 178
4.1.3.18 Paper Sensor E, Paper Sensor Exit and Toner Sensor Assembly ......................... 179
4.1.3.19 Printer Unit ............................................................................................................ 180
4-2.MECHANICAL DISASSEMBLY AND REASSEMBLY
FOR OKIFAX 5100 SERIES ................................................................................ 181
4.2 General ................................................................................................................................................ 181
4.2.1
Precautions for Parts Replacement ....................................................................................... 181
4.2.2 Tools ...................................................................................................................................... 182
4.2.3 How to Disassemble and Reassemble ................................................................................... 182
4.2.3.1 LED Print Head ....................................................................................................... 185
4.2.3.2 ID Unit, Rear Cover, NCU Cover, Main Cover, Separation Plate, NCU Board,
Modem Board ......................................................................................................... 186
4.2.3.3 Control Panel Assembly, Paper Guide (U) Assembly. ........................................... 188
4.2.3.4 Sub-roller, ADF Roller Assembly, Pinch Roller, Contact Image Sensor, Document
Detectors (PC1 and PC2). ....................................................................................... 190
4.2.3.5 Resist Motor, Drum Motor, Release Guide Assembly, Manual Guide Assembly,
Stacker Cover, Fusing Unit ..................................................................................... 192
4.2.3.6 Lower Base, Motor Assembly, Back-up Roller, Transfer Roller ........................... 194
4.2.3.7 Resist Roller, Hopping Roller, Sensor Plates ......................................................... 196
4.2.3.8 MCNT Board, Power Supply Unit, Contact Assembly, Transformer, Sub-PSU ... 198
5.ADJUSTMENTS ...................................................................................................... 199
5.1 Setting of LED Print Head Drive Time ............................................................................................... 199
5.2.1
OKIOFFICE44/OKIFAX 4100 Confirmation Items ............................................................ 200
5.2.2 OKIOFFICE44/OKIFAX 4100 Measurement ...................................................................... 201
5.3.1 OKIFAX 5000 Series Confirmation Items ........................................................................... 202
5.3.2 OKIFAX 5000 Series Measurement ..................................................................................... 203
6.CLEANING AND MAINTENANCE ...........................................................................205
6.1 Replacement of Consumable Parts ...................................................................................................... 205
6.2 Routine Inspection ............................................................................................................................... 208
6.2.1
Routine inspection for OKIOFFICE44/OKIFAX 4100 ........................................................ 208
6.2.2 Routine inspection for OKIFAX 5000 series ........................................................................ 210
6.3 Printer Counter Display/Clear ............................................................................................................. 212
6.4 Printer Counter Display/Clear ............................................................................................................. 213
6.5 Self-diagnosis Test .............................................................................................................................. 214
6.6 Sensor Calibration Test ....................................................................................................................... 218
6.7 LED Test ............................................................................................................................................. 220
6.8 Tone Send Test .................................................................................................................................... 221
6.9 High-speed Modem Send Test ............................................................................................................ 222
6.10 High-speed Modem Receive Test ....................................................................................................... 224
6.11 MF Send Test ...................................................................................................................................... 225
6.12 Tone (TEL/FAX) ................................................................................................................................. 226
6.13 Protocol Dump Data Printing .............................................................................................................. 227
6.14 System Reset ....................................................................................................................................... 231
6.15 Service Code ........................................................................................................................................ 232
7-1.TROUBLESHOOTING AND REPAIR FOR OKIOFFICE44/OKIFAX 4100 .......... 235
7.1.1 Overall Troubleshooting Flow Chart ................................................................................................... 237
7.1.2 No LCD Operation .............................................................................................................................. 238
7.1.3 ALARM LED On ................................................................................................................................ 239
7.1.4 Printing Test Failure ............................................................................................................................ 240
7.1.5 No Local Copy .................................................................................................................................... 241
7.1.6 Auto Dial Failure ................................................................................................................................. 242
7.1.7 Transmission Problem ......................................................................................................................... 243
7.1.8 Auto Reception Failure ........................................................................................................................ 245
7.1.9 Reception Problem .............................................................................................................................. 246
7.1.10 Sensor Calibration Test ....................................................................................................................... 248
7.1.11 LED Test ............................................................................................................................................. 249