Oki OKIOFFICE84 Maintenance Manual page 5

4.3.9 High-Voltage Power Supply Unit (HV-P2H) ............................................................ 4-17
4.3.10 Holder Assembly ..................................................................................................... 4-18
4.3.11 Plate Side M and Gear-Idle ..................................................................................... 4-19
4.3.12 Registration Roller .................................................................................................. 4-20
4.3.13 Drive Shaft E (Eject) and Eject Roller ..................................................................... 4-21
4.3.14 Heat Assembly ........................................................................................................ 4-22
4.3.15 Pressure Roller B (Back Up Roller) ........................................................................ 4-23
4.3.16 Hopping Shaft Assembly ......................................................................................... 4-24
4.3.17 Paper Sensor E, Paper Sensor Exit and Toner Sensor Assembly ......................... 4-25
4.3.18 Printer Unit .............................................................................................................. 4-26
CHAPTER 5 ADJUSTMENTS
5.1 Setting of LED Print Head Drive Time ................................................................................. 5-1
5.2.1 Confirmation Items ............................................................................................................... 5-2
5.2.2 Measurement ....................................................................................................................... 5-3
CHAPTER 6 CLEANING AND MAINTENANCE
6.1 Replacement of Consumable ............................................................................................... 6-1
6.2 Routine Inspection ............................................................................................................... 6-3
6.3 Printer Counter Display/Clear .............................................................................................. 6-5
6.4 Printer Counter Display/Clear .............................................................................................. 6-7
6.5 Self-diagnosis Test .............................................................................................................. 6-8
6.6 Sensor Calibration Test ....................................................................................................... 6-11
6.7 LED Test .............................................................................................................................. 6-13
6.8 Tone Send Test ................................................................................................................... 6-14
6.9 High-speed Modem Send Test ............................................................................................ 6-15
6.10 High-speed Modem Receive Test ........................................................................................ 6-17
6.11 MF Send Test ...................................................................................................................... 6-18
6.12 Tone (TEL/FAX) ................................................................................................................... 6-19
6.13 Protocol Dump Data Printing ............................................................................................... 6-20
6.14 System Reset ....................................................................................................................... 6-24
6.15 Service Code ....................................................................................................................... 6-25
CHAPTER 7 TROUBLESHOOTING AND REPAIR FOR OKIOFFICE84/OKIFAX
4500
7.1 Overall Troubleshooting Flow Chart .................................................................................... 7-2
7.2 No LCD Operation ............................................................................................................... 7-3
7.3 Alarm LED On ...................................................................................................................... 7-4
7.4 Printing Test Failure ............................................................................................................. 7-5
7.5 No Local Copy ..................................................................................................................... 7-6
7.6 Auto Dial Failure .................................................................................................................. 7-7
7.7 Transmission Problem ......................................................................................................... 7-8
7.8 Auto Reception Failure ........................................................................................................ 7-10
7.9 Reception Problem .............................................................................................................. 7-11
7.10 Sensor Calibration Test ....................................................................................................... 7-13
7.11 LED Test .............................................................................................................................. 7-14
7.12 Tone Send Test ................................................................................................................... 7-15
7.13 High-speed Modem Test ...................................................................................................... 7-16
7.14 MF Send Test ...................................................................................................................... 7-18
7.15 Tone (TEL/FAX) Send Test ................................................................................................. 7-19
7.16 No Acoustic Line Monitor ..................................................................................................... 7-20
7.17 Power Supply Unit ............................................................................................................... 7-21
7.18 No Document Feeding ......................................................................................................... 7-22
7.19 Multiple Document Feeding ................................................................................................. 7-23
7.20 Document Skew ................................................................................................................... 7-24
7.21 Document Jam ..................................................................................................................... 7-26
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