Oki OKIFAX 5950 Series Maintenance Manual page 6

4.3.13 Contact Assembly and High-/Low-voltage Power Supply Boards .......................... 15
4.3.14 Disassembling the Operation Unit ......................................................................... 16
4.3.14.1 Disassembling the Operation Unit ......................................................................... 18
4.3.15 Disassembling the Scanner Unit (L) ...................................................................... 19
4.3.16 Scanner (CIS) ....................................................................................................... 20
4.3.17 PC1/PC2 Sensors ................................................................................................. 20
4.3.18 Speaker ................................................................................................................. 21
4.3.19 Scanner Motor ...................................................................................................... 22
4.3.20 Disassembling the Printer Unit .............................................................................. 23
4.3.21 LED Head ............................................................................................................. 24
4.3.22 ID/Toner Lockout Board ........................................................................................ 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 ......................................................................................... 6-14
6.7 LEDs Test .............................................................................................................. 6-15
6.8 Tone Send Test ..................................................................................................... 6-16
6.9 High-speed Modem Send Test .............................................................................. 6-17
6.10 High-speed Modem Receive Test ......................................................................... 6-18
6.11 MF Tone Send Test ............................................................................................... 6-19
6.12 Tone (TEL/FAX) .................................................................................................... 6-20
6.13 ISDN Sending Test ................................................................................................ 6-21
6.14 Tone Send Test G3 ................................................................................................ 6-22
6.15 Modem Send Test G3 ........................................................................................... 6-23
6.16 MF (Tone) Test G3 ................................................................................................ 6-24
6.17 Protocol Dump Data Printing ................................................................................. 6-25
6.18 System Reset ........................................................................................................ 6-26
6.19 Service Codes ....................................................................................................... 6-27
6.19.1 G3 Service Code List ............................................................................................ 6-28
6.19.2 G4 Service Code Lists .......................................................................................... 6-31
6.19.3 Internet-Fax Service Code List .............................................................................. 6-34
CHAPTER 7 TROUBLESHOOTING AND REPAIR FOR OKIFAX 5750/5950
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
OF5750/5950 Series January 2001 4