Oki Data CONFIDENTIAL
44043511TH Rev.2
220 /
Printing Thinned Out
• Is the LED head lens dirty?
YES
Clean the LED head lens.
• NO
Are all LED head Assy parts properly connected to the relay PCB (S2H PCB) and
engine PCB (S2V(1200dpi) or S2X(600dpi) PCB)?
NO
Check the cable connection of the LED and the cable connection between
the relay PCB and engine PCB, then properly connect the cable between the
LED head and engine PCB.
• YES
Is the LED head pressing spring properly set?
NO
Properly set the pressing spring.
• YES
Are the protrusions on both sides of the LED head properly in contact with each
FG plate spring?
NO
Correct the bend in the FG plate spring.
• YES
Replace the LED head.
Has the problem been corrected?
YES
END
• NO
Replace the head shield cable.
Has the problem been corrected?
YES
END
• NO
Check the cable connection, then replace the engine PCB (S2V(1200dpi) or
S2X(600dpi) PCB).
Has the problem been corrected?
YES
END
• NO
Check the cable connection. Then replace the low voltage power unit.
Has the problem been corrected?
YES
END
• YES
Is +24V output to the HVOLT connector Pin 16 of the Engine PCB (S2X(1200dpi) or
S2X(600dpi) PCB)?
NO
Replace the engine PCB.
• YES
Check the cable connection, then replace the high voltage power unit or belt unit.
Has operation been restored?
YES
END
• NO
Is the I/D unit terminal properly connected to the contact Assy? (Refer to Figure 7-3)
NO
Properly connect the I/D unit terminal to the contact Assy.
• YES
Replace Image Drum Unit.
Note!
1. When replacing the Engine PCB (S2V(1200dpi) or S2X(600dpi) PCB), remove the
EEPROM from the old PCB, then mount that EEPROM on the new PCB.
2. If the EEPROM is not going to be replaced, refer to Section 5.2.2.
Summary of Contents for C910
Page 1: ...Oki Data CONFIDENTIAL Model X Maintenance Manual 032007A...
Page 13: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 12 6 Finisher Unit 5 Tray except for China...
Page 94: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 93 4 2 Parts Layout MAIN ViewA Next page C910 Only...
Page 95: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 94 600dpi 1200dpi Air Flow Air Flow Air flow ViewA...
Page 96: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 95 Printer Unit 120V 230V 1 2 See next page...
Page 97: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 96 Printer Unit 120V 230V 2 2 A A...
Page 98: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 97 Plate Assy Power_120V 230V...
Page 99: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 98 Base Assy 1 2...
Page 100: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 99 Base Assy 2 2 A A...
Page 101: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 100 Side R Assy...
Page 102: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 101 Side F Assy C910 Only...
Page 103: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 102 Duct Drive Assy...
Page 104: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 103 FDR Unit Regist A A C C B B...
Page 105: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 104 FDR Unit MPT A A 2...
Page 106: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 105 Eject Assy...
Page 107: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 106 Plate Top Assy...
Page 108: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 107 Job Offset Assy...
Page 109: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 108 Basket Assy...
Page 119: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 118 Plate Top...
