Oki Data CONFIDENTIAL
44043511TH Rev.2
218 /
Poor Fusion (lightly touching the toner causes the toner to wipe off or fall off)
• Is standard paper used?
NO
Use standard paper.
• YES
Fuser Unit contact properly connected?
NO
Properly connect the fuser unit contact.
• YES
Is the fuser unit roller dirty?
YES
Replace the fuser unit.
• NO
Is the [Paper Thickness] (Menu 1) properly set?
NO
Properly set the [Paper Thickness].
• YES
Is there an AC voltage output between CN connector Pin 1 and 3 of the low
voltage power unit?
NO
Replace the low voltage power unit.
• YES
Are the three Upper Roller Thermistors down or short-circuited? (See Figure 7-1.)
At an ambient temperature between 0 and 43˚C: 7-pole side:
Pins 1 & 2 = 4194 to 696.6k
Ω
Pins 3 & 4 = 642.1 to 122.4k
Ω
Pins 5 & 6 = 642.1 to 122.4k
Ω
NO
Replace the fuser unit.
• YES
Is the thermistor on the lower side down or short-circuited? (See Figure 7-1.)
At an ambient temperature between 0 and 43˚C: 6-pole side:
Pins 1 & 2 = 642.1 to 122.4k
Ω
NO
Replace the fuser unit.
• YES
Does the fuser temperature match the set temperature?
Check the fuser temperature on the LCD of the engine Maintenance Mode display.
NO
Replace the fuser unit.
• YES
Replace the fuser 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...