41388601TH Rev.6
96 /
Oki Data CONFIDENTIAL
6
Poor fusing (Images are blurred or peeled off when touched with a hand.)
•
Is the specified paper used?
No
Use the proper paper.
▼
•
Yes
Is the contact of the fuser unit connected correctly?
No
Connect the contact of the fuser unit properly.
▼
•
Yes
Are the rollers in the fuser unit contaminated?
Yes Replace the fuser unit.
▼
•
No
Is the “MEDIA TYPE” (MENU 1) set correctly?.
Light: 60 g/sq.m. Med. light: 64~74 g/sq.m. Medium: 75~90 g/sq.m.
Med. heavy: 91~104 g/sq.m. Heavy: 105~122 g/sq.m. Ultra heavy: 123~175 g/sq.m.
No
Set the proper “MEDIA TYPE”.
▼
•
Yes
Does AC voltage appear between the CN connector Pin 1 and Pin 3 of the low-voltage power
supply unit?
No
Replace the low-voltage power supply unit.
▼
•
Yes
Is the resistance of the heat roller thermistor within the rated value? (See the Figure 5.1)
(at room temperature 0
°
C~ 43
°
C, approx. 190 ~ 980
Ω
)
No
Replace the fuser unit.
▼
•
Yes
Is the resistance of the back-up roller thermistor within the rated value? (See the Figure 5.1)
(at room temperature 0
°
C~ 43
°
C, approx. 190 ~ 980
Ω
)
No
Replace the fuser unit.
▼
•
Yes
Is the THERM1 signal on the THERM connector Pin 6 on the engine board (K73 PWB) within
the range below?
No
Replace the fuser unit assy.
▼
•
Yes
Replace the fuser unit assy.
Notes: 1. When replacing the engine board (K73 PWB), demount the EEPROM chip from the old
engine board and remount it on the new one.
2. In case the EEPROM chip is not replaced, see Item (2) in Sec. 5.5.2
Summary of Contents for C9200
Page 13: ...41388601TH Rev 6 13 Oki Data CONFIDENTIAL 2 2 Parts Layout Figure 2 1 ...
Page 14: ...41388601TH Rev 6 14 Oki Data CONFIDENTIAL Figure 2 2 Top Cover Assy ...
Page 15: ...41388601TH Rev 6 15 Oki Data CONFIDENTIAL Figure 2 3 Printer Unit 1 2 ...
Page 16: ...41388601TH Rev 6 16 Oki Data CONFIDENTIAL Figure 2 4 Printer Unit 2 2 ...
Page 17: ...41388601TH Rev 6 17 Oki Data CONFIDENTIAL Figure 2 5 Cassette Guide Assy L R ...
Page 18: ...41388601TH Rev 6 18 Oki Data CONFIDENTIAL Figure 2 6 ...
Page 19: ...41388601TH Rev 6 19 Oki Data CONFIDENTIAL A B C D E A B C D E Figure 2 7 Duplex Unit ...
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Page 128: ...41388601TH Rev 6 128 Oki Data CONFIDENTIAL 20 24 25 1 7 7 7 7 9 23 22 21 9 19 Figure 7 6 1 2 ...
