41956001TH Rev.1
153 /
Oki Data CONFIDENTIAL
6
Poor Fusing (Ink spreads or peels when touched with fingers)
•
Is regulated paper being used?
NO
Use regulated paper.
▼
•
YES
Is the contact of the fuser unit connected properly?
NO
Connect the contact of the fuser unit properly.
▼
•
YES
Is the roller in the fuser unit dirty?
YES Replace the fuser unit assembly.
▼
•
NO
Is the PAPER THICKNESS (menu 1) selected correctly?
Light: 60 g/m
2
Medium Light: 64 to 74 g/m
2
Medium: 75 to 90 g/m
2
Medium Heavy: 91 to 104 g/m
2
Heavy: 105 to 122 g/m
2
Ultra Heavy 123 to 175 g/m
2
NO
Set [Paper Thickness] properly.
▼
•
YES
Is AC voltage output between CN connector pins 1 and 3 in the low-voltage power unit?
NO
Replace the low-voltage power unit.
▼
•
YES
Is the heat roller thermister resistance within the regulated value? (See Fig. 6-1)
(Approx. 190k-980k
Ω
in room temperature of 0-43 degrees Celsius.)
NO
Replace the fuser unit.
▼
•
YES
Is the back-up roller thermister resistance within the regulated value? (See Fig. 6-1)
(Approx. 190k-980k
Ω
in room temperature of 0-43 degrees Celsius.)
NO
Replace the fuser unit.
▼
•
YES
Does the fuser temperature match the set temperature?
Check the fuser temperature in the LCD display of the engine maintenance mode.
Heat roller (upper)
: 145-155 degrees (5FH-6BH)
Back-up (lower) : 125-135 degrees (48H-53H)
NO
Replace the fuser unit assembly.
▼
•
YES
Replace the fuser unit assembly.
Note: 1. Remove EEPROM from the old board and set it on the new board upon replacing the
engine board (K7N PWB).
2. If EEPROM is not replaced, refer to section 4.2.2.
Содержание C9300 Series
Страница 48: ...41956001TH Rev 1 48 Oki Data CONFIDENTIAL 3 2 Parts Layout Figure 3 1 ...
Страница 49: ...41956001TH Rev 1 49 Oki Data CONFIDENTIAL Figure 3 2 Top Cover Assy ...
Страница 50: ...41956001TH Rev 1 50 Oki Data CONFIDENTIAL Figure 3 3 Printer Unit 1 2 ...
Страница 51: ...41956001TH Rev 1 51 Oki Data CONFIDENTIAL Figure 3 4 Printer Unit 2 2 ...
Страница 52: ...41956001TH Rev 1 52 Oki Data CONFIDENTIAL Figure 3 5 Cassette Guide Assy L R ...
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Страница 54: ...41956001TH Rev 1 54 Oki Data CONFIDENTIAL A B C D E A B C D E Figure 3 6 Duplex Unit ...
Страница 112: ...41956001TH Rev 1 112 Oki Data CONFIDENTIAL Pattern 5 Pattern 6 Pattern 7 ...
Страница 161: ...41956001TH Rev 1 161 Oki Data CONFIDENTIAL Figure 6 3 Ground Charge Roller Developing Roller Toner Supply Roller ...
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Страница 178: ...41956001TH Rev 1 178 Oki Data CONFIDENTIAL 37 26 33 38 32 39 38 31 34 35 36 27 Figure 8 1 3 3 ...
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