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19. TROUBLE CODE
Field Service Ver. 2.0 Jul. 2009
814
TROUBLESHOOTING
19.5.137 C4101: Polygon motor rotation trouble
19.5.138 C4301: PH cooling fan motor failure to turn
Relevant parts
PH unit
PH relay board (REYB/PH)
Printer control board (PRCB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Check the connector for proper connection
and correct as necessary.
—
—
2
Change PH unit
—
—
3
REYB/PH ICP2 conduction check
—
—
4
Change REYB/PH
—
—
5
Change PRCB
—
—
Relevant parts
PH cooling fan motor (FM14)
PH relay board (REYB/PH)
Printer control board (PRCB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Check the FM14 connector for proper con-
nection and correct as necessary.
—
—
2
Check the fan for possible overload and
correct as necessary.
—
—
3
FM14 operation check
REYB/PH CN4-1 (REM)
REYB/PH CN4-3 (LOCK)
A to B-7
4
Change FM14
—
—
5
REYB/PH ICP1 conduction check
—
—
6
Change REYB/PH
—
—
7
Change DCPU
—
—
Service Manual Y110571-1
Содержание d-color MF651
Страница 1: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Страница 24: ...MEASURES TO TAKE IN CASE OF AN ACCIDENT S 22 Blank Page...
Страница 27: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Страница 511: ...Field Service Ver 2 0 Jul 2009 10 UTILITY 451 ADJUSTMENT SETTING Blank Page Y110571 1 Service Manual...
Страница 716: ...16 MECHANICAL ADJUSTMENT Field Service Ver 2 0 Jul 2009 656 ADJUSTMENT SETTING Blank Page Service Manual Y110571 1...
Страница 1053: ...UPDATING STATUS DATE UPDATED PAGES PAGES CODE 10 2009 1ST EDITION 1053053 Y110571 1...