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Field Service Ver. 2.0 Jul. 2009
19. TROUBLE CODE
821
TROUBLESHOOTING
19.5.153 C6751: CCD clamp/gain adjustment failure
19.5.154 C6752: ASIC clock input error (front side)
19.5.155 C6753: ASIC clock input error (back side)
Relevant parts
Exposure unit
CCD board (CCDB)
MFP board (MFPB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Correct the harness connection between
CCDB and MFPB if faulty.
—
—
2
Check for possible extraneous light and
correct as necessary.
—
—
3
Clean the lens, mirrors, CCD surface, and
shading sheet if dirty
—
—
4
Correct reflective mirror of the scanner if
faulty, or change scanner.
—
—
5
Change CCDB
—
—
6
Change MFPB
—
—
Relevant parts
Exposure unit
CCD board (CCDB)
MFP board (MFPB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Correct the harness connection of CCDB if
faulty.
—
—
2
Change CCDB
—
—
3
Change MFPB
—
—
Y110571-1 Service Manual
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...