Diagnostic information 2-41
7100-XXX
Scanner / Copy / Fax service checks
Black page copy service check
Flatbed service check
ADF streak service check
Step Questions / actions Yes No
1 Print a menu page, or a page from the host.
Is the page black?
See “High voltage power
supply (HVPS) service
check” on page 2-23
Go to step 2.
2 Is the CCD ribbon cable properly connected
to J-CCD on the system board?
Go to step 3. Properly connect the ribbon
cable to J-CCD.
3 Check for +3.3VDC on pins 12 and 16 on
connector J-CCD. Pins 10 and 20 are
+5VDC. Pin 8 is +12VDC. Are the voltages
present?
Replace the flatbed unit.
See “Flatbed assembly
removal” on page 4-49.
Replace the system board.
See “System board
removal” on page 4-36.
Step Questions / actions Yes No
1 Check to see if the flatbed is locked. Is it
locked?
Unlock the flatbed. Go to step 2.
2 Ensure that the flatbed motor cable (JFB1)
is connected. Is the cable connected?
Go to step 3. Properly connect the cable.
3 Check pin 1 in J-FB1 for voltage. The
voltage is only present when a copy job is
running. The voltage should measure 5V. Is
voltage present?
Replace the flatbed unit.
See “Flatbed assembly
removal” on page 4-49.
Replace the system board.
See “System board
removal” on page 4-36.
Step Questions / actions Yes No
1 Do streaks appear on the middle of
scans when using the ADF?
Clean the ADF glass on the
flatbed using a lint-free cloth.
Also, clean the separator roll
and pad with a damp cloth.
No issue to fix.
To Next Page
Loading...
