2-42
Service Manual
7100-XXX
ADF paper feed service check
Step
Questions / actions
Yes
No
1
If the ADF is multi-feeding, check for dirt on
the ADF separator pad and ADF separator
rollers. Are they dirty?
Clean them with a lint free
cloth and isopropyl alcohol.
Replace the separator pad
and ADF pick roll.
2
If the paper is skewing when it is fed into the
ADF, check the paper guide width. Is it set
correctly?
Go to step 3.
Set the paper guides so
they contact the edges of
the paper.
3
If paper is skewing when fed or jamming
check to see if the top cover is open or ajar.
Is the ADF top cover open or ajar?
Properly close the top
cover.
If the paper is jamming in
the ADF, go to step 6
4
Is paper failing to feed into the ADF?
Go to step 5.
There is no issue.
5
Check the leading edge of the paper to
ensure the paper is not curled or bent in a
way that would keep it from contacting the
paper sensor actuator. Is the paper
damaged?
Bad media.
Go to step 6.
6
Is there dirt in the sensors, or is the paper
present actuator stuck?
Clean the sensors, or
remove debis from the
actuators.
Go to step 7.
7
Are the sensor actuators on the ADF
mechanism cover damaged?
Replace the ADF
mechanism cover.
Go to step 8.
8
Is the ADF connector properly connected to
J-ADF1 on the system board?
Go to step 9.
Properly connect the cable
to the system board.
9
inspect the connections on the ADF relay
card in the ADF. Are all the connections
properly connected?
Go to step 10.
Secure all the connections.
10
Check the ADF cable for continuity. Is there
continuity?
Go to step 11.
Replace the ADF cable.
11
Check for signals or voltages from J-ADF.
The voltage will only be present on pin 1
when a copy job is run. Pin one on
connector J-ADF1 should m 5v. Are
there signals or voltages present?
Replace the ADF unit. See
“ADF unit removal” on
page 4-53
.
Replace the system board.
See
“System board
removal” on page 4-36
.
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