Step Questions / actions Yes No
6
Replace the ADF cable. POR the machine
into configuration mode. Go to the
disable scanner menu item. See “Disable
Scanner” in “System Maintenance”.
Touch "Enable ADF/FB -Enabled" and
press "Submit" to save the change. POR
the machine to operating mode. Try
running a copy from the ADF and flatbed.
Did the 840.xx error recur?
Go to step 7. Stop. Problem solved.
7
Replace the ADF unit. See “ADF Unit
Removal” in “Replacement and
Adjustment”. POR the machine into
configuration mode. Go to the disable
scanner menu item. See “Disable
Scanner” in “System Maintenance”.
Touch “Enable ADF/FB -Enabled" and
press "Submit" to save the change. POR
the machine to operating mode. Run a
copy from the ADF.
Did the 840.xx error recur?
Go to step 8. Stop. Problem solved.
8
Inspect J17, J12, 13 and J30 on the
controller board.
Are the connections properly connected?
Go to step 10. Go to step 9.
9
Properly connect all the connections.
Did the 840.xx error recur?
Go to step 10. Stop Problem solved.
10
Replace the flatbed unit (
p.111
"Flatbed Removal"). POR the machine
into configuration mode. Go to the
disable scanner menu item. See “Disable
Scanner” in “System Maintenance”.
Touch “Enable ADF/FB -Enabled" and
press "Submit" to save the change. POR
the machine to operating mode. Run a
copy from the flatbed.
Did the 840.xx error recur?
Go to step 11 Stop. Problem solved.
6. Troubleshooting
266
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