Lexmark MX610 Service Manual page 139

Actions
Step 4
Properly connect the connections on the ADF relay card and controller
board.
POR the machine into Configuration menu > Disable scanner. From there,
select Enabled to change the settings to re‑enable the scanner module
and then save the setting.
POR the MPF to operating mode. Try running a copy from the ADF and
flatbed.
Did the 840.xx error reoccur?
Step 5
Check the continuity on the ADF cable.
Is there continuity?
Step 6
Replace the ADF cable.
POR the machine into Configuration menu > Disable scanner. From there,
select Enabled to change the settings to re‑enable the scanner module
and then save the setting.
POR the MPF to operating mode. Try running a copy from the ADF and
flatbed.
Did the 840.xx error reoccur?
Step 7
Replace the ADF unit. See "ADF unit removal" on page
POR the machine into Configuration menu > Disable scanner. From there,
select Enabled to change the settings to re‑enable the scanner module
and then save the setting.
POR the MPF to operating mode. Try running a copy from the ADF and
flatbed.
Did the 840.xx error reoccur?
Step 8
Inspect JFBM1, JHS1 and J30 on the controller board.
Are they properly connected?
Step 9
Properly connect all the connections.
Did the 840.xx error reoccur?
Yes
Go to step 5.
Go to step 7.
Go to step 7.
Go to step 8.
316.
Go to step 10.
Go to step 10.
Diagnostic information
139
7016
No
The problem is solved.
Go to step 6.
The problem is solved.
The problem is solved.
Go to step 9.
The problem is solved.