Scanner Carriage Failure Service Check - Lexmark MX310 Service Manual

Actions
Step 7
a
Replace the ADF unit. See
b
POR the machine into Configuration menu > Disable
Scanner. From there, select Enabled to change the setting to
reenable the scanner module and then save the setting.
c
POR the MFP to operating mode. Run a copy from the flatbed.
Did the 840.xx error reoccur?
Step 8
Inspect JFBM1, JHOME1 and JCIS1 on the controller board.
Are they properly connected?
Step 9
Properly connect all the connections.
Did the 840.xx error reoccur?
Step 10
a
Replace the flatbed unit. See
page 398.
b
POR the machine into Configuration menu > Disable
Scanner. From there, select Enabled to change the setting to
reenable the scanner module, and then save the setting.
c
POR the MFP to operating mode. Run a copy from the flatbed.
Did the 840.xx error reoccur?
Step 11
Replace the controller board. See
page 299.

Scanner carriage failure service check

Actions
Step 1
POR the printer, open the scanner cover, and do the following:
•
Check if the scanner carriage moves away, and then back to its
home position.
•
Check if the CIS lamp illuminates.
Check if Ready appears on the control panel.
•
Are the components properly working?
"ADF unit removal" on page
"Flatbed assembly removal" on
"Controller board removal" on
Diagnostics and troubleshooting
180
Yes
Go to step 8.
388.
Go to step 10.
The problem is
solved.
Go to step 11.
The problem is
solved.
Yes
The problem is
solved.
7015
No
The problem is
solved.
Go to step 9.
Go to step 10.
The problem is
solved.
Contact
second‑level
support.
No
Go to step 2.