Lexmark CX310n Service Manual page 43

Actions
Step 3
Watch the display while pushing up on the flag.
Does the display indicate Media Clean and Media Present?
Step 4
Turn the printer off, and remove the rear cover. See
on page 221.
Is the JSP1 cable connector properly connected to the controller board?
Step 5
Turn the printer on, and check the voltage at JSP1 pin 15.
Is the voltage approximately +5 V dc?
Yes
Problem resolved.
Go to step 5.
"Rear cover removal"
Replace the paper pick
motor drive assembly.
See
drive assembly
(standard tray)
removal" on page
290.
Diagnostic information
43
No
Go to step 4.
Reset the connector.
Replace the controller
board. See
"Paper pick motor board removal" on
page 239.
7527
"Controller