Lexmark CX310 Service Manual page 175

Action
Step 8
a
Turn off the printer.
b
Remove the printer from the input option trays.
c
Remove the rear shield.
d
Reseat the JOPT1 cable on the system board.
e
Check the JOPT1 cable for any damage.
f
Position the printer to partially hang on the side of a table, and check
the autoconnect/option tray cable for damage.
Is the tray 2 to controller board cable damaged?
Step 9
•
For 550 input option, replace the optional 550-sheet drawer.
•
For 650 input option, replace the optional 650-sheet duo drawer.
Does this fix the problem?
Step 10
a
Turn off the printer.
b
Remove the rear cover. See
c
Disconnect the cable at JOPT1 on the controller board.
d
Turn the printer on.
e
Measure the voltages below:
JOPT1:
•
Pin 2: Ground
•
Pin 3: Ground
•
Pin 5: +24 V dc
•
Pin 6: Ground
•
Pin 7: +5 V dc
•
Pin 9: Ground
•
Pin 10: Ground
Are the voltages correct?
Yes
•
•
Problem resolved.
Contact your next level
of support.
Diagnostic information
175
No
Go to step 9.
If the printer
autoconnector is
damaged, then
replace the tray 2 to
controller board
cable.
If the option tray
autoconnector is
damaged, then go
to step 8.
Go to step 10.
Replace the controller
board. See
board removal" on
page 309.
7527
"Controller