Action Yes No
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?
• 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 9.
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?
Problem resolved. Go to step 10.
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?
Contact your next level
of support.
Replace the controller
board. See
“Controller
board removal” on
page 291.
5027
Diagnostic information
156