Actions
Step 8
Turn the printer off, and remove the rear shield. See
on page
307.
Verify the cable is correctly connected to JFUSES1 on the controller board
and to the sensor.
Is the sensor cable properly connected?
Step 9
Turn the printer on, and check the values at JFUSES1:
Pin 8: Ground
Pin 9: +3.3 V dc
Are the values approximately correct?
24y paper jams
[x]‑page jam, open tray [x] [24y.xx]
1
Pull out the tray completely.
Note: The message on the printer display determines in which tray the paper jam is located.
Yes
Go to step 9.
"Rear cover removal"
Replace the duplex
sensor. See
sensor removal" on
page
Diagnostic information
67
No
Reconnect the cable. If
the problem persists,
then go to step 8.
Replace the controller
"Duplex
board. See
board removal" on
302.
page
309.
7527
"Controller