Oki LP-1040 Maintenance Manual page 201

(1) Power On jam checkout instructions
This problem analysis is used when a paper jam error message is displayed on the operation
panel before printing.
Note
(a) Select Sensor in Engine Maintenance mode. For each paper jammed door, check the
applicable sensors from the chart below.
-
Position with
Paper Jammed
Roll paper drawer
Rear door
Paper outlet cover or
Fuser unit drawer
(b) Replace the sensor corresponding to the position with the paper jammed. Then press the
sensor button. If the sensor status is still On, replace the PCB-ASSY-AAC (actuator control
board) or the PCB-ASSY-ARC (RIP board).
◇ If more than two doors are displayed on the operation panel, check the
applicable sensors on all doors.
PS04
(Jam Sensor Below Cutter)
PS05
(Registration sensor)
PS06
(Suction jam sensor)
PS07
(Fuser jam sensor)
Chapter 5 Engine Problems Troubleshooting
Sensor
- There is light shining into the sensor.
- A short was detected between the frame and
CBL-CUT1.
- With CBL-CUT1 an unplugged connector is
found or a cable disconnection is detected.
- The sensor is not functioning.
- There is light shining into the sensor.
- The position between CBL-MECH2 or
CBL-PS04 and the frame is shorted.
- The connectors of CBL-MECH2 and CBL-PS04
are removed, or they are disconnected.
- The sensor is not functioning.
- There is light shining into the sensor.
- A short was detected between the frame and
CBL-FUSER21, CBL-FUSER22, and/or
CBL-PS06.
- With CBL-FUSER21, CBL-FUSER22, and/or
CBL-PS06, an unplugged connector is found or
a cable disconnection is detected.
- The sensor is not functioning.
- There is light shining into the sensor.
- A short was detected between the frame and
CBL-FUSER21, CBL-FUSER22,
CBL-FUSER23, and/or CBL-PS07.
- With CBL-FUSER21, CBL-FUSER22,
CBL-FUSER23, and/or CBL-PS07, an
unplugged connector is found or a cable
disconnection is detected.
- The sensor is not functioning.
Check Item
5-27