Problem Analysis Based On Symptoms - Oki LP-1040 Maintenance Manual

5.3.3

Problem Analysis Based on Symptoms

(1) Check open door problem analysis
This problem analysis is used to analyze a situation when:
- You are unable to print due to Door Open displayed on the operation panel; and
- All doors and covers are closed.
Perform the appropriate problem analysis from (a) to (d) below based on what is displayed on
the operation panel.
(a) Problem analysis at improper display on rear dooropen/close status
◇ If INT 3 is switched to On and everything is operating as it should, the cutter is
Open the rear door.
Turn On INT 3 (the cutter door interlock switch).
Did the error display on the operation panel go away?
Yes
 Check for any problems with the installation position of INT 3.
 Check for a broken or bent actuator.
 Check all mechanical parts.
 Replace the PCB-ASSY-ARC (RIP board) or the PCB-ASSY-AAC (actuator control board).
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activated and returned to its home position as part of its initial action. Be careful
not to touch the cutter during this time.
No
Select Sensor in Engine Maintenance mode.
Select INT3.
Is On displayed?
Yes No
◆ Check INT 3.
◆ Check for a problem with INT 3's signal contact.
◆ Check CBL-INT1 and/or CBL-INT3, and CBL-MECH1 for a
disconnection or a faulty 1 connection.
If there are no problems, replace the PCB-ASSY-ARC (RIP board) or the
PCB-ASSY-AAC (actuator control board).
Caution