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Eng
OKI C531
Troubleshooting. 5 Paper feed jam (error code 390: Multipurpose tray) 1
Jam occurs immediately after the power is turned on. (Multipurpose tray)
Check condition of the paper running path
Check item |
Check work |
Actions to be taken at NG |
Paper running path of the multipurpose tray |
Check if paper is jammed or not in the paper running path. |
Remove the jammed paper. |
Check condition of the mechanical parts
Check item |
Check work |
Actions to be taken at NG |
IN sensor and WR sensor lever check |
Check the sensor lever shapes and operations for any problem |
Replace the sensor lever(s) with proper one(s) |
Check condition of electrical parts
Check item |
Check work |
Actions to be taken at NG |
Check the detection condition of the sensor signal. |
Confirm that the sensor signals are normally detected by using the SWITCH SCAN function of the self-diagnostic mode. |
Replace the CU/PU board, or appropriate sensor(s) or connection cord(s). |
In sensor and WR sensor output level check |
Check the following signals by using the CU/ PU board RGSNS connector 16: Pin 2: WR sensor Pin 5: IN sensor Confirm that the above signal levels change when the sensor lever is operated. |
Replace the connection cable. |