Code :

Code: 73
Display: TRAY 4 PICKUP ARM ERROR
Description: Orange light on An error has occurred at the tray 4 pickup arm.
Remedy: 1) Check the connecting state of the SCF cable. (If the cable is out, insert it to the connector.) 2) Check the harness connected between the SCF controller and the Pickup unit. (If the harness is out, insert it to the connector.) 3) Check the harness connected between the Pickup unit and the cassette paper sensing board. (If the harness is out, insert it to the connector.) 4) In the Engine diagnostic mode, operate the tray 4 SOL to check if the solenoid is operating. (If it is not operating, replace the Pickup solenoid.) 5) Check the hook of the Pickup unit whether it is operating. (If it is not operating normally, replace the Pickup unit.) 6) Replace the cassette paper sensing board. 7) Replace the SCF controller.

Code: 74
Display: [TRAY x] [PAPER SIZE] EMPTY
Description: Orange light on The appointed tray is empty and all other trays are empty. Insert papers. Orange light Flickering When the auto switch is on, the papers in the appointed cassette is empty, but the other cassette has papers.
Remedy: 1) Check the harness connected between the Engine controller and the TA board. (If the harness is out, insert it to the connector.) 2) Check the harness connected between the TA board and the Pickup unit. (If the harness is out, insert it to the connector.) 3) Check the harness connected between the Pickup unit and the cassette sensing board. (If the harness is out, insert it to the connector.) 4) Check the pickup unit. (If it is inferior part or warped part, replace it.) 5) Check the damage of the cassette sensing B . (If it is damaged, replace the cassette sensing board.) 6) In the Engine diagnostic mode, operate the running count of the paper if it is under 39. (If it is over 39, replace the Pickup unit.) 7) Replace the TA board.

Code: 75
Display: [TRAY x] NOT INSTALLED
Description: Green light on The cassette selected for the paper feeding is open.
Remedy: 1) Check for any warping or damage to the cassette (In the case of warping or damage, replace the cassette)

Code: 78
Display: WRONG PAPER SIZE [PAPER] IN [TRAY x]
Description: Orange light on Intended printed paper and the mounted paper size is different. Input the desired paper type.
Remedy: 1) Check for the harness connected between the Engine controller and the paper size board. (If the harness is out, insert it to the connector) 2) In the Engine diagnostic mode, operate the tray size to see if the size is appropriate. (If the size does not match, replace the paper size board) 3) Check if the paper size acknowledging home of the cassette is normal. (If it is not normal, replace the cassette) 4) Check if the unit paper sensor is normal (If it is not normal, replace the unit paper sensor) 5) Replace the Engine controller

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