Description: No error message when the cover is open The Cover Open message does not appears on the LCD even when the print cover is open.
Causes: 1. The ‘Open Cover’ microswitch may be stuck or faulty 2. Check the connector and cables between Switch and main PBA.
Remedy: 1. Use TECH mode(“cover sensor test”) to check cover switch operation. Check and replace switch if necessary. 2. Replace the Main Control board or Cover Open S/W as necessary.
Code: 44
Description: Defective motor operation Main motor is faulty and paper does not feed into the printer, resulting in Jam 0'
Causes: 1. The main motor harness or Motor PCB may be faulty.
Remedy: 1. Check the motor harnesses and connectors, replace if defective.. If the problem persists replace the main PBA. Note Check motor operation using EDC Mode.
Code: 45
Description: No Power When system power is turned on the LCD panel does not come on.
Causes: 1. Check if the power input and SMPS output are normal. 2. LCD panel does not come on but normal start up sounds are heard. 3. After replacing SMPS display does not come on and no start up sounds are heard.
Remedy: 1. Replace the power supply cord or SMPS. Check power fuse and SMPS fuses replace if necessary. 2. Replace the OP panel. 3. Replace the main PBA panel.
Code: 46
Description: Printed Vertical Lines become curved. When printing, vertical lines are not straight.
Causes: 1. Check stability of 24V supply to LSU.
Remedy: 1. 24V stable - Replace LSU. 24V unstable replace SMPS, if the problem persists replace the main PBA.