Description: Drum/Development motor error: K The machine detects a High signal from the drum/development motor for 2 seconds after the drum/development motor turned on.
Causes: • Overload on the drum/development motor • Defective drum/development motor • Defective harness • Shorted 24 V fuse on the PSU • Defective interlock system
Remedy: 1. Check or replace the harness. 2. Replace the drum/development motor. 3. Replace the 24V fuse on the PSU.
Code: 397
Description: Drum/Development motor error: M The machine detects a High signal from the drum/development motor for 2 seconds after the drum/development motor turned on.
Causes: • Overload on the drum/development motor • Defective drum/development motor • Defective harness • Shorted 24 V fuse on the PSU • Defective interlock system
Remedy: 1. Check or replace the harness. 2. Replace the drum/development motor. 3. Replace the 24V fuse on the PSU.
Code: 398
Description: Drum/Development motor error: C The machine detects a High signal from the drum/development motor for 2 seconds after the drum/development motor turned on.
Causes: • Overload on the drum/development motor • Defective drum/development motor • Defective harness • Shorted 24 V fuse on the PSU • Defective interlock system
Remedy: 1. Check or replace the harness. 2. Replace the drum/development motor. 3. Replace the 24V fuse on the PSU.
Code: 399
Description: Drum/Development motor error: Y The machine detects a High signal from the drum/development motor for 2 seconds after the drum/development motor turned on.
Causes: • Overload on the drum/development motor • Defective drum/development motor • Defective harness • Shorted 24 V fuse on the PSU • Defective interlock system
Remedy: 1. Check or replace the harness. 2. Replace the drum/development motor. 3. Replace the 24V fuse on the PSU.
Code: 400
Description: ID sensor adjustment error When the Vsg error counter reaches "3", the machine detects "SC400". The Vsg error counter counts "1" when the Vsg detected by ID sensor is more than the value (default: 4.5V) specified with SP3324-005 or less than the value (default: 3.5V) specified with SP3324-006.
Causes: • Dirty or defective ID sensor • Defective ID sensor shutter
Remedy: 1. Check the harness of the ID sensor. 2. Clean or replace the ID sensor. • After replacing the ID sensor, input the ID sensor correction coefficient with SP3362-013 to -018. For details, refer to "ID sensor board" in the Replacement and Adjustment section. 3. Replace the IOB. 4. Replace the image transfer belt unit.
Code: 441
Description: Image transfer unit motor error The motor LOCK signal is not detected for more than two seconds while the motor START signal is on.
Causes: • Motor overload • Defective image transfer unit motor
Remedy: 1. Replace the image transfer belt unit. 2. Replace the IOB.