Epson Stylus Pro 4450 - Page 184

EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C
Troubleshooting Troubleshooting Based on Panel Messages 184
SERVICE REQ. 00010012
 Error meaning:
CR overload (high sensitivity) error
 Explanation
PWM has been being output for a certain period of time. This can be made
when load on the CR Motor is slightly increased.
 Remedy / Points to be checked
1. Check the load on the CR Motor.
• Running load of CR Motor (check by manual operation)
• Measure the resistance value of the PF Motor.
If the CR Motor is found in short mode, replace the BOARD ASSY.,
MAIN at the same time.
• Damage to or wear in the CR Driven Pulley
• Damaged or worn bearing of the Carriage Unit
• Flaws in the CR Rail caused by roller running
• Tension of the CR timing belt
2. Replace the Motor Assy., CR (p.270)
3. Replace the C593 MAIN Board (p.226)
SERVICE REQ. 00010013
 Error meaning:
PF overload (high sensitivity) error
 Explanation
PWM has been being output for a certain period of time. This can be made
when load on the PF Motor is slightly increased.
 Remedy / Points to be checked
1. Check the load on the PF Motor.
• Measure the resistance value of the PF Motor.
If the PF Motor is found in short mode, replace the BOARD ASSY.,
MAIN at the same time.
• Running load of PF Motor (check by manual operation)
• Rotation load of PF Motor
2. Replace the Motor Assy., PF (p.349)
3. Replace the C593 MAIN Board (p.226)