Epson Stylus Pro 4400 Service Manual page 189

EPSON Stylus Pro 4400/4450/4800/4880/4880C
SERVICE REQ. 0001002D
Error meaning:
Cleaning Unit work life error
Cause of trouble
Pump counter (8P x 1000 = 8,000P) has reached its regulated value.
Remedy
Replace the Cleaning Unit and reset the Cleaning Unit work life counter.
(Reset When Cleaning Unit Change
NOTE: Refer to Table 3-4 "Corrective Actions for Displayed Warnings
(p.162)" about the Cleaning Unit components.
SERVICE REQ. 0001002F
Error meaning:
360 DPI writing time out error
Explanation
At ASIC reset, cannot restore position held before reset or carriage
interference, etc.
Remedy
Recover by turning power OFF and back ON.
SERVICE REQ. 00010030
Error meaning:
Multi Sensor Failure
Cause of trouble
Multi Sensor is damaged
Remedy
1. Check if the connection between the Multi Sensor and BOARD
ASSY., MAIN, and correct it if abnormal.
2. Replace the Multi Sensor (p.277)
Troubleshooting
(p.443).)
Troubleshooting Based on Panel Messages
SERVICE REQ. 00010031
Error meaning:
ASF phase detection error
Cause of trouble
ASF home position cannot be detected even though Pump Motor turns
at designated amount.
ASF Phase Sensor is damaged.
Power supply fuse for ASF/Pump Motor driver is broken on the MAIN
Board.
Remedy
1. Check if the ASF phase detection wheel rotates smoothly, and correct
it if abnormal.
2. Replace the ASF Phase Sensor (p.263)
3. Replace the C593 MAIN Board (p.226)
SERVICE REQ. 00010032
This error is for clarification only and does not actually occur.
C H E C K
P O I N T
Revision C
189