Epson Stylus C50 Service Manual page 75

EPSON Stylus C50/C60/C61/C62
Occurrence
timing Detailed phenomenon
CR position
When turning on the power, the CR unit
Power on
collides to the right side of the Main
Anywhere
frame.
The CR unit climbs over the Slider lock
Operation
lever set to the wiping position and the
-
CR unit collides to its lever.
LED indication
Error condition
STM3 message
Power : On
Error : On
Paper jam error
Paper jam
Troubleshooting
Table 3-5. Check point for the fatal error according to each phenomenon
Defective
unit/part name
1. Check if the CR home position is correctly detected with
Main frame
1. Check if the Slider lock lever is correctly released by the
Main frame
1. Check if the Slider lock lever is correctly released by the
Front frame
Table 3-6. Paper jam error condition and possible cause
Occurrence CR position at the
timing power on timing
Inside HP
Power on
Anywhere
Unit Level Troubleshooting
Check point
the HP/PE sensor.
CR movement.
CR movement.
Unit/Part name
The CR motor connector cable comes off.
CR motor The CR motor is defective.
The CR motor connector cable is damaged.
Holder shaft unit The Paper return plate disturbs the rotation of the LD roller.
The PF motor connector cable comes off.
PF motor The PF motor is defective.
The PF motor connector cable is damaged.
Pump unit The Compression spring 1.764 comes off.
ASF unit The Compression spring 29.1comes off.
The Torsion spring 0.22 for PE sensor lever comes off.
The Torsion spring 0.22 for HP sensor lever comes off.
The HP/PE sensor is defective.
LD roller unit
The HP/PE sensor cable comes off.
The HP/PE sensor cable is damaged.
The HP/PE sensor cable is not placed correctly.
Remedy
1. Replace the Printer mechanism with new one.
* If the problem is not solved, replace the
Main board with new one.
1. Replace the Printer mechanism with new one.
1. Replace the Front frame with new one.
Possible cause
Refer to Table 3-7
Revision C
Check table
67