Epson Stylus C50 Service Manual page 86

EPSON Stylus C50/C60/C61/C62
LED indication
Error condition
STM3 message
Power : -
Error : -
Abnormal noise
No appear
Occurrence
timing Detailed phenomenon
CR position
The abnormal noise occurs at the first
power on timing and during each
operation although the printing operation
is performed.
Anywhen
Anywhere
The bottom of the CR unit contacts the
surface of the Front frame.
The CR unit collides to the Paper guide
upper/left during each operation.
Troubleshooting
Table 3-16. Abnormal noise
Occurrence CR position at the
timing power on timing
Anywhen Anywhere
Paper guide upper/left
Table 3-17. Check point for the abnormal noise
Defective
unit/part name
1. Check if the grease on the CR guide shaft is sufficient.
CR unit
1. Check if the grease on the Front frame is sufficient.
Front frame
1. Check if the Change lever moves smoothly.
Pump unit
1. Check if the Front frame is bent up.
Front frame
1. Check if the Paper guide upper/left comes off from
Paper guide upper/
left
Unit Level Troubleshooting
Unit/Part name
CR unit The lubrication amount of the grease is insufficient.
The Front frame is bent up.
Front frame
The lubrication amount of the grease is insufficient.
The Paper guide upper/left comes off.
Pump unit The Change lever is not moved smoothly.
Check point
the Main frame.
Possible cause
Refer to Table 3-17
Remedy
1. Wipe off the remaining grease on the CR
guide shaft and lubricate it on its shaft.
1. Wipe off the remaining grease on the Front
frame and lubricate it on its frame.
1. Replace the Printer mechanism with new one.
1. Replace the Front frame with new one.
1. Reassemble the Paper guide upper/left to the
Main frame.
Revision C
Check table
78