Superficial Phenomenon-Based Troubleshooting - Epson Stylus CX1500 ME100 Service Manual

EPSON Stylus CX1500/ME100

3.3.1 Superficial Phenomenon-Based Troubleshooting

This section explains the fault locations of the error states (print quality and abnormal noise) other than the error states (LED and STM3) in the previous section.
Occurrence
timing Detailed phenomenon
CR position
The LEDs and STM3 are not indicating
• Operation
error conditions. But, multiple sheets of
paper are always loaded from the ASF
• –
Unit.
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 Carriage Unit contacts
the surface of the Front Frame
The Carriage Unit collides to the Paper
Guide Upper during each operation.
TROUBLESHOOTING
Table 3-10. Check point for multiple sheets of paper are always loaded without LEDs and STM3
Defective
unit/part name
ASF Unit
Table 3-11. Check point for the abnormal noise
Defective
unit/part name
Front Frame
Main Frame
Ink System Unit
Front Frame
Paper Guide Upper
Check point
1. Check if the Paper Return Plate operates correctly in the
paper loading sequence.
Torsion Spring 29.1 Paper Return Plate
Check point
1. Check if the grease on the Front Frame is sufficient.
1. Check if the grease on the CR Guide Rail is sufficient.
1. Check if the Change Lever moves smoothly.
1. Check if the Front Frame is not bent up.
1. Check if the Paper Guide Upper Unit is attached securely.
(Check if it interferes with the Carriage Unit)
Troubleshooting
Revision A
Remedy
1. Set the Torsion Spring 29.1 between the ASF
Frame and the Paper Return Plate.
Remedy
1. Wipe off the remaining grease on the Front
Frame and lubricate it on its frame.
1. Wipe off the remaining grease on the CR
Guide Frame and lubricate it on its frame.
1. Replace the Ink System Unit with a new one.
1. Replace the Front Frame with a new one.
1. Reassemble the Paper Guide Upper to the
Main Frame.
64