Superficial Phenomenon-Based Troubleshooting - Epson Stylus NX105 Service Manual

Epson STYLUS NX100/NX105/SX100/SX105/TX100/TX101/TX102/TX103/TX105/TX106/TX109/ME 300

3.2.2 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.
Table 3-9. Check point for the error that multiple sheets of paper are always loaded without LEDs and STM3
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.
TROUBLESHOOTING
Defective
unit/part name
1. Check if the Extension Spring operates correctly in the
paper loading sequence.
Backside of ASF Unit
ASF Unit
2. Check if the Paper Back Lever operates correctly in the
paper loading sequence.
Paper Back Lever
Error Indications and Fault Occurrence Causes
Check point
1. Set the Extension Spring between the Retard
Extension Spring
2. Set the Extension Spring between the ASF
Extension Spring
Revision A
Remedy
Roller Assy and the ASF Housing.
Housing and the Paper Back Lever.
Confidential
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