Image Quality Problem; Initial Check Items; Image Trouble List - Epson AcuLaser C9200N Service Manual

EPSON AcuLaser C9200N

3.5 Image quality problem

When an image quality problem occurs, first go through the Initial Check Items and, if
the cause is yet to be identified, go to troubleshootings per image trouble.

3.5.1 Initial Check Items

Print a color image and determine whether the image problem occurs in monocolor or
4-color.
Mono Color
Figure 3-5. Initial Check Items
Troubleshooting
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3.5.2 Image Trouble List

Sample
4036fs4021c0
4036fs4022c0
4036fs4025c0
4039F4C505DA
4036fs4026c0
4036fs4043c0
4036fs4044c0
Image quality problem
Table 3-20. Image Trouble List
Symptom
<Monocolor>
white lines in sub scan direction
white bands in sub scan direction
4036fs4023c0
colored lines in sub scan direction
colored bands in sub scan direction
4036fs4024c0
<Monocolor>
white lines in main scan direction
white bands in main scan direction
4036fs4027c0
colored lines in main scan direction
colored bands in main scan direction
4036fs4028c0
<Monocolor>
4036fs4045c0
uneven density in sub scan direction
Revision D
Reference
p.139
p.139
p.140
136
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