Epson WorkForce 1100 Service Manual page 59

WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100
Observed Faults Details of the Fault
The printout is Ink smudges appear on the blank
stained with ink. area of the printout.
The printout is Images are printed grainy in all
grainy. print modes. Or the image looks
rough.
When printed at 5760 dpi, the
printed images are poor or
grainy.
Regarding hue of The whole image is reddish.
images
Troubleshooting
Table 3-12. Print Quality Troubles
Faulty Part/
Part Name
PF Roller Shaft 1. Check the PF Roller Shaft for ink stain.
PF Roller Shaft
Adjustment 1. Check that PG, Bi-D and Head Angular Adjustments have been
Main Board made properly.
Print Head
2. Print the adjustment check patterns and check if they are grainy. 2. If the images look still grainy after adjustment,
Adjustment 1. After making sure that PG, Bi-D and Head Angular Adjustments
Main Board have been made correctly, check whether PW Sensor has been
Print Head adjusted properly.
2. Print the adjustment check patterns and check if the printed
images are still poor or grainy.
Adjustment 1. Check if the PG has been adjusted properly.
Print Head
2. Check that Bi-D and Head Angular Adjustments have been
made properly.
3. Print the adjustment check patterns and check the image color.
Overview
Check Point
Revision C
Remedy
1. Clean the PF Roller Shaft with a soft cloth.
1. Make the adjustments according to the
specified adjustment priority.
Refer to Chapter 5 ?Adjustment?.
replace the Main Board with a new one.
1. Make the adjustment according to the specified
adjustment priority.
Refer to Chapter 5 ?Adjustment?.
2. If the image quality does not improve after the
adjustment, replace the Print Head and Main
Board in this order, and check the image
graininess.
1. Make the adjustment according to the specified
adjustment priority.
Refer to Chapter 5 ?Adjustment?.
2. Make the adjustments according to the
specified adjustment priority.
Refer to Chapter 5 ?Adjustment?.
3. If the image color does not change after
adjustment, replace the Print Head with a new
one.
Confidential
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