Epson R200 - Stylus Photo Color Inkjet Printer, Service Manual

Page: 27 / 101

EPSON Stylus Photo R200/R210 Revision A
TROUBLESHOOTING Unit Level Troubleshooting 27
At operation
-
Banding phenomenon occurs in a
direction perpendicular to "Carriage
Unit" movement getting uneven print
density.
Frame EJ Assy.
1. Check if the surface of "Frame EJ Assy." is precisely
horizontal.
1. Replace "Frame EJ Assy." with a new one.
Print Head
1. Check if "Print Head" prints correctly with the Nozzle
Check Pattern.
1. Perform the Head Cleaning, then check the
Nozzle Check Pattern.
* If the problem is not solved, replace "Print
Head" with a new one.
Banding phenomenon occurs in a
direction horizontally to "Carriage Unit"
movement.
(Note)
If the problem is not solved, replace "PF
Motor" with a new one.
PF Roller
1. Check if there is not any foreign matter on the surface of
"PF Roller".
2. Check if "PF Roller" is not damaged.
3. Check if "Spur Gear, 37.242" is not damaged or broken.
1. Clean the surface of "PF Roller".
2. Replace "Printer Mechanism" with a new
one.
3. Replace "Printer Mechanism" with a new
one.
Printer Driver and
Special Paper
1. Check if appropriate paper is used in accordance with the
Printer Driver settings.
1. Use the appropriate type of paper in
accordance with the Printer Driver.
Print Head
1. Check if "Print Head" prints correctly with the Nozzle
Check Pattern.
1. Perform the Head Cleaning, then check the
Nozzle Check Pattern.
* If the problem is not solved, replace "Print
Head" with a new one.
Banded stripes appear in a direction
horizontally to "Carriage Unit"
movement.
These stripes appear when the print
paths overlap each other.
Paper Guide, Front
1. Check if "porous pad" in front of "Paper Guide, Front"
has not come off.
1. Reattach "porous pad".
Table 1-13. Check Points for Defective Print Quality
Occurrence Timing
Position of CR
Phenomenon Detail
Faulty Part/
Part Name
Check Point Remedy
Direction of
CR movement