Epson Stylus Photo R220 Service Manual page 36

EPSON Stylus Photo R220/R230
Occurrence
Timing Phenomenon Detail
Position of CR
[Phenomenon 6]
When the Cleaning is working, the ink is
drained into the Waste Ink Pad.
However, some missing dots and out of
alignment occur in all nozzles while
printing. They are not solved even
executing the Cleaning several times.
* If the problem is not solved,
replace the Main Board with a
new one.
During operation
-
Vertical bands (perpendicular to the
Carriage Unit movement) appear getting
uneven print density.
Direction of
CR movement
(Note)
If the problem is not solved, replace the
CR Motor with a new one.
TROUBLESHOOTING
Table 1-26. Check Points for Print Quality Problems
Faulty Part/
Part Name
Ink System 7. Check if the Slider Lock Lever is not damaged.
Ink Cartridge 1. Check if ink still remains in Ink Cartridge
1. Check if there is not any foreign matter on the nozzle
surface of the Print Head.
2. Check if the Head FFC is connected to CN7 and CN8 on
the Main Board, or to the board on the Print Head.
Print Head
3. Check if the Head FFC is not damaged.
4. Print and check if the Nozzle Check Pattern is printed
properly.
1. Check if there is no foreign matter on the surface of the
CR Guide Shaft.
2. Check if there is no damage on the surface of the CR
Guide Shaft.
3. Check if there is enough grease on the surface of the CR
Guide Shaft.
Carriage Unit
4. Check if the CR Guide Shaft is properly connected to the
Main Frame with the fixing spring of the CR Guide Shaft.
Unit Level Troubleshooting
Check Point
7. Replace the Ink System with a new one.
1. Replace the Ink Cartridge with a new one.
1. Perform the wiping operation. Replace the
2. Securely connect the Head FFC to the Main
3. Replace the Head FFC with a new one.
4. Perform Head Cleaning and check the Nozzle
1. Remove the foreign matter on the CR Guide
2. Replace the CR Guide Shaft with a new one.
3. Wipe the surface of the CR Guide Shaft with
4. Reassemble the CR Guide Shaft correctly.
Revision A
Remedy
Wiper when the Wiper is deformed or
contaminated awfully.
Board or the board on the Print Head.
Check Pattern.
* If the problem is not solved, replace the
Print Head with a new one.
Shaft.
a dry soft cloth, and then apply G-63 to it.
Refer to "Lubrication" in Chapter4.
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