Epson R220 - Stylus Photo Color Inkjet Printer, Service Manual

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EPSON Stylus Photo R220/R230 Revision A
TROUBLESHOOTING Unit Level Troubleshooting 36
During operation
-
[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.
Ink System 7. Check if the Slider Lock Lever is not damaged. 7. Replace the Ink System with a new one.
Ink Cartridge 1. Check if ink still remains in Ink Cartridge 1. Replace the Ink Cartridge with a new one.
Print Head
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.
3. Check if the Head FFC is not damaged.
4. Print and check if the Nozzle Check Pattern is printed
properly.
1. Perform the wiping operation. Replace the
Wiper when the Wiper is deformed or
contaminated awfully.
2. Securely connect the Head FFC to the Main
Board or the board on the Print Head.
3. Replace the Head FFC with a new one.
4. Perform Head Cleaning and check the Nozzle
Check Pattern.
* If the problem is not solved, replace the
Print Head with a new one.
Vertical bands (perpendicular to the
Carriage Unit movement) appear getting
uneven print density.
(Note)
If the problem is not solved, replace the
CR Motor with a new one.
Carriage Unit
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.
4. Check if the CR Guide Shaft is properly connected to the
Main Frame with the fixing spring of the CR Guide Shaft.
1. Remove the foreign matter on the CR Guide
Shaft.
2. Replace the CR Guide Shaft with a new one.
3. Wipe the surface of the CR Guide Shaft with
a dry soft cloth, and then apply G-63 to it.
Refer to
“Lubrication” in Chapter4 .
4. Reassemble the CR Guide Shaft correctly.
Table 1-26. Check Points for Print Quality Problems
Occurrence
Timing
Position of CR
Phenomenon Detail
Faulty Part/
Part Name
Check Point Remedy
Direction of
CR movement