Epson Stylus Photo R310 Service Manual page 27

EPSON Stylus Photo R300/R310
Occurrence Timing
Phenomenon Detail
Position of CR
[Phenomenon 6]
When the Cleaning is working, the ink is
drained into "Waste Ink Pad". However,
some missing dots and out of alignment
occur while printing. They are not
solved even executing the Cleaning
several times.
* If the problem is not solved,
replace "Main Board" with a new
one.
At operation
Banding phenomenon occurs in a
-
direction perpendicular to "Carriage
Unit" movement getting uneven print
density.
Direction of
CR movement
(Note)
If the problem is not solved, replace "CR
Motor" with a new one.
TROUBLESHOOTING
Table 1-14. Check Points for Defective Print Quality
Faulty Part/
Part Name
7. Check if "Slider Lock Lever" is not damaged.
Ink System
1. Check if ink still remains in Ink Cartridge
Ink Cartridge
1. Check if there is not any foreign matter on the nozzle
surface of "Print Head".
2. Check if "Head FFC" is connected to CN7 and CN8 on
"Main Board", or to the board on "Print Head".
Print Head
3. Check if "Head FFC" is not damaged.
4. Check if each segment prints correctly with the Nozzle
Check Pattern.
1. Check if there is no foreign matter on the surface of "CR
Guide Shaft".
2. Check if there is no damage on the surface of "CR Guide
Shaft".
3. Check if there is enough grease on the surface of "CR
Guide Shaft".
Carriage Unit
4. Check if "CR Guide Shaft" is properly connected to
"Main Frame" with the fixing spring of "CR Guide
Shaft".
Unit Level Troubleshooting
Check Point
7. Replace "Ink System" with a new one.
1. Replace the Ink Cartridge with a new one.
1. Perform the wiping operation. Replace
2. Securely connect "Head FFC" to "Main
3. Replace "Head FFC" with a new one.
4. Perform Head Cleaning and check the Nozzle
1. Remove the foreign matter on "CR Guide
2. Replace "CR Guide Shaft" with a new one.
3. Wipe the surface of "CR Guide Shaft" with a
4. Reassemble "CR Guide Shaft" correctly.
Revision A
Remedy
"Wiper" when "Wiper" is deformed or
contaminated awfully.
Board" or the board on "Print Head".
Check Pattern.
* If the problem is not solved, replace "Print
Head" with a new one.
Shaft".
dry soft cloth, and then apply G-63 to it.
Refer to Section 4.1.3.
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