Epson Stylus Photo R310 Service Manual page 24

EPSON Stylus Photo R300/R310
Occurrence Timing
Phenomenon Detail
Position of CR
"CR Motor" does not work at all when
turning on the power.
"Carriage Unit" strikes on "Lever,
Change" which is leaning forward when
turning on the power.
At power-on
Out of HP
"Carriage Unit" strikes on "Paper Guide,
Upper" which has come off from "Main
Frame" when turning on the power.
"Carriage Unit" strikes on the right side
At power-on
of "Main Frame" when turning on the
Anywhere
power.
TROUBLESHOOTING
Table 1-11. Check Points for Fatal Error to Each Phenomenon
Faulty Part/
Part Name
1. Check if "CR Motor Connector Cable" is connected to
CN8 on "Main Board".
CR Motor
2. Check if "CR Motor Connector Cable" is not damaged.
1. Check if "PF Motor Connector Cable" is connected to
CN9 on "Main Board".
PF Motor 2. Check if the resistance of "PF Motor" is approximately
3.0Ω using a tester. Refer to Table 1-1.
3. Check if "PF Motor Connector Cable" is not damaged.
1. Check if "Compression Spring, 2.36" of "Lever, Change"
has not come off.
Ink System
Compression Spring, 2.36
1. Check if "Paper Guide, Upper" has not come off from
"Main Frame".
Paper Guide,
Upper
1. Check if "CR Scale" has not come off or it properly
passes through the slit of "CR Encoder Sensor Board".
CR Scale
Unit Level Troubleshooting
Check Point
Lever, Change
Paper Guide, Upper
Revision A
Remedy
1. Connect "CR Motor Connector Cable" to
CN8 on "Main Board".
2. Replace "CR Motor" with a new one.
1. Connect "PF Motor Connector Cable" to CN9
on "Main Board".
2. Replace "PF Motor" with a new one.
3. Replace "PF Motor" with a new one.
1. Replace "Ink System" with a new one.
1. Reassemble "Paper Guide, Upper" to "Main
Frame".
1. Reassemble "CR Scale" correctly.
* If the problem is not solved, replace
"Main Board" with a new one.
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