Epson Stylus Photo R310 Service Manual page 19

EPSON Stylus Photo R300/R310
Occurrence
Timing Phenomenon Detail
Position of CR
"Carriage Unit" moves to the home
position properly when turning on the
At operation
power. Then paper feeding operation is
Out of HP
performed normally, but paper is not
sent into the printer.
When feeding paper, the leading edge of
paper is detected properly, but the paper
is ejected without being set at the print
start position. At this time, the next
paper is fed to "PE Sensor Lever".
At operation
-
The leading edge of paper does not go
through between "Roller EJ Assy." and
"Star Wheels".
TROUBLESHOOTING
Table 1-7. Check Points for Paper Jam Error to Each Phenomenon
Faulty Part/
Part Name
1. Check if "Torsion Spring, 0.22" for "PE Sensor Lever" is
not unfastened.
PE Sensor* 2. Check if "PE Sensor Cable" is correctly mounted on
"Holder, Shaft, LD Roller".
1. Check if "Roller, Retard Assy." operates properly while
feeding paper.
ASF Assy.
1. Check if "Star Wheels" have not come off.
2. Check if "Frame EJ Assy." is correctly assembled.
Frame EJ Assy.**
3. Check if "Frame EJ Assy." is not transformed toward
downward.
1. Check if "porous pad" of "Paper Guide, Front" has not
Paper Guide, Front
come off.
1. Check if "Roller EJ Assy." is correctly assembled.
2. Check if "Spur Gear, 41.48" has not come off.
Roller EJ Assy.
Unit Level Troubleshooting
Check Point
1. Reassemble "Torsion Spring, 0.22".
2. Remount "PE Sensor Cable" correctly.
1. Reassemble "Extension Spring, 0.45" back of
1. Reassemble "Star Wheels" correctly.
2. Reassemble "Frame EJ Assy." correctly.
3. Replace "Frame EJ Assy." with a new one.
1. Remount "porous pad" correctly.
1. Reassemble "Roller EJ Assy." correctly onto
2. Reattach "Spur Gear, 41.48" to "Roller EJ
Spur Gear, 41.48
Revision A
Remedy
"Roller, Retard Assy."
Extension
Spring, 0.45
"Printer Mechanism".
Assy." correctly.
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