Epson R320 - Stylus Photo Color Inkjet Printer, Service Manual

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EPSON Stylus Photo R320 Revision B
TROUBLESHOOTING Unit Level Troubleshooting 16
At operation
-
When feeding paper, the leading edge of
paper is detected properly, but the paper
is ejected without being set at the print
start position.
ASF Assy.
1. Check if "Roller, Retard Assy." operates properly while
feeding paper.
1. Reassemble "Extension Spring, 0.45" located
the rear side of "Roller, Retard Assy.".
"PF Motor" and "Spur Gear, 37.242"
rotate properly, but "Holder, Shaft, LD
Roller" does not feed paper. (The
driving of "PF Motor" is not transmitted
to "Holder, Shaft, LD Roller".)
Holder, Shaft,
LD Roller
1. Check if "Extension Spring,0.143" in "Clutch
Mechanism" has not come off.
2. Check if "Clutch" has not come off from the dowel of
"Shaft, LD Roller".
3. Check if "Clutch Tooth" is not damaged.
4. Check if "Clutch" is not damaged.
1. Reassemble "Extension Spring, 0.143" in
"Clutch Mechanism".
2. Reassemble the round portion of "Clutch" on
the dowel of "Shaft, LD Roller".
3. Replace "Holder, Shaft, LD Roller" with a
new one.
4. Replace "Holder, Shaft, LD Roller" with a
new one.
Paper Guide,
Upper
(Only HP side)
1. Check if "Paper Guide, Upper" (only HP side) has not
come off from "Main Frame".
1. Reassemble "Paper Guide, Upper" to "Main
Frame".
Table 1-6. Check Points for Paper Out Error to Each Phenomenon
Occurrence Timing
Position of CR
Phenomenon Detail
Faulty Part/
Part Name
Check Point Remedy
Extension
Spring, 0.45
Clutch Tooth
Extension Spring, 0.143
Dowel of "Holder, Shaft, LD Roller"