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EPSON Stylus PHOTO 810/820/830 Revision B
Troubleshooting Unit Level Troubleshooting 69
Paper jam error
Power : On
Error : On
Paper jam
Operation
Outside HP Holder shaft unit
The Torsion spring 0.22 for HP sensor lever comes off.
Refer to Table 3-7
The HP/PE sensor cable is not placed correctly.
-
ASF unit The Compression spring 29.1comes off.
Front frame
The Star wheel comes off.
The Front frame is bent down.
The Front frame is not assembled correctly.
Holder shaft unit The Torsion spring 0.22 for PE sensor lever comes off.
Lower housing The porous pad for the “no margin” printing comes off.
Paper eject roller unit
The Paper eject roller shaft comes off. *
The Spur gear 60 comes off.
Paper guide upper/left The Paper guide upper/left comes off completely.
Table 3-7. Check point for the paper jam error according to each phenomenon
Occurrence
timing
CR position
Detailed phenomenon
Defective
unit/part name
Check point Remedy
Power on
Inside HP
When turning on the power, the CR unit
does not operate at all.
CR motor
1. Check if the CR motor connector cable is connected to
CN12 on the Main board.
2. Check if the coil resistance of the CR motor is about 7.8
ohm by using the tester. Refer to Table 3-1.
3. Check if the CR motor connector cable is damaged.
1. Connect the CR motor connector cable to
CN12 on the Main board.
2. Replace the CR motor with new one.
3. Replace the CR motor with new one.
When turning on the power, the CR unit
collides to the Change lever located to
the front side of the printer.
Holder shaft unit
1. Check if the Paper return plate disturbs the rotation of
the LD roller.
1. Reassemble the ASF unit to the printer.
Table 3-6. Paper jam error condition and possible cause
Error condition
LED indication
STM3 message
Occurrence
timing
CR position at the
power on timing
Unit/Part name Possible cause Check table
LD roller
Paper return plate