Epson Stylus PHOTO 820 Service Manual page 67

EPSON Stylus PHOTO 810/820
Occurrence
timing Detailed phenomenon
CR position
The LD roller does not attempt to load a
paper during the paper loading sequence.
And also, the PF motor and the Spur gear
60 does not rotate at all.
Operation
-
The LD roller cannot pick up a paper
although the LD roller attempt to rotate
correctly.
* When the Change lever is at the backside of the printer at power on timing, the printer can moves to the stand-by mode even if the PF motor does not rotate.
Troubleshooting
Table 3-9. Check point for the paper out error according to each phenomenon
Defective
unit/part name
1. Check if the Paper return plate disturbs the rotation of
Holder shaft unit *
1. Check if the CR motor connector cable is connected to
PF motor * 2. Check if the coil resistance of the CR motor is about 6.0
3. Check if the CR motor connector cable is damaged.
1. Check if the any paper dust is adhered to the surface of the
Holder shaft unit
Unit Level Troubleshooting
Check point
the LD roller.
LD roller
Paper return plate
CN7 on the Main board.
ohm by using the tester. Refer to Table 3-1.
LD roller.
LD roller
Revision A
Remedy
1. Reassemble the ASF unit to the printer.
1. Connect the PF motor connector cable to
CN7 on the Main board.
2. Replace the PF motor with new one.
3. Replace the PF motor with new one.
1. Set a cleaning sheet in the ASF up side down.
Then holding the top edge, try to load the
paper from the Printer driver. The micro
pearl on the LD roller surface is removed. To
remove severe smear, staple a cloth
moistened with alcohol to a post card and
clean the roller in the same manner.
(Use a post card
Non-adhesive Area
for the base sheet)
CL Sheet
Adhesive Area
Staplers
This side down
Cloth moistened
with alcohol
*If the problem is not solved, replace the
Holder shaft unit with new one.
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