Epson 820 All in One Printer User Manual


 
EPSON Stylus PHOTO 810/820/830 Revision B
Troubleshooting Unit Level Troubleshooting 75
Operation
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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.
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.
PF motor *
1. Check if the CR motor connector cable is connected to
CN7 on the Main board.
2. Check if the coil resistance of the CR motor is about 6.0
ohm by using the tester. Refer to Table 3-1.
3. Check if the CR motor connector cable is damaged.
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.
The LD roller cannot pick up a paper
although the LD roller attempt to rotate
correctly.
Holder shaft unit
1. Check if the any paper dust is adhered to the surface of the
LD roller.
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.
*If the problem is not solved, replace the
Holder shaft unit with new one.
* 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.
Table 3-9. Check point for the paper out error according to each phenomenon
Occurrence
timing
CR position
Detailed phenomenon
Defective
unit/part name
Check point Remedy
LD roller
Paper return plate
LD roller
Non-adhesive Area
(Use a post card
for the base sheet)
Staplers
Cloth moistened
with alcohol
CL Sheet
Adhesive Area
This side down