Xerox Telecopier 7033, Service Manual

Page: 35 / 286

Components move freely with no
binding.
Y
N
| Repair/replace faulty belt, gear,
and/or pulley.
4. The noise is most noticeable while the
paper is feeding out of the paper tray.
Y
N
| Replace main PWB. If the
problem still exists, replace the
printer motor.
5. Replace the main PWB. If the problem
still exists, replace the paper feed motor.
RAP 2.9 Excessive Motor Noise
During Scan Cycle
1. Perform the following:
a. Disconnect the power cord.
b. Remove the rear cover (REP 4.1.7).
c. Remove the lower front cover (REP
4.1.4).
d. Inspect all belts, gears, and pulleys in
the scan area.
Mechanical components are in good
condition (not broken, not worn, and
free of surface cracks).
Y
N
| Replace defective component.
2. Perform the following:
a. Manually rotate the pulley on the
input drive roller shaft (rear frame).
b. Observe the movement of the gears,
belts, and pulleys in the scan area.
Components move freely with no
binding.
Y
N
| Repair/replace faulty belt, gear,
and/or pulley.
3. Perform the following:
a. Set the control panel on its bracket,
and connect P/J190.
b. Connect the power cord.
c. Load approximately five originals in
the document input tray.
d. Enter the service mode, and perform
Test 14, Original Feed Test.
Scanner operates without excessive
noise.
Y
N
| Replace main PWB. If problem
still exists, replace scan motor.
4. Perform the System Check.
8/91
RAP2.8, 2.9
2-22 Telecopier 7032 / 7033 Service Manual
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