Rap 2.10 Improper/No Document Feed Through Scanner; Rap 2.11 Multiple-Sheet Feeds By Adf - Xerox Telecopier 7033 Service Manual

RAP 2.10 Improper/No
Document Feed
through Scanner
1. Open the scanner, and inspect document
path for obstructions. Document path is
clear of obstructions.
Y N
| Remove obstruction.
2. Manually actuate the ADF document
sensor and scan position sensor. Sensor
arms move freely.
Y N
| Repair/replace sensor.
3. Check the platen roller and input/output
idler rollers for smooth rotation.
Y N
| Repair/replace roller(s).
4. Perform the following:
a. Disconnect the power cord.
b. Remove the rear cover (REP 4.1.7).
c. Remove the front cover (REP 4.1.4).
d. Set the control panel on its bracket,
and connect P/J190.
e. Connect the power cord, and enter
the service mode.
f. Load approximately five documents
in the document input tray, and
perform Service Test 14, Original
Feed Test.
Scan motor runs when test starts.
Y N
| Replace the main PWB.
problem still exists, replace the
scan motor.
Telecopier 7032 / 7033 Service Manual
5. Observe movement
pulleys, and rollers while documents feed
through scanner.
through scanner normally.
Y N
| Repair/replace faulty belt, gear,
pulley, and/or roller.
6. Perform the System Check.
If the
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RAP 2.11 Multiple-Sheet Feeds
of gears, belts,
Documents feed
8/91
2-23
by ADF
1. Open the scanner, and check the plastic
guide on the retard guide assembly.
Guide is positioned properly and is not
damaged.
Y N
| Repair/replace plastic guide.
2. Perform the following:
a. Clean the retard guide roller.
b. Close the scanner, and enter the
service mode.
c. Load approximately five documents
in the document input tray, and
perform Service Test 14, Original
Feed Test.
Documents feed one at a time through
scanner.
Y N
| Go to Step 4.
3. Perform the System Check.
4. Perform the following:
a. Remove the lower front cover (REP
4.1.4).
b. Enter the service move.
c. Load approximately five documents
in the document input tray, and
perform Service Test 14, Original
Feed Test.
d. Observe the ADF transfer gears and
the retard roller drive gear (Figure 1)
while documents feed through the
scanner.
RAP 2.10, 2.11