Xerox Telecopier 7033, Service Manual

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1.2 Repair Analysis Procedures
RAP 1.2.1 Auxiliary Tray Malfunction
1. Remove the paper tray and open the right side cover. Check the
paper path for obstructions.
The paper path is clear.
Y
N
| Remove obstruction.
2. Verify that the drive belt is properly attached to the paper input
roller gear and the auxiliary tray drive assembly (Figure 1).
The belt is properly attached.
Y
N
| Attach/replace belt.
Figure 1. Drive belt position
Belt
View rotated 90°
(rear frame, inside
right cover)
Machine
Front
7033-283
3. Perform the following:
a. remove the rear cover from the auxiliary tray assembly.
b. Verify that P/J194 in-line connector is properly connected.
The connection is good.
Y
N
| Repair connection.
4. Inspect the feed shaft rollers, paper input roller, and idler rollers.
Rollers are clean, properly mounted, and are not worn.
Y
N
| Clean/replace rollers.
5. Perform the following:
a. Disconnect the power cord.
b. Disconnect P/J194 in-line connector.
c. On the auxiliary tray side of the connector, measure the
resistance between pin 4 and pin 5 (Figure 2).
Resistance is approximately 0 ohms.
Y
N
| Replace the paper size sensor.
6. Replace the paper feed solenoid. If problem still exists, replace
clutch/spring assembly.
Figure 2. P/J194 Pin locations
Pin 1
6/92
REP 8.4A.2, REP 8.4A.3
8a-2 Telecopier 7032 / 7033 Service Manual
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