Xerox Telecopier 7033, Service Manual

Page: 40 / 286

RAP 2.13 Area #2 Paper Jams
1. Perform the following:
a. Open the printer, and ensure the
donor film cartridge is properly
seated on the supports.
b. Check for paper path obstructions in
the donor film area and under the
scanner.
Paper path is clear of obstructions.
Y
N
| Remove obstruction.
2. Inspect the pressure roller and the input/
output idler rollers. Rollers are clean,
properly mounted, and are not worn.
Y
N
| Clean/replace roller(s).
3. Perform the following:
a. Enter the service mode, and perform
Test 16, Sensor Test.
b. Partially open the printer cover, and
actuate and deactuate the area #2
jam sensor.
Test indication (PRP) changes when
sensor is actuated and deactuated.
Y
N
| Replace the area #2 jam sensor.
If the problem still exists, replace
the main PWB.
4. Perform a copy operation. The printer
motor runs at the beginning of the copy
operation.
Y
N
| Replace the printer motor. If the
problem still exists, replace the
main PWB.
5. Check/replace the pressure roller driver
belts/gears.
RAP 2.14 Area #3 Paper Jams
1. Perform the following:
a. Remove the document and copy
output trays.
b. Open the printer, and remove the
donor film cartridge.
c. Check the paper path below the
scanner for obstructions.
Paper path is clear of obstructions.
Y
N
| Remove obstruction.
2. Inspect the paper output roller #1, paper
output roller #2, and the idler rollers on
the lower paper chute assembly. Rollers
are clean, properly mounted, and are not
worn.
Y
N
| Clean/replace roller(s).
3. Perform the following:
a. Enter the service mode, and perform
Test 16, Sensor Test.
b. Partially open the printer cover, and
actuate and deactuate the area #3
jam sensor. (The sensor can be
reached with a small screwdriver
through the left side of the terminal.)
Test indication (PJ2) changes when sensor
is actuated and deactuated.
Y
N
| Replace the area #3 jam sensor.
If the problem still exists, replace
the main PWB.
4. Check/replace the paper output roller
driver belts.
RAP 2.15 Improper Thermal
Head Position
1. Perform the following:
a. Enter the service mode, and perform
Test 16, Sensor Test.
b. Open the printer, and remove the
donor film cartridge.
c. Actuate and deactuate the thermal
head position sensor.
Test indication (THS) changes when
sensor is actuated and deactuated.
Y
N
| Replace the thermal head
position sensor. If the problem
still exists, replace the main PWB.
2. Perform the following:
a. Install the donor film cartridge, and
close the printer.
b. Remove the lower front cover (REP
4.1.4).
c. Inspect the thermal head linkage and
drive mechanism for worn or broken
parts.
Thermal head linkage cam shaft and
driver mechanism components are good
(Figure 1).
Y
N
| Repair/replace faulty
component(s).
3. Replace the main PWB. If the problem
still exists, replace the paper feed motor.
8/91
RAP 2.11, 2.12
2-25 Telecopier 7032 / 7033 Service Manual
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