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Phaser 6280 Color Laser Printer Service Manual
3-89
Error Messages and Codes
4
1. Reseat Tray 3.
2. Does the error still occur?
Go to step 5.
Complete.
5
1. Check the No Paper Actuator.
2. Does the Actuator operate
smoothly?
Go to step 6.
Replace the
Tray 3 Feeder
Assembly
(page 8-107).
6
1. Perform the Tray 3 No Paper test
Service Mode
>
Engine Diag
>
Sensor Test
>
Tray 3
No Paper
.
2. Does the number on the Control
Panel increase by 1 every time the
Actuator is activated?
Replace the
MCU Board
(page 8-86).
Go to step 7.
7
1. Check the wiring harness
connectors P/J421, P/J4212, and P/
J42121 between the No Paper
Sensor and the Tray 3 Feeder Board.
2. Are the connectors securely
connected?
Go to step 8.
Reconnect the
connectors.
8
Check the C2 Chute Harness for
continuity.
1. Disconnect P/J421 from the
Optional Feeder Board and P/J4212
from the C2 No Paper Harness.
2. Check continuity between P/J421
<=> P/J4212.
Go to step 9.
Replace the
Optional Sheet
Feeder
(page 8-100).
9
Check the C2 No Paper Harness for
continuity.
1. Disconnect P/J4212 from the C2
Chute Harness and P/J42121 from
the No Paper Sensor.
2. Check continuity between P/J4212
<=> P/J42121.
Go to step 10.
Replace the
Tray 3 Feeder
Assembly
(page 8-107).
10
Check the No Paper Sensor signal.
1. Disconnect P/J421 from the MCU
Board.
2. Is there +3.3 V across ground <=>
J421-3 pin?
Go to step 11.
Go to step 12.
11
Check the No Paper Sensor for
operation.
1. Measure the voltage across ground
<=> J421-5 pin.
2. Does the voltage change when the
No Paper Actuator of the No Paper
Sensor is activated?
Go to step 12.
Replace the No
Paper Sensor
(page 8-109).
Troubleshooting Procedure Table (continued)
Step
Actions and Questions
Yes
No
Содержание Phaser 6280
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