3-18 Phaser 6300/6350/6360 Color Laser Printer Service Manual
Error Messages and Codes
3 Check the Registration Sensor
connection.
Is the Registration Sensor connected
to the harness?
Go to Step 4. Connect the
sensor.
4 Check all pins of the REGISNR Harness
PL4.1.4 for continuity.
1. Disconnect P/J181 and P/J18.
2. Check continuity between J181 <=>
J18.
Go to Step 5. Replace the
Registration
Sensor
Harness.
5 Check the Registration Sensor signal.
Block the Registration Sensor.
Verify the voltage between P/J18-3
<=>
P/J18-2 on the Engine Control Board is
0 VDC.
Replace
Registration
Sensor
(
page 8-39).
Go to Step 6.
6 If possible, print a Test Print from
Tray 1 (MPT).
Does the Main Motor function
properly?
Go to Step 16 Go to Step 7
7 Test the Main Drive Assembly.
Run the Service Diagnostics Main
Motor test.
Does the Main Motor turn?
Replace the
Engine Control
Board
(
page 8-106).
Go to Step 8.
8 Check for +24 V to the Main Drive
Motor
1. Disconnect P/J481.
2. Close the Interlock Switch while
testing.
Is there +24 V across J481-10 <=>
J481-8?
Go to Step 12. Go to Step 9.
9 Test the Interlock Switch.
Run the Service Diagnostics Interlock
Switch test.
Does the Interlock Switch function
correctly?
Go to Step 11. Go to Step 10.
10 Check for +5 V to the Interlock Switch
Disconnect P/J161.
Is there +5 V across P161-1 <=> P161-
2?
Replace the LVPS. Replace the
Interlock Switch
(
page 8-102).
11 Check FAN/PHD/MOT Harness
continuity.
1. Disconnect P/J48 and P/J481.
2. Check continuity between J48 <=>
J481
Replace Main
Drive Motor
Replace FAN/
PHD/MOT
Harness.
Troubleshooting Procedure Table (Continued)
Step Actions and Questions Yes No