Xerox Phaser 6300 Service Manual page 125

Troubleshooting Procedure Table (Continued)
Step Actions and Questions
3 Test the Drive Motor.
1. Close the Interlock Switch while testing.
2. Run the Service Diagnostics HCF/LTA Motor
test.
Does the Drive Motor function correctly?
4 Check for +24 V to the Drive Motor.
1. Disconnect P/J82.
2. Close the Interlock Switch while testing.
Is the voltage between P82-1 <=> ground on
the OPTFDR Board +24 V?
5
Check for +24 V to the OPTFDR 1 Board.
1. Disconnect P/J83.
2. Close the Interlock Switch while testing.
Is the voltage between P83-3 <=> P83-4 on the
OPTFDR Board +24 V?
6 Check the Feeder Interface continuity.
1. Disconnect P/J171 or P/J172 and P/J83.
2. Check continuity between J171/2 <=> P83
7
Replace the Drive Assembly.
Does the error persist?
8
Perform Steps 1 through 3 on page 8-113.
1. Open and close the front door.
2. Observe the Turn Roller.
Does the Turn Roller turn while the printer is
warming up?
9 Test the Turn Clutch.
1. Close the Interlock Switch while testing.
2. Run the Service Diagnostics Turn Clutch
test.
Does the Tray 3 Turn Clutch function correctly?
10 Check for +24 V to the Turn Clutch.
1. Disconnect P/J825
2. Close the Interlock Switch while testing.
Is there +24 V across P825-2 <+>ground?
11
Check all pins on the OPFDR Harness
PL11.3.24 for continuity.
1. Disconnect P/J85 and P/J825.
2. Check continuity between J85 <=> P825.
3-24 Phaser 6300/6350 Color Laser Printer Service Manual
Yes
Replace the
Engine Control
Board
(page 8-104).
Go to Step 7.
Replace the
OPTFDR Board.
Go to Step 7.
Go to Step 8.
Go to Step 13.
Check the Clutch
for slipping or the
gear for damage.
Go to Step 11.
Go to Step 12.
No
Go to Step 4.
Go to Step 5.
Go to Step 6
Replace the
OPFREC
Harness.
Complete
Go to Step 9.
Go to Step 10.
Replace the
OPTFDR 1
Board.
Replace the
OPFDR
Harness.