Xerox Phaser 6300 - Page 157

3-56 Phaser 6300/6350 Color Laser Printer Service Manual
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
For 550-Sheet Feeder:
■ Paper Size Switch, PL11.2.6
■ Paper Tray, PL11.4.1
■ SIZE Harness, PL11.2.8
■ OPFREC Harness, PL11.1.6
For 1100-Sheet Feeder:
■ Paper Size Switch, PL12.2.6
■ Paper Tray, PL12.6.1
■ SIZE2 Harness, PL12.3.5
■ OPFREC2 Harness, PL12.3.1
■ Paper Size Switch Signals table (page 2-7)
■ 550-Sheet Feeder P/J Locator (page 10-12)
■ 550-Sheet Feeder Tray Wiring (page 10-35)
■ 1100-Sheet Feeder P/J Locator (page 10-10)
■ 1100-Sheet Feeder Tray Wiring (page 10-31)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Check the affected tray for damage:
■ Paper Size Switch, PL11.2.6,
PL12.2.6
■ Paper Size Switch Actuators,
PL11.4.10, PL12.6.10
■ Paper Tray, PL11.4.1, PL12.6.1
Is there any damage?
Replace the
damaged parts.
Go to Step 2.
2
Test the affected Paper Size Switch.
Run the Service Diagnostics Paper Size
Switch test.Use the table on (
page 2-7).
Do the switches function correctly?
Replace the
Engine Control
Board
(
page 8-104).
Go to Step 3.
3
Check the Paper Size Switch signals.
Verify +3.3 V on pins:
P/J821-1 <=> P/J80-4
P/J821-3 <=> P/J80-2
P/J821-4 <=> P/J80-1
Is there +3.3 V when actuated?
Go to Step 4 Replace the
affected Paper
Size Switch
(
page 8-25).
4
Check all pins on the SIZE Harness for
continuity.
1. Disconnect P/J80 and P/J821.
2. Check continuity between J80 <=> J821
Go to Step 5. Replace the
SIZE Harness.
5
Check all pins on the OPFREC Harness for
continuity.
1. Disconnect P/J171 or P/J172 and P/J83.
2. Check continuity between J171/2 <=> P83
Replace the
Engine Control
Board
(
page 8-104).
Replace the
affected
OPFREC
Harness.