Xerox Phaser 7100

Error Troubleshooting
Phaser 7100 Service Manual Xerox Internal Use Only2-272
Option I/F Failure: Feeder Detected
Communication error between the IOT and the Tray, or between the IOT and the Duplex Unit.
Applicable Fault Code
• 077-322: Option Comm Fail
Initial Actions
• Power cycle the printer.
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
• Duplex Harness Assembly, PL 4.2.18
• MCU PWB, PL 12.1.15
• Main Harness Assembly, PL 12.3.1
• Option Harness Assembly, PL 12.3.5
• Duplex PWB, PL 14.3.8
• Duplex Relay Harness Assembly, PL 14.3.19
•Option Feeder 1 Relay Harness Assembly, PL 15.2.30
• Feeder PWB, PL 15.2.33
• Duplex on page 7-62
• 550-Sheet Feeder on page 7-64
Troubleshooting Procedure
Step Actions and Questions Yes No
1. Turn Off the printer.
Remove the Duplex Unit (REP 14.1 Duplex Unit
on page 4-249).
Power On the printer.
Does the error persist?
Go to step 2. Go to step 6.
2. Check the connection between the Feeder PWB
and MCU PWB.
Are the connectors P/J419, P/J4611, and P/J461
connected securely?
Go to step 3. Connect the
connectors P/J419,
P/J4611, and P/J461.
3. Check the conductivity between the Feeder PWB
and Relay Connector.
Is the connection between P/J419 <=> P/J4611
conducting properly?
Go to step 4. Replace the Option
Feeder 1 Relay Harness
Assembly (REP 15.21
Option Feeder 1 Relay
Harness Assembly on
page 4-284).