Xerox Phaser 6600 Service Manual page 274

Error Troubleshooting
024-340 IOT Firmware Error
Step Check
Possible causative parts:
• MCU Board (PL18.1.13)
1 Check the version of the MCU Board firmware
Is the MCU Board firmware of the latest version?
041-340 IOT NVRAM Error
Step Check
Possible causative parts:
• MCU Board (PL18.1.13)
1 Check the EEPROM connection
Is the ERPROM on the MCU Board installed properly?
004-310 IOT Feeder I/F Failure
072-211 IOT Option Feeder2 Failure
Step Check
Possible causative parts:
• Main Harness Assembly (PL18.2.3)
• Drawer 1 Feeder Harness Assembly (PL10.1.13)
• 550 Option Feeder Board (PL10.1.10)
• MCU Board (PL18.1.13)
1 Check the connections between the 550 Option Feeder
Board and the MCU Board
Are P/J27, DP/DJ271, and P/J419 connected securely?
2 Check the continuity between the 550 Option Feeder Board
and the drawer connector
Is each cable of P/J419<=>DP/DJ271 continuous?
3 Check the continuity between the MCU Board and the
drawer connector
Is each cable of P/J27<=>DP/DJ271 continuous?
4 Check after replacing the 550 Option Feeder Board
Replace the 550 Option Feeder Board.
Does the error still occur?
2-178 Phaser 6600 and WorkCentre 6605
Service Manual
Yes No
Replace the MCU Upgrade the
Board. firmware of the
MCU Board.
Yes No
Replace the MCU
Board. EEPROM PWB
Yes No
Go to step 2. Connect P/J27,
DP/DJ271, and
P/J419 securely.
Go to step 3. Replace the
Drawer 1 Feeder
Go to step 4. Replace the
Main Harness
Replace the MCU
Board.
Xerox Internal Use Only
Install the
properly.
Harness
Assembly.
Assembly.
Finished.