Ricoh DD 5450, Field Service Manual, Page: 287 / 403

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Chapter 7 Troubleshooting Guide
(38) “E037” is displayed
Procedures Cause/Detective section Items to be checked Result Countermeasure
1 EEPROM
Is the mounted EEPROM for
another model with different
resolution?
YES Mount the standard EEPROM.
NO Follow the procedure 2.
2
Does CN8 on the main PCB unit
have poor connector connection?
YES Securely connect the connector.
Main PCB unit NO Replace the main PCB unit.
(39) “E038” is displayed
Procedures Cause/Detective section Items to be checked Result Countermeasure
1
Is the wiring harness of the main
PCB unit securely connected?
NO Securely connect the connector.
Main PCB unit YES Replace the main PCB unit.
(40) “E039” is displayed
Procedures Cause/Detective section Items to be checked Result Countermeasure
1
Is the wiring harness of the main
PCB unit securely connected to the
relay PCB unit?
NO Securely connect the connector.
YES Follow the procedure 2.
2
Relay PCB unit
Does replacing the relay PCB unit
solve the problem?
YES Finish
Main PCB unit NO Replace the main PCB unit.
1