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RESTRICTED USE ONLY Fargo Electronics, Inc.
HDP 800 Series Card Printer/Encoders Service Manual (Rev. 5.0)
438
Section 8: Board Level Diagnostics
The purpose of this section to provide the User with specific Board Level Diagnostic
procedures for Board Errors and Sensor Testing for the HDP 820 Card Printer.
Board Errors
Resolving the EE Memory Error
Symptom: An error has occurred in the permanent circuit memory.
Step Procedure
1 Reboot the Printer.
2 If the problem persists, the Main Print Board will need to be replaced. See
Replacing the Main Print Board (A000271)
procedure in Section 5, page 367 for
instructions.
3 As an alternative to replacing the Main Print Board, the chip U16 (080239) may
be replaced. (Note: Fargo recommends that only a qualified electronics
technician perform this procedure.)
Resolving the EE Checksum Error
Symptom: An error has occurred in the permanent circuit memory.
Step Procedure
1 Reboot the Printer.
2 If the problem persists, the Main Print Board will need to be replaced. See
Replacing the Main Print Board (A000271)
procedure in Section 5, page 367.
3 As an alternative to replacing the Main Print Board, the chip U16 (080239) may
be replaced. (Note: Fargo recommends that only a qualified electronics
technician perform this procedure.)