FARGO electronic HDP820 - Manual (Page 104)

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HDP 800 Series Card Printer/Encoders Service Manual (Rev. 5.0) 90
Resolving the Printhead Temp Error Message
Symptom: The Printhead temperature regulator is not functioning properly.
Step Procedure
1 Reboot the Printer.
• If the problem persists, remove the Printhead and ensure that the
Printhead Cables are seated properly.
• Remove the back cover (as needed) to verify the Printhead Cable
connection to the Main Print Board.
2 Replace the Printhead if after checking the Printhead Cable connection at both
the Printhead and the Main Print Board (the error is still displayed on startup).
See the Replacing the Printhead (D840854) procedure in Section 5, page 281.
3 Confirm that the cooling fan above the Printhead is operating properly. (Note:
Upon power up, the fan should run momentarily and shut off.)
4 Replace the Main Print Board if problem still remains.
See Replacing the Main Print Board (A000271) procedure in Section 5, page
367 for instructions.
Resolving the Printer Open Error Message
Symptom: The Printer is operating with the Print and/or Transfer Station open.
Step Procedure
1 Ensure that both the Print and Transfer Stations are completely closed and
that the release lever is secured.
2 If the Print and Transfer Stations are completely closed, check the Sensor
(140107) as described in
Sensor Testing in Section 7, page 440.