
RESTRICTED USE ONLY
Fargo Electronics, Inc.
DTC400/DTC300/DTC300M Card Printer Service Manual (Rev. 1.3)
5-41
Diagnosing Image Problems
Resolving the Pixel Failure problems
All Troubleshooting procedures assume that only factory-authorized supplies are in use in
the Printer.
Step Procedure
1
Review the following information.
•
Symptom:
A thin line or scratch travels the entire length of the card (See
sample image below).
•
Printer Error State:
None
•
LCD Error Display:
None
•
Driver Monitor Error Display:
None
2
Check the card stock for scratches. Replace the cards (as needed).
3
Examine the Printhead for visible damage.
4
Clean the Printhead. See the
Cleaning the Printhead
procedure.
5
Replace the Printhead if the problem persists. See
Replacing the Printhead
Assembly (D900023)
.