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DTC500 Series Card Printer/Encoders Troubleshooting Guide (Rev. 3.0)
58
Replacing the Printhead Components
Replacing the Printhead Assembly (850102)
Tools Required: Phillips-head Screwdriver
Step Procedure
1 Before removing the Old Printhead Assembly, follow this procedure:
a. Print a test card with the current Printhead by selecting MENU from the front
display panel, then selecting [Print Test Image] and then selecting
[Gray/Align YMC/K]. See the Printing the Self-test
in page 190. (Note: This
provides a card to use as a guide for when printing test cards with the new
Printhead.)
b. Record the R-value from the white label attached to the new Printhead.
(Note: This label can be found beneath the Printhead mounting bracket
located in the mid-section of the Printhead Assembly.)
Locate the value labeled R=XXXX, where XXXX are numbers that represent
the average resistance value of the Printhead.
Example: R=3400
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