FARGO electronic DTC400 - Manual (Page 94)

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DTC400/DTC300/DTC300M Card Printer User Guide (Rev. 1.1) 4-37
Resolving the Blank Output issues (continued)
Step Procedure
6 Ensure that the proper voltage is being applied to the Printhead.
a. Remove the back cover.
b. Using a Digital Voltmeter, connect the negative lead to ground.
c. Probe Pins 1 to 5 of the Printhead power connection on J16.
d. Ensure that a voltage between 22 to 23 VDC is read on each pin.
• If less than 22 volts is read on any of the pins, replace the Printhead.
• If still having issue with blank cards, replace the Main Board. (See the
current DTC400/DTC300/DTC300M User Guide for instructions on
replacing the Main Board in the Parts Replacement Section.)