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Persona C16 Card Printer Service Manual (Rev. 5.0)
33
Resolving the Blank Output issues (continued)
Step Procedure
4 Check the Printhead connections.
a. Open the top print cover.
b. Remove the two (2) thumbscrews from the Printhead cover plate and remove
the cover plate.
c. Check to ensure that Power and Data Cables (that connect to the printhead)
are properly seated.
d. Remove the Back Cover.
• Ensure that the Printhead Power Cable is properly seated on J11 on the
Power board.
• Ensure that the Printhead Data Cable is properly seated on J13 on the
main board.
5 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 the Pins 1 to 5 of the Printhead power connection on J11.
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, ensure that the Power
Supply for the Printer is outputting 23 to 24 VDC.
• If 22 to 23 volts is read from Pins 1 to 5 on J11, replace the Printhead (as
needed). See the Replacing the Printhead Assembly (820199)
in Section
5, page 166.
e. If the Power Supply is operating properly, replace the Main Board (as
needed). See the Replacing the Front Panel Board Assembly (A000265)
in
Section 5, page 169.