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ESTRICTED USE ONLY Fargo Electronics, Inc.
Persona C10/M10 ID Card Printer Service Manual (Rev. 4.0)
106
Calibrating the Ribbon ID Sensor Board
Step Procedure
1 Remove all external cables from the back of the printer.
2 Remove the ribbon from the printer.
3 Detach the print circuit board, RIP, power boards, and backplate from the printer
baseplate.
4 Remove the two exterior, bottom corner Screws from the backplate and the two
Screws from each side of the power board.
5 Guide the Circuit Board carefully away from the baseplate.
6 Rest the circuit board assembly on the back plate; the connecting wires should be
long enough to accommodate this procedure. Keep the bottom side of the power
board from touching any bare metal of the printer’s chassis. Use a piece of
masking tape against the edge of the baseplate if necessary.
7 Attach the printer Desktop Transformer to a switched power strip; turn the power
strip off.
8 Attach the Desk Top Transformer output cable to the printer. See related Safety
Messages.
9 Locate the J10 connector on the Print Circuit Board Assembly.
10 Set the digital volt meter to measure low-level dc voltage — in the range of + 0.01
to + 1.00 V dc.
11 Attach the black test lead of the meter to the bare metal back plate of the circuit
board.
12 Touch the red test lead to the lead on the left side on the R35 resistor.
13 Turn on the switched power strip to apply power to the printer.
Continued on the next page