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RESTRICTED USE ONLY Fargo Electronics, Inc.
HDP 800 Series Card Printer/Encoders Service Manual (Rev. 5.0)
129
Resolving the Registration problems
Symptom: Colors are shifted slightly in the image creating colored edges or poor resolution.
Step Procedure
1 Calibrate the Upper Film Sensor (to ensure proper calibration).
a. Position the HDP Film so that a clear portion is between the slotted optical
Sensor.
b. Turn the potentiometer on the Sensor Board with a small slotted screwdriver
until the LED on the Sensor Board turns ON.
c. Back the potentiometer OFF slowly until the LED just turns OFF.
(Note: Ensure that when performing this procedure that there is no direct light
shining into the Printer. Excessive ambient light in the vicinity of the Printer may
also affect the calibration of the Sensor.)
2 Adjust the Ribbon Tension by +1 and print a sample card.
• If symptoms appear better, continue adjusting until registration problems are
gone.
• If symptoms appear worse, adjust the ribbon tension by –1 and print a self-
test.
• If symptoms appear better, continue adjusting until registration problems are
gone.
3 Reposition the Film Drive Motor.
a. Loosen the screws that hold the Film Drive Motor located in the middle
Module and pull the motor back against the belt.
b. Hold the motor there and tighten the screws that hold the motor in place in
this new position.
Continued on the next page