6-26 Removal and Replacement
Upper Printer Sensors
Card Input Sensor
Removal Procedure
1. Turn off the printer and unplug the power cord.
2. Remove the ribbon cartridge and cleaning roller.
3. Remove the
Main Enclosure (page 6-15).
4. Gently press the side of a screwdriver against the tip of the sensor (removal
access slot shown below) and push it out of the chassis. Only when the sensor
cannot be pushed out any further is it okay to pull the sensor out with the
wires.
5. Unplug the connector from the main control board.
Replacement Notes
• When pushing the sensor back into position, use a blunt tool and push only on
the top tab, bottom tab, or the center of the body. Do not push against the wire
entry points or crush the wires.
• Make sure the sensor is fully seated. The tip of the sensor should be flush with
the edge of the chassis.
• Refer to the Print Engine Front Wire Routing Diagram and Print Engine Cable
Connection Diagram for replacement details.
• Use Diagnostics to pick cards to verify that the sensor is functional.
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