Service Manual
3.9 Replacing the Gap/Black Mark Sensor Module
1. Refer to section 3.1 to remove the electronics cover.
2. Disconnect the gap/black mark sensor connector from the main board.
3. Open the printer right side cover.
4. Pull the media sensor module to the end of mechanism.
5. At the bottom of the gap/black mark sensor module, there is a green plastic tab to latch
the sensor module to the mechanism. Push up the tab then pull out the gap/black mark
sensor module.
6. Remove/Replace the gap/black mark sensor.
7. Reassemble the parts in the reverse procedures.
Gap/black mark
sensor connector
PUSH UP
TAB
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