Ricoh FT4480 Field Service Manual page 68

- IMAGE DENSITY SENSOR/PTL REMOVAL -
1. Open the right and left front doors.
2. Remove the development unit [A].
3.
Slide out the image density sensor/PTL [B].
4. Clean and reinstall the ID sensor/PTL.
NOTE: -
When sliding in the ID sensor/PTL board, make sure that the board is
properly located on the rails as shown.
5. Reinstall the development unit.
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15 MARCH 1987