Toner Sensor Board; Disconnecting The Led Power Harnesses - Tektronix 1235N - Phaser Color Laser Printer Service Manual

Toner sensor board

Warning Switch off the power and disconnect the power cord.
1. Remove the top cover as detailed on "Top cover" on page 87.
2.
Disconnect the four LED power harnesses from the toner sensor board.

Disconnecting the LED power harnesses

3.
Close the top cover inner unit.
4. Remove the four screws securing the metal shield over the toner sensor
board.
5.
Remove the three screws securing the toner sensor board.
6. Rotate the board up to expose the component side of the board.
Note Note for reassembly how the ribbon cables are routed under the
sensor board in the next step.
7.
Disconnect the PANEL, OPTN, STUCK, and POWER harnesses from
the toner sensor board.
Service Guide 111