Oki B 4100 Maintenance Manual page 434

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OLHV/TLHV Circuit Diagram (2/2)

This circuit consists of photo-sensors and high voltage generation unit.

Note: If the high-voltage unit inside the OLHV/TLHV circuit board is replaced, the output voltage and

current output from the terminals must be checked and adjusted. This section does not describe

the checking and adjustment methods, however.

HIGH VOLTAGE

High voltage outputs are connected to the contact ass'y as shown below:

40055101TH Rev.4

You may be subjected to high-voltage electric shock by touching the

following parts without an insulating material:

a. High-voltage unit

b. Contact ass'y

Troubleshooting