Oki OKIFAX 5750 Service Manual page 552

5.2.2 Measurement
1
Turn the AC power OFF.
2
Carry out the disassembly procedure up to Cover assembly-top, Frame assembly-scanner, and Unit-printer.
(Refer to the Mechanical Disassembly and Reassembly in Chapter 4.)
3
Connect extension cables to the R51 board.
4
Connect the frequency counter (for clock frequency), digital voltmeter (for power voltage) and Oscilloscope (for SIG signal). See figure
5.2.1 below.
5
Turn AC power ON. Main power supply is set to "ON" (PC1 ON) by loading the document on the cover-top. (except +5V SUB)
6
Measurement
7
Turn the AC power OFF.
8
Reverse the disassembly procedures.
Service Guide OKIFAX 5750/5950
Chapter 5 Adjustments
Page: 198