Service manual

REV.-A

Flowchart (1) abnormal operation at power on

WARNING

Do not touch the heat sink attached to the FET

(Ql)

when the printer is powered.

If you touch the heat sink, you may suffer from electric shock.

START

Use the correct AC input voltage.

Voltage range: 103.5-132 V

Voltage range: 198-264

(No

fluctuation from the

recommended AC voltage range

is permitted.)

Replace the fuse and disconnect

CN14 on the BOARD

ASSY.,

Measure the VP (+35

VDC)

pin 10,

CN2

of the BOARD

ASSY.,

C076

PSB/PSE.

+Yes

Measure the VL (+5

VDC)

at pin 1,

CN2

of the BOARD ASSY.,

C076

PSB/PSE.

●

END

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