SHARP LPE145 Technical Report

Date: Apr. 16, 1993

LASER PRINTER : JX-9600

No. : LPE-145

TROUBLESHOOTING A NOISE FROM THE
COOLING FAN MOTOR

1.Model name: JX-9600 series laser printers.

2.General: To prevent vibration and resonance, the cure is provided in two steps of makeshift and

permanent.

3.Description: 1. Makeshift action

• Employment of 8 O-rings

• Employment of a plastic washer

Mesh sheet

Power supply unit chassis

4.Action: Since December 1992.

O-ring x 8 (new)

Fan motor

Plastic washer (new)

Screw, M3x35

Ozone filter cover

SHARP CORPORATION Printer and Scanner Division

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Orange

C

2. Permanent action

• Discontinued use of 8 O-rings

• Discontinued use of the plastic washer

• Use of a screw with a new length

• Employment of a fan motor sheet

O-ring x 8 (new)

Plastic washer (new)

Screw, M3x35

Power supply unit chassis

Screw lock paint

Power supply chassis

Fan metallic net

Ozone filter cover

Mesh sheet

Fan motor

Screw

Ozone filter cover

Fan motor

Fan motor sheet (new parts)
(PSHEG0093GCZZ)

* When fastening the power supply chassis with the screw, allow it to extend 0 to

0.5mm.

4.Action: Since January 1993.

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