Ricoh FW870 Technical Bulletin

RICOH TECHNICAL BULLETIN

Model: Whale Date: 28-Feb-97
Subject: Service Manual Correction Prepared by: H. K.
From: QAC 1st Field Information Dept. Checked by: T. Inoue

Classification:

1. BLOWN FUSE TABLE (service manual page 6-15)

The fuse numbers in the table of the power supply unit for the U. S. A. version are
incorrect. The wattage of the fuse (F201) in the ac drive board table is incorrect. Please
correct your service manual as follows:

Power Supply Unit
U. S. A. version

Troubleshooting
Mechanical
Paper path
Other ( )

Part information
Electrical
Transmit/receive

No: 001

Action required
Service manual revision
Retrofit information

1/2

Incorrect

Correct

Fuse No. Specification Symptom

FU1
FU2

FU3
FU4

Fuse No. Specification Symptom

FU301
FU302

FU303

125V 8A No power.

125V 6.3A No indication and beeper

sounds if 2 or more fuses

are blown
125V 6.3A
125V 6.3A

125V 8A No power.

125V 6.3A No indication and beeper

sounds if 2 or more fuses

are blown
125V 6.3A

FU304

125V 6/3A

RICOH TECHNICAL BULLETIN

Model: Whale Date: 28-Feb-97 No: 001 2/2

AC Drive Board
Incorrect

Fuse No. Specification Symptom

Correct

F201 120V 15A

(U. S. A. version only)

Fuse No. Specification Symptom

F201 250V 15A

(U. S. A. version only)

No power.

No power.