Ricoh ap204 ap204/service.man/r_pomelo

		Technical Bulletin					PAGE: 1/1
Reissued: 30-Jun-99
Model: Pomelo				Date: 30-Apr-99			No.: RG033001a
RTB Correction
The items in bold italics have been corrected or added.
Subject: Detailed Self -diagnostics Error					Prepared by: H. Someya
From: Technical Service Dept., GTS Division
Classification:	Troubleshooting		Part information			Action required
	Mechanical		Electrical			Service manual revision
	Paper path		Transmit/receive			Retrofit information
	Other (	)

Symptom:

When the detailed self-diagnostics is executed if an optional memory board (16MB or 32 MB) is not installed in the main unit, the following error message appears on the LCD and the machine stops the diagnostics.

In power-up self-diagnostics mode, this problem does not occur.

0	0 F	F
9	F C	0 B 4 A 4

Cause:

Software bug

Possible Unit:

G033-17: P0690100001 – 348

G033-27: P0690100349 – 648

Solution in the field:

Before executing the detailed self-diagnostics, install an optional memory board temporarily.

Solution on the product line:

The firmware for the controller has been changed from the following version.

Controller firmware version: 1.0.1

Controller part number (suffix): G0335701B

		Technical Bulletin					PAGE: 1/1
Model: Pomelo				Date: 30-Apr-99			No.: RG033002
Subject: Service Manual Correction					Prepared by: H. Someya
From: Technical Service Dept., GTS Division
Classification:	Troubleshooting		Part information			Action required
	Mechanical		Electrical			Service manual revision
	Paper path		Transmit/receive			Retrofit information
	Other (	)

Please correct the following paragraph on page 4-7 of the service manual.

Incorrect:

This procedure displays, for each of the maintenance parts, the number of printouts (or toner images in the case of the belt counter) remaining before replacement is required.

These counters can also be seen by printing the engine maintenance page with controller SP mode S1.

Correct:

This procedure displays, for each of the maintenance parts, the counter value at which each of them is required (this is toner images in the case of the belt counter). These counters can also be seen by printing the engine maintenance page with controller SP mode S1.

RICOH

Technical Bulletin

PAGE: 1/1

Model: Pomelo				Date: 15-Aug-99			No.: RG033003
Subject: Uneven or faint image / SC41					Prepared by: H. Someya
From: Technical Service Dept., GTS Division
Classification:	Troubleshooting		Part information			Action required
	Mechanical		Electrical			Service manual revision
	Paper path		Transmit/receive			Retrofit information
	Other (	)

Symptom:

·Uneven or faint image

·SC41 appears.

Cause:

Dust entering from the holes in the base adheres to the 2nd mirror over time.

Solution in the field:

1.Remove the optical unit and clean the 2nd mirror with an optical cloth.

2.Use tape to block the 6 holes in the base.

3.Reassemble the machine.

2nd mirror

Back of optical unit	6 holes

Solution on the production line:

Polyester tape has been attached to block the 6 holes in the base (effective as of February production runs).

The following polyester tape has been registered as a service part.

·Part Number: V126239

·Description: Polyester Tape – 20 pcs

Note: The above part contains 20 pieces of tape (as one set).

RICOH

Technical Bulletin

PAGE: 1/2

Model: Pomelo				Date: 15-Aug-99			No.: RG033004
Subject: SC76 (belt slips to the side)					Prepared by: H. Someya
From: Technical Service Dept., GTS Division
Classification:	Troubleshooting		Part information			Action required
	Mechanical		Electrical			Service manual revision
	Paper path		Transmit/receive			Retrofit information
	Other (	)

If SC76 occurs, take the following action:

1.Install the machine on a stable and level surface.

2.Place the three wedges that have been packed together with the machine under each of the three feet.

3.If SC76 still occurs, attach the spacer to the machine according to the following procedure.

Procedure for attaching the spacer:

1.Remove the belt cartridge.

2.Measure the gap L between side plate and OPC belt as shown in diagram 1.

3.Do one of the following actions depending the length of gap L:

Gap L (mm)	Required action
0 – 3	Attach one spacer to the bearing on side A as shown in diagrams 2
	& 3.
3 – 7	No action necessary
7 - 10	Attach one spacer on the bearing on side B as shown in diagrams
	2 & 3.

Note: Clean the area of the bearing where the spacer will be attached with a cloth.

4.Install the belt cartridge and the turn on the machine.

5.Measure gap L after the machine has finished warming up.

6.If gap L is 3 mm to 7 mm, this procedure is complete. If gap L is less than 3 mm or more than 7 mm, repeat this procedure from step 3 (attach one more spacer).

Note: Do not attach more than 2 spacers.

gap L

Diagram 1