Ricoh TH-C1 Service manual

Technical Bulletin PAGE: 1/1

Reissued: 4-Oct-05

Model: Model TH-C1 Date:

12-Apr-05 No.:

RB156001a

RTB Reissue

The items in bold italics have been added.

Subject: Firmware History - PS3 Prepared by: H.K.

From: 1st Tech. Support Sec. Service Support Dept.

Classification: Troubleshooting

Mechanical

Paper path

Part information

Electrical

Transmit/receive

Action required

Service manual revision

Retrofit information

Other (Firmware History)

This is to inform you of the PS3 firmware history.

Part No. Program name

B7695120

B B7695120B.fwu V1.03 October production ‘05

A B7695120A.fwu V1.02 March production ‘05

- B7695120.fwu V1.01 - February production ’05

(only 12 units for RC).

Symptom Corrected Version

Cannot print Thai/Latin characters using the PS driver. V1.03

Light gray areas on the original appear darker on the printout when 2-bit

mode is used.

V1.02

First release V1.01

echnical

ulletin PAGE: 1/19

Model:

Model TH-C1

Date:

17-May-05

No.:

RB156002

Subject: Notes for Installation Prepared by:

H.K.

From: 1st Tech. Support Sec. Service Support Dept.

Classification: Troubleshooting

Mechanical

Paper path

Part information

Electrical

Transmit/receive

Action required

Service manual revision

Retrofit information

Product Safety Other ( )

CHANGES TO THE TH-C1 SERVICE MANUAL AND INSTALLATION

PROCEDURE

 The following changes were made to the Installation Procedure.

 These changes are highlighted in blue beginning on pg. 4 of this RTB.

1. Interchange Unit Installation (S/M: 1-25)

Please add the following to the service manual

Important:

Make sure to insert both sides of the interchange unit together, so that the unit

is parallel to the machine. If you attach one side at a time, duplex jams or noise

from the interchange unit can occur.

Interchange Unit

2/19

2. Fax Unit Installation



Accessory Check (S/M: Page 1-1, I/P page 5/19)

Please add the following parts to the accessory list. The I/P will be revised from the

next printing.

12 Telephone Line (NA only) 1

13 FCC Decal (NA only) 1

14 Serial Number Decal 1

 ServiceManual:Step 19,pg. 1-5 (Installation ProcedureStep 19, pg. 10/19)

Pleaseadd the following noteto Step 19.

“SRAM has been formatted” is displayed after you turn on the main switch. Turn

the main switch Off and On to use the machine.

3/19

3. G3 Interface unit installation



Accessory Check (S/M: Page 1-7, I/P page 12/19)

Please add the following part to the accessory list.

8 FCC Decal (NA only) 1

The number of screws should be corrected (5 7).

3 Screws 7

 ServiceManual:Step 9,pg. 1-10

Please add the following important note to Step 9

9. Attach the clamps [A] and put the harness inside the clamps.

Important: Make sure to attach the clamps in the two positions shown in

the illustration. If you do not do this, you cannot attach the flat cable.



Service Manual Steps 13 + 14, pg. 1-14 (Installation Procedure: Steps 12+13,

pg. 19/19).

Please add the following steps to the service manual:

13. Attach the FCC decal [A].

NOTE: The FCC decal is for U.S. and Canada only.

14. Attach the FCC decal [B] if you have installed the dual G3 ports.

Clamp positions

4/19

FAX OPTION TYPE 3232

(Machine Code: B750)

INSTALLATION PROCEDURE

For Machine Code: B156/B220 Copiers

WARNING

1. Never install telephone wiring during a lightning storm.

2. Never install telephone jacks in wet locations unless the jack is

specifically designed for wet locations.

3. Never touch uninsulated telephone wires or terminals unless the

telephone line has been disconnected at the network interface.

4. Use caution when installing or modifying telephone lines.

5. Avoid using a telephone (other than a cordless type) during an

electrical storm. There may be remote risk of electric shock from

lightning.

6. Do not use a telephone to report a gas leak in the vicinity of the leak.

CAUTION

1. Before installing the fax unit, switch off the main switch, and

disconnect the power cord.

2. The fax unit contains a lithium battery. The danger of explosion exists if

a battery of this type is incorrectly replaced. Replace only with the same

or an equivalent type recommended by the manufacturer. Discard

batteries in accordance with the manufacture’s instructions.

NOTE FOR AUSTRALIA

Unit must be connected to Telecommunication Network through a line cord

which meets the requirements of ACA Technical Standard TS008.

NOTE: THE FAX UNIT MUST BE INSTALLED BY A CUSTOMER SERVICE

REPRESENTATIVE WHO HAS COMPLETED BASE COPIER AND FAX

UNIT TRAINING.

B7508512A

5/19

ACCESSORY CHECK

Check the quantity and condition of the accessories against the following list.

No. Description Q’ty

1 Fax key 2

2 Fax panel 1

3 Jack cover 1

4 G3 decal 1

5 Screws 6

6 Stamp 1

7 FCU 1

8 Speaker assembly 1

9 Operating Instructions – Fax Basic

(Except EU model)

10 Operating Instructions – Fax Advanced

Features (Except EU model)

11 Handset Bracket (NA only) 1

12 Telephone Line (NA only) 1

13 FCC Decal (NA only) 1

14 Serial Number Decal 1

B750I100.WMF

1 2 34 5 6

6/19

Installation Procedure

CAUTION

Before installing this fax unit,

1) Print out all data in the printer buffer.

2) Turn off the main switch and disconnect the power cord and the

network cable.

1. Remove the connector cover [A] (x 1).

2. Remove the rear cover [B] (x 2).

3. Remove the connector cover [C].

4. Install the jack cover [D].

B750I102.WMF

B750I106.WMF

[A]

[D]

[C]

[B]

7/19

5. Remove the screw [A] (x 1) and loosen the eight screws [B] (x 8).

6. Slide the controller box cover [C] to the right side and remove it.

7. Attach the FCU [D] to the BICU (x 4).

8. Change the MBU battery jumper switch connector [E] from the "OFF" position

to the "ON" position.

9. Press down the MBU.

NOTE: Make sure that the MBU is seated correctly. If not, SC occurs (SC819,

SC672 etc.).

B750I103.WMF

B750I104.WMF

[A]

[B]

[C]

[B]

[D]

[E]

[B]

8/19

10. Install the speaker assembly [A] (x 2, x 2).

11. Reattach the controller box cover.

NOTE: When reassembling, use caution not to damage harnesses and

electrical circuits.

12. Replace the dummy keypad [B] with the fax keypad [C].

13. Replace the third key-slot cover [D] with the fax key [E].

14. Attach the decal (SUPER G3) [F] to the front cover.

B750I105.WMF

B750I101.WMF

[A]

[B]

[C]

[D]

[E]

[F]

9/19

15. Install the stamp cartridge [A] if the

ARDF [B] has been installed.

16. Reattach the rear cover (x 2).

17. Attach the FCC decal [C] and serial

number decal [D].

NOTE: The FCC decal is for the

U.S. and Canada only.

B502I006.WMF

B750I501.WMF

[A]

[B]

[C]

[D]

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