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

T echnical B 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.
12

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
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)
1
10 Operating Instructions – Fax Advanced
Features (Except EU model)
1
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
78

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]

10/19
18. Connect the telephone line to the LINE jack [A].
19. Put the power plug into the outlet and turn the main switch on.
NOTE: 1) Make sure that the outlet is grounded.
2) “SRAM has been formatted” is displayed after you turn on the main
switch. Turn the main switch Off and On to use the machine.
20. Make sure that the date and time are correctly set.
B750I107.WMF
[A]

11/19
G3 INTERFACE UNIT TYPE 3232
Machine Code: B751
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 G3 INTERFACE UNIT MUST BE INSTALLED BY A CUSTOMER
SERVICE REPRESENTATIVE WHO HAS COMPLETED BASE COPIER
AND FAX UNIT TRAINING.
B7518510A
B7518510A

12/19
G3 INTERFACE UNIT
Accessory check
Check the quantity and condition of the accessories against the following list.
No. Description Q’ty
1 Flat cable 1
2 Harness 1
3 Screws 7
4 Clamps 2
5 CCU drive board 1
6 Telephone line (NA only) 1
7 SG3 board unit 1
8 FCC Decal (NA only) 1
B751I106.WMF
1 2 3 4
5
67

13/19
CAUTION
Before installing this optional 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 left connector shield [C]
(LINE 2) and file the edge smoothly. If
you install one more G3 interface unit,
also cut away the right connector shield
[D] (LINE 3) and file the edge smooth.
B751I102A.WMF
B751I107.WMF
[A]
[C]
[B]
[D]

14/19
4. Remove the screw [A] and loosen eight screws [B].
5. Slide the controller box cover [C] to the right side and remove it.
6. Remove the FCU [D] (x 2, x 4) if the fax unit has been installed.
7. Connect the flat cable [E] with blue side outside and the harness [F] to the CCU
drive board [G].
NOTE: Use the connector that is near the binding [H] for connection with the
CCU drive board.
8. Attach the CCU drive board [G] to the FCU bracket [I] (x 4).
NOTE: The G3 Interface Unit Type 3232 package contains one CCU drive
board. When installing the two optional units at once, only one of the
two interfaces is necessary.
B751I103A.WMF
B751I501.WMF
B751I101.WMF
[A]
[D]
[B]
[C]
[B]
[E]
[F]
[I]
[G]
[H]
[B]

15/19
9. Attach the clamps [A] and put the
harness inside the clamps.
10. Connect the flat cable [B] with the
blue side outside to the FCU as
shown.
11. Attach the FCU [C] to the BICU (x 4).
NOTE: Make sure that the jumper
switch on the MBU is set to
"On".
12. Press down the MBU.
NOTE: Make sure that the MBU is
seated correctly. If not, SC
occurs (SC819, SC672 etc.).
13. Remove the speaker assembly [D]
(x 2) if the speaker assembly has
been installed.
12
B751I102.WMF
B751I103.WMF
B751I502.WMF
[C]
[D]
[A]
[B]

16/19
Do the following procedures for either single G3 port or dual G3 ports.
For Single G3 Port Installation
1. Attach the SG3 board unit [A] to the I/O board cover bracket (x 2, x 1).
For Dual G3 Ports Installation
Two G3 interface units (Type 3232) are required when installing the dual G3 ports.
1. From the second G3 interface unit, remove the telephone jack bracket [A]
(x 2), and then remove the telephone jack [B].
2. Remove the G3 interface unit cover bracket [C] (x 4).
3. Remove the G3 interface board [D] (x 2).
B751I104.WMF
B751I151.WMF
[A]
[B]
[C]
[D]
[A]

17/19
4. From the first G3 interface unit, remove the telephone jack bracket, telephone
jack and G3 interface unit cover bracket as shown in steps 1 and 2.
5. Attach the second G3 interface board [A] to the right-hand connector on the G3
interface unit bracket [B] (x 2).
6. Run the telephone jack harnesses [C, D] as shown, and then attach the G3
interface unit cover bracket [E] (x 4).
7. Attach the telephone jack [F] to the telephone jack bracket [G].
8. Attach the telephone jack bracket [G] to the G3 interface unit cover bracket [E]
(x 2).
9. Attach the dual SG3 boards unit [H] to the I/O board cover bracket
(x 2, x 1).
B751I152.WMF
B751I104.WMF
[A]
[B]
[C]
[D]
[E]
[F]
[G]
[H]

18/19
For Single G3 Port Installation/ Dual G3 Ports Installation
1. Attach the speaker assembly [A] to the I/O board cover bracket (x 3, x 2).
2. Bind the harnesses with clamps [B].
3. Reattach the controller box cover.
NOTE: When reassembling, use caution not to damage harnesses and
electrical circuits.
4. Reattach the rear cover (x 2).
5. Connect the telephone line/s to the
jack/s [C]
• For single G3 interface unit: LINE 2
• For dual G3 interface unit:
LINE 2 and 3
6. Put the power plug into the outlet and
turn the main switch on.
NOTE: Make sure that the outlet is
grounded.
7. Start the service mode and set bit 1 of
communication switch 16 to “1”
(SP1-104-023).
8. If you install the dual G3 interface units,
also set the bit 3 of communication
switch 16 to "1" (SP1-104-023).
9. Turn the main switch off and on.
10. Print out the system parameter list and check that “G3-2 (single port) and G3-3
(dual ports)” is listed as an option (SP6-101).
11. Set up and program the items required for PSTN-2/PSTN-3 communications.
B751I105.WMF
B751I107A.WMF
[A]
[B]
[C]

19/19
12. Attach the FCC decal [A].
NOTE: The FCC decal is for U.S.
and Canada only.
13. Attach the FCC decal [B] if you
have installed the dual G3 ports.
14. Turn the main switch off and on.
B751I504.WMF
[A]
[B]