Page 1 PAGE: 1/1 Reissued: 4-Oct-05 Model: Date: No.: Model TH-C1 12-Apr-05 RB156001a RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - PS3 From: 1st Tech. Support Sec. Service Support Dept. Classification:...
Page 2 Paper path Transmit/receive 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.
Page 3 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. Telephone Line (NA only) FCC Decal (NA only) Serial Number Decal Service Manual: Step 19, pg.
Page 4 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. FCC Decal (NA only) The number of screws should be corrected (5 Screws Service Manual: Step 9, pg. 1-10 Please add the following important note to Step 9 9.
Page 5: Installation Procedure
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.
Page 6: Accessory Check
5/19 ACCESSORY CHECK Check the quantity and condition of the accessories against the following list. Description Q’ty Fax key Fax panel Jack cover G3 decal Screws Stamp Speaker assembly Operating Instructions – Fax Basic (Except EU model) Operating Instructions – Fax Advanced Features (Except EU model) Handset Bracket (NA only) Telephone Line (NA only)
Page 7 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).
Page 8 7/19 B750I103.WMF B750I104.WMF 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).
Page 9 8/19 B750I105.WMF B750I101.WMF 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.
Page 10 9/19 15. Install the stamp cartridge [A] if the ARDF [B] has been installed. B502I006.WMF 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.
Page 11 10/19 B750I107.WMF 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.
Page 12 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.
Page 13 12/19 G3 INTERFACE UNIT Accessory check Check the quantity and condition of the accessories against the following list. Description Q’ty Flat cable Harness Screws Clamps CCU drive board Telephone line (NA only) SG3 board unit FCC Decal (NA only) B751I106.WMF...
Page 14 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.
Page 15 14/19 B751I501.WMF B751I103A.WMF B751I101.WMF 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.
Page 16 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. B751I102.WMF 11. Attach the FCU [C] to the BICU ( x 4). NOTE: Make sure that the jumper switch on the MBU is set to "On".
Page 17 16/19 Do the following procedures for either single G3 port or dual G3 ports. For Single G3 Port Installation B751I104.WMF 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.
Page 18 17/19 B751I152.WMF B751I104.WMF 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).
Page 19 18/19 For Single G3 Port Installation/ Dual G3 Ports Installation B751I105.WMF 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.
Page 20 19/19 12. Attach the FCC decal [A]. NOTE: The FCC decal is for U.S. and Canada only. Attach the FCC decal [B] if you have installed the dual G3 ports. 14. Turn the main switch off and on. B751I504.WMF...
Page 21 PAGE: 1/15 Model: Date: No.: Model TH-C1 2-Jun-05 RB156003 Subject: Prepared by: Light image and/or Toner End indication cannot be H.K. cleared From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical...
Page 22 PAGE: 2/15 Model: Date: No.: Model TH-C1 2-Jun-05 RB156003 Spare part lot numbers on the part number label From February production until April 21 production X 01 02 05 to X 21 04 05 How to read the lot numbers on the...
Page 23 PAGE: 3/15 Model: Date: No.: Model TH-C1 2-Jun-05 RB156003 Blue decal, or blue dot (ink) Blue decal, or blue dot (ink) Cut-in serial numbers and lot numbers B156-17 K7156400324 B156-24 K7156500631 B156-26 6L48550001 B156-27 K7156401020 B156-29 K7156501453 B220-24...
Page 24 PAGE: 4/15 Model: Date: No.: Model TH-C1 2-Jun-05 RB156003 Some units in service parts stock have already been modified. Blue decal, or blue dot (ink) Some units have a blue circle, Some units have a red circle...
Page 25 PAGE: 5/15 Model: Date: No.: Model TH-C1 2-Jun-05 RB156003 SOLUTION In the production line The corrected shaft has been installed in the development unit from the 22nd April on the production line. In the field Add the plastic washer to the toner supply drive shaft gear. This will prevent this symptom.
Page 26 PAGE: 6/15 Model: Date: No.: Model TH-C1 2-Jun-05 RB156003 Action in the field Check if the development unit is affected or not by the above indications or serial numbers or lot numbers. No action Affected unit? Check if the toner-supply-drive gear shaft comes out of its position or not.
Page 27 PAGE: 7/15 Model: Date: No.: Model TH-C1 2-Jun-05 RB156003 Next time that you visit an affected machine for a different purpose, please add the spacers to the toner supply drive shafts in the development unit. When you visit the machines to respond to a service call for the shaft coming out of its position.
Page 28: Main Procedure
PAGE: 8/15 Model: Date: No.: Model TH-C1 2-Jun-05 RB156003 A: Procedure for adding the spacers to the toner supply drive gear shaft I. IMPORTANT NOTES BEFORE YOU BEGIN * Do not touch the surface of the development roller.
Page 29 PAGE: 9/15 Model: Date: No.: Model TH-C1 2-Jun-05 RB156003 3. Remove the silencer (A), toner cartridge drive gear (B) and pressure spring (C). Important: Be careful not to lose the silencer and spring. 4. Make sure the flat sides of the bearing are parallel with the ribs (see the left photo).
Page 30 PAGE: 10/15 Model: Date: No.: Model TH-C1 2-Jun-05 RB156003 6. Reattach the pressure spring, drive gear and silencer. Important: Reattach the gear so that the flat side faces inward (the rounded side must face outward). III. IMPORTANT POINTS TO CHECK 1.
Page 31 PAGE: 11/15 Model: Date: No.: Model TH-C1 2-Jun-05 RB156003 4. Make sure that you can turn the gear clockwise. 5. Make sure that you cannot turn the gear counterclockwise. 6. Push the toner cartridge back into the development unit.
Page 32 PAGE: 12/15 Model: Date: No.: Model TH-C1 2-Jun-05 RB156003 B: Procedure for adding the spacers to the toner supply drive gear shaft when the shaft has already come out from its position I. IMPORTANT NOTES BEFORE YOU BEGIN Please see “A: Procedure for adding the spacers to the toner supply drive gear shaft”.
Page 33 PAGE: 13/15 Model: Date: No.: Model TH-C1 2-Jun-05 RB156003 Ribs...
Page 34 PAGE: 14/15 Model: Date: No.: Model TH-C1 2-Jun-05 RB156003 6. While opening the rear development cover (A), push the shaft so that the shaft is installed into the shaft holder hole. Important: You cannot see the shaft holder hole (inside the cover). When the shaft is installed correctly, you hear a click.
Page 35 PAGE: 15/15 Model: Date: No.: Model TH-C1 2-Jun-05 RB156003 9. Make sure that the spring is installed on the development unit again. Spring View from the bottom of the development unit 10. Make sure the projection (A) of the lower development case is installed into the hole in the rear development cover correctly.
Page 36 RB051007 PAGE: 1/4 Model: Date: No.: Model TH-C1 6-Jul-05 RB156004 Subject: Prepared by: Notes for Installation - 2 H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision...
Page 37 RB051007 PAGE: 2/4 Model: Date: No.: Model TH-C1 6-Jul-05 RB156004 Sample 2 SOLUTION Production Line Four seals were added to the development unit cover (see the last page of this RTB) from the first production. Gap Absorber Seals...
Page 38 RB051007 PAGE: 3/4 Model: Date: No.: Model TH-C1 6-Jul-05 RB156004...
Page 39 RB051007 PAGE: 4/4 Model: Date: No.: Model TH-C1 6-Jul-05 RB156004...
Page 40 PAGE: 1/4 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005 Subject: Prepared by: H.K. Firmware History - BICU From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path...
Page 41 PAGE: 2/4 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005 Symptom Corrected Version SP modes for Toner Refresh mode and PCU rotation when repeat B/W V1.04 duplex copies/prints are made. This is to ensure that images (toner with silicone oil) do not stay on the ITB and get on the next sheet of paper.
Page 42 PAGE: 3/4 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005 Symptom Corrected Version The defaults for the following SP modes (image transfer current) were changed. This is to prevent residual images on small paper sizes. Paper Transfer LL1 ・ SP2-310-3 ・・・...
Page 43 PAGE: 4/4 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005 Symptom Corrected Version The default value of SP2-321-007 was changed. This is because toner particles are sometimes shifted at the trailing edge of duplex copies. SP2-321-007: [0.1 ~ 2.0 / 1.o (0.8) / 0.1 s/step] ( ): Old default The defaults for the following SP modes (image transfer current) were changed.
Page 44 PAGE: 1/2 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006 Subject: Prepared by: H.K. Firmware History - Main Unit Controller From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision...
Page 45 PAGE: 2/2 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006 Symptom Corrected Version Modified in accordance with the BICU v1.03 modification. For details, please see RTB #RB156005. Note: In addition to this main unit controller version, be sure to update the BICU firmware to v1.03 or later.
Page 46 T/B waste toner bottle Empty the bottle ID sensor Blower brush O/B waste toner bottle Empty the bottle ! For the parts unique to the China model, see the following MBs: # MB156002 (TH-C1) # MB750001 (TH-C1 Fax Option)
Page 47 PAGE: 1/1 Model: Date: No.: Model TH-C1 5-Oct-05 RB156008 Subject: Prepared by: H.K. Firmware History - Scanner From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path...
Page 48 PAGE: 1/1 Model: Date: No.: Model TH-C1 5-Oct-05 RB156009 Subject: Prepared by: H.K. Firmware History - Printer From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path...
Page 49 PAGE: 1/1 Model: Date: No.: Model TH-C1 5-Oct-05 RB156010 Subject: Prepared by: H.K. Firmware History - Web System From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path...
Page 50 PAGE: 1/1 Model: Date: No.: Model TH-C1 5-Oct-05 RB156011 Subject: Prepared by: H.K. Firmware History - NCS From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path...
Page 51 PAGE: 1/4 Reissued: 7-Oct-05 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005a RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - BICU From: 1st Tech. Support Sec. Service Support Dept. Classification:...
Page 52 PAGE: 2/4 Reissued: 7-Oct-05 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005a Symptom Corrected Version The machine freezes and does not accept the command from RC gate to update the firmware when in Low Power mode. (“ROM Updating” is displayed on the LCD).
Page 53 PAGE: 3/4 Reissued: 7-Oct-05 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005a Symptom Corrected Version The default for the following SP modes (image transfer current) was changed. This is to prevent residual images on small paper types. Paper Transfer LL1 ・...
Page 54 PAGE: 4/4 Reissued: 7-Oct-05 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005a Symptom Corrected Version The default value of Sp2-321-007 was changed. This is because toner particles are sometimes shifted at the trailing edge of duplex copies. SP2-321-007: [0.1 ~ 2.0 / 1.0 (0.8) / 0.1 s/step] ( ): Old default The default for the following SP modes (image transfer current) was changed.
Page 55 PAGE: 1/3 Reissued: 7-Oct-05 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006a RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - Main Unit Controller From: 1st Tech. Support Sec. Service Support Dept.
Page 56 PAGE: 2/3 Reissued: 7-Oct-05 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006a Symptom Corrected Version After a large number of documents (more than 80K) are printed in color, the device will stall. Fixed: The page numbering might not be printed correctly if a stored document in the Document Server is printed with the Magazine function and page numbering.
Page 57 PAGE: 3/3 Reissued: 7-Oct-05 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006a Symptom Corrected Version The Start key does not turn green. Conditions: The Capture function is used with the MLB User authentication is enabled The System Auto Reset Timer, Scanner Auto Reset Timer and Auto Logout Timer are all set to the same value Modified in accordance with the BICU v1.03 modification.
Page 58 PAGE: 1/1 Model: Date: No.: Model TH-C1 28-Oct-05 RB156012 Subject: Prepared by: H.K. Firmware History - DESS From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path...
Page 59 PAGE: 1/1 Model: Date: No.: Model TH-C1 28-Oct-05 RB156013 Subject: Prepared by: H.K. Firmware History - Netfile From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path...
Page 60 PAGE: 1/2 Model: Date: No.: Model TH-C1 8-Nov-05 RB156014 Subject: Prepared by: Duplex Oil Removal H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path Transmit/receive...
Page 61 PAGE: 2/2 Model: Date: No.: Model TH-C1 8-Nov-05 RB156014 The oil removal mode (PCU idling and toner refresh) gets carried out when duplex printing accumulation reaches 30 sheets (A). When the average BK image pixel coverage is larger than 4.2%, 0.5% toner refresh (F) is carried out. When the average BK image pixel coverage is 4.2% or less, the current toner refresh process is carried out.
Page 62: Troubleshooting
PAGE: 1/3 Reissued:22-Feb-06 Model: Date: No.: Model TH-C1 8-Nov-05 RB156015a RTB Correction The items in bold italics have been corrected or added. Subject: Prepared by: Pinched Harness H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting...
Page 63 PAGE: 2/3 Reissued:22-Feb-06 Model: Date: No.: Model TH-C1 8-Nov-05 RB156015a In the field Replace the PSU and correct the pinched harness. Replace the harness if it is damaged. Note for putting back the FCU When putting back the FCU on the BICU at installation, and/or after removing the FCU, the following note is necessary to prevent the possibility of occurrence.
Page 64 PAGE: 3/3 Reissued:22-Feb-06 Model: Date: No.: Model TH-C1 8-Nov-05 RB156015a Photo No.3 Controller box cover Photo No. 4: The “BICU Harness Protect Plate Mylar” (B1545881)
Page 65 PAGE: 1/1 Model: Date: No.: Model TH-C1 22-Nov-05 RB156016 Subject: Prepared by: H.K. Firmware History - Fax Apllication From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path...
Page 66 PAGE: 1/1 Reissued:27-Nov-06 Model: Date: No.: Model TH-C1 22-Nov-05 RB156017b RTB Correction The items in bold italics have been corrected or added. Subject: Prepared by: H.K. Firmware History - FCU(MBU) From: 1st Tech. Support Sec. Service Support Dept.
Page 67 Paper path Transmit/receive Retrofit information Other ( This is to inform you of the Language Data software history for Model TH-C1. Language US English, UK English, French, Spanish, German, Italian, Dutch, Swedish, Norwegian, Danish, Finnish, Portuguese, Polish, Hungarian, Czech, Russian, Japanese Version Program No.
Page 68 PAGE: 1/4 Reissued: 25-Nov-05 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005b RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - BICU From: 1st Tech. Support Sec. Service Support Dept. Classification:...
Page 69 PAGE: 2/4 Reissued: 25-Nov-05 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005b Symptom Corrected Version On/off control for the ITB cleaning clutch was added for duplex printing. V1.07 Note: The On/Off control for this clutch can now be adjusted separately for simplex and duplex.
Page 70 PAGE: 3/4 Reissued: 25-Nov-05 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005b Symptom Corrected Version Sometimes, the transfer belt sensor incorrectly declares a “no paper” V1.03 condition when it detects a high-density solid image, even if there is paper at the sensor.
Page 71 PAGE: 4/4 Reissued: 25-Nov-05 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005b Symptom Corrected Version A new SP mode was added to adjust the step for counting the number of A4/LT SEF developments for Toner Refresh mode. Note: Usually, 1 A4/LT SEF sheet is counted as 1, but for machines which use this paper as their main size, a setting of “1.2”.
Page 72 PAGE: 1/3 Model: Date: No.: Model TH-C1 13-Dec-05 RB156019 Subject: Prepared by: The Shift Tray H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path Transmit/receive...
Page 73 PAGE: 2/3 Model: Date: No.: Model TH-C1 13-Dec-05 RB156019 CAUSE Molding error at the parts vendor factory SOLUTION Production line The vendor corrected the mold and added a new inspection. Cut-in serial numbers B510-27 J3056900377 B510-66 2S89050001 In the Field Replace the Shift Tray Cover (B5106873: Tray: Shift) when this symptom occurs.
Page 74: Tray Cover Removal
PAGE: 3/3 Model: Date: No.: Model TH-C1 13-Dec-05 RB156019 TRAY COVER REMOVAL Remove the tray cover [A] by pressing on the two pawls [B] on the left side of the cover. TRAY COVER ATTACHMENT NOTE: The right side of the tray cover should be attached first.
Page 75 PAGE: 1/3 Reissued:6-Jan-06 Model: Date: No.: Model TH-C1 13-Dec-05 RB156020a RTB Reissue The items in bold italics have been added or modified. Subject: Prepared by: Fly Wheel, Screw, and Brushless Motor H.K. From: 1st Tech. Support Sec. Service Support Dept.
Page 76 PAGE: 2/3 Reissued:6-Jan-06 Model: Date: No.: Model TH-C1 13-Dec-05 RB156020a P/N Information: Old part New part Description Q’ty Page Index Note number number B1544732 B1544771 FLY WHEEL:MM140:ASS'Y 2 –1 as a 04513012N 04513010N TAPPING SCREW:3X10 3 – 3 Note: Only a suffix change was made to the brushless motor (AX060319A AX060319B).
Page 77 PAGE: 3/3 Reissued:6-Jan-06 Model: Date: No.: Model TH-C1 13-Dec-05 RB156020a Cut-in Serial Numbers [RAI (China) Production] MODEL NAME V/Hz DESTINATION CODE SERIAL NO. Ricoh Aficio 3224C 120/60 B156-17 K7156600001 Savin C2410 Gestetner DSc424 Lanier LD124c Ricoh Aficio 3224C...
Page 78 PAGE: 1/1 Model: Date: Model TH-C1 14-Dec-05 .: RB156021 Subject: Prepared by: The breaker is tripped H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path...
Page 79 PAGE: 1/5 Reissued: 20-Jan-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005c RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - BICU From: 1st Tech. Support Sec. Service Support Dept. Classification:...
Page 80 PAGE: 2/5 Reissued: 20-Jan-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005c Symptom Corrected Version Sometimes, incorrect solid images are printed when the machine recovers V1.09:03 from Low Power mode, when the main switch is turned ON, or when a Scanning job is performed.
Page 81 PAGE: 3/5 Reissued: 20-Jan-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005c Symptom Corrected Version SP modes for Toner Refresh mode and PCU rotation when repeat B/W V1.04 duplex copies/prints are made. This is to ensure that images (toner with silicon oil) do not stay on the ITB and get on the next sheet of paper.
Page 82 PAGE: 4/5 Reissued: 20-Jan-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005c Symptom Corrected Version The default for the following SP modes (image transfer current) was changed. This is to prevent residual images on small paper types. Paper Transfer LL1 ・...
Page 83 PAGE: 5/5 Reissued: 20-Jan-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005c Symptom Corrected Version The default value of Sp2-321-007 was changed. This is because toner particles are sometimes shifted at the trailing edge of duplex copies. SP2-321-007: [0.1 ~ 2.0 / 1.0 (0.8) / 0.1 s/step] ( ): Old default The default for the following SP modes (image transfer current) was changed.
Page 84 PAGE: 1/1 Model: Date: No.: Model TH-C1 25-Jan-06 RB156022 Subject: Prepared by: The machine can not detect the ringing signal H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision...
Page 85 echnical ulletin PAGE: 1/6 Model: Date: No.: General 23-Jan-06 RGene021 Subject: Prepared by: Data Overwrite Security Unit Installation H.Matsui From: 2nd Tech Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path Transmit/receive Retrofit information Product Safety...
Page 86 echnical ulletin PAGE: 2/6 Model: Date: No.: General 23-Jan-06 RGene021 Installation Procedure for the Data Overwrite Security Unit (Type C, Type D) BEFORE YOU BEGIN THE PROCEDURE 1. Make sure that the following settings are not at their factory default values: Supervisor login password Administrator login name Administrator login password...
Page 87: Accessory Check
echnical ulletin PAGE: 3/6 Model: Date: No.: General 23-Jan-06 RGene021 ACCESSORY CHECK Check the accessories and their quantities against this list: Description Q’ty 1. SD Card ................1 Seal Check And Removal 1. Make sure that: 1) The box has two pieces of tape [A] attached to the corners in the photo, AND 2) These two tapes are blank.
Page 88 echnical ulletin PAGE: 4/6 Model: Date: No.: General 23-Jan-06 RGene021 CAUTION Before you begin any procedure, always turn OFF the machine main power switch and unplug the power cord. 1. If the machine is on, turn the main power switch OFF. 2.
Page 89 echnical ulletin PAGE: 5/6 Model: Date: No.: General 23-Jan-06 RGene021 Note: This photograph is just an example for when Type D is installed. Because the numbers in [A] are the same as the numbers in [B], the unit was installed correctly.
Page 90 echnical ulletin PAGE: 6/6 Model: Date: No.: General 23-Jan-06 RGene021 If the ROM numbers are not the same, or the version numbers are not the same, this means the unit was not installed correctly. If this happens: Make sure the MFP model and unit type match (Type C or D). For this information, see pg.
Page 91 PAGE: 1/3 Model: Date: No.: Model TH-C1 10-Feb-06 RB156023 Subject: Prepared by: Paper Jam H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path Transmit/receive Retrofit information...
Page 92 PAGE: 2/3 Model: Date: No.: Model TH-C1 10-Feb-06 RB156023 Action 1. Check the positions of the end fences and side fences If the end fences or side fences are not in the correct position: Put them in the correct position. Then, tell the customer that the side fence should be set flush against the paper stack.
Page 93 PAGE: 3/3 Model: Date: No.: Model TH-C1 10-Feb-06 RB156023 2. If the customer uses the bypass tray, advise them to press the [#] key and set the paper type and paper size/direction. 3. Advise customers to open and close the front cover after removing jammed paper.
Page 94: Troubleshooting
PAGE: 1/3 Model: Date: No.: Model TH-C1 28-Feb-06 RB156024 Subject: Prepared by: Pinched Harness H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path Transmit/receive Retrofit information...
Page 95 PAGE: 2/3 Model: Date: No.: Model TH-C1 28-Feb-06 RB156024 SOLUTION Production Line To further ensure that a short circuit does not occur in the B1545408 harness, a visual inspection of the harness was added. Note: Sometimes, the harness can be damaged if it is stored near rotating equipment.
Page 96 PAGE: 3/3 Model: Date: No.: Model TH-C1 28-Feb-06 RB156024 Protective electrical tape...
Page 97 PAGE: 1/1 Model: Date: No.: Model TH-C1 29-Mar-06 RB156025 Subject: SC872/SC873 Prepared by: H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path Transmit/receive Retrofit information...
Page 98 PAGE: 1/5 Reissued: 14-Apr-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005d RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - BICU From: 1st Tech. Support Sec. Service Support Dept. Classification:...
Page 99 PAGE: 2/5 Reissued: 14-Apr-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005d Symptom Corrected Version An SC545 misdetection occurs when the machine recovers from Energy Saver mode or when the main switch is turned ON. It is possible to set Sp6-006-4 to a value of –3.0(mm) to –5.0(mm), even though the setting range is –2.5(mm) to +5.0mm.
Page 100 PAGE: 3/5 Reissued: 14-Apr-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005d Symptom Corrected Version SP modes for Toner Refresh mode and PCU rotation when repeat B/W V1.04 duplex copies/prints are made. This is to ensure that images (toner with silicon oil) do not stay on the ITB and get on the next sheet of paper.
Page 101 PAGE: 4/5 Reissued: 14-Apr-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005d Symptom Corrected Version The default for the following SP modes (image transfer current) was changed. This is to prevent residual images on small paper types. Paper Transfer LL1 ・...
Page 102 PAGE: 5/5 Reissued: 14-Apr-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005d Symptom Corrected Version The default value of Sp2-321-007 was changed. This is because toner particles are sometimes shifted at the trailing edge of duplex copies. SP2-321-007: [0.1 ~ 2.0 / 1.0 (0.8) / 0.1 s/step] ( ): Old default The default for the following SP modes (image transfer current) was changed.
Page 103 PAGE: 1/3 Reissued: 14-Apr-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006b RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - Main Unit Controller From: 1st Tech. Support Sec. Service Support Dept.
Page 104 PAGE: 2/3 Reissued: 14-Apr-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006b Symptom Corrected Version It is possible to set SP6-006-1 or 4 to a value of –3.0(mm) to –5.0(mm), even though the setting range is –2.5(mm) to +5.0mm.
Page 105 PAGE: 3/3 Reissued: 14-Apr-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006b Symptom Corrected Version Fixed: RC gate may sometimes fail to update the firmware. Documents with any of the below attributes that are printed from the V1.07 document server using Magazine, Booklet, or Stamp may cause an SC687 error.
Page 106 PAGE: 1/1 Reissued:14-Apr-06 Model: Model TH-C1 Date: No.: 5-Oct-05 RB156009a RTB Reissue The items in bold italics have been added. Subject: Prepared by: Firmware History - Printer H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting...
Page 107 PAGE: 1/2 Reissued:14-Apr-06 Model: Model TH-C1 Date: No.: 28-Oct-05 RB156013a RTB Reissue The items in bold italics have been added. Subject: Prepared by: Firmware History - Netfile H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting...
Page 108 PAGE: 2/2 Reissued:14-Apr-06 Model: Model TH-C1 Date: No.: 28-Oct-05 RB156013a Symptom Corrected Version The below operations may not complete successfully if multiple PCs are accessing the device at the same time. Using DeskTopBinder to send scanned files from the Document Server to a server such as ScanRouter.
Page 109 PAGE: 1/1 Reissued:17-Apr-06 Model: Date: No.: Model TH-C1 22-Nov-05 RB156016a RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - Fax Apllication From: 1st Tech. Support Sec. Service Support Dept. Classification:...
Page 110 PAGE: 1/4 Model: Date: No.: Model TH-C1 5-Apr-06 RB156026 Subject: Prepared by: PCU Shipping Retainer H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path Transmit/receive...
Page 111 PAGE: 2/4 Model: Date: No.: Model TH-C1 5-Apr-06 RB156026 CAUSE During factory QA sampling inspections, the shipping retainer was reattached in the wrong direction. SOLUTION If you cannot remove the shipping retainer when you install a machine from the Affected Units list, do the following procedure.
Page 112 PAGE: 3/4 Model: Date: No.: Model TH-C1 5-Apr-06 RB156026 Affected Units The shipping retainer may be attached in the wrong direction on the following machines: TOTAL B156-17 B156-22 B220-22 B156-26 B220-26 B156-27 B220-27 B156-29 B156-19 125 5 5 5...
Page 113 PAGE: 4/4 Model: Date: No.: Model TH-C1 5-Apr-06 RB156026 K7166120210 K7166120246 K7166120320 K7166120356 K7166120387 K7166120418 K7166120443 K7166120455 K7166120623...
Page 114: Troubleshooting
PAGE: 1/2 Model: Date: No.: Model TH-C1 6-Apr-06 RB156027 Subject: Prepared by: LCT Jam or Noise H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path...
Page 115 PAGE: 2/2 Model: Date: No.: Model TH-C1 6-Apr-06 RB156027 Permanent: 1. The distance between the side fences was increased by 0.2mm - The positions of the screw holes were moved 0.1mm. 2. The distance between the side fences is checked on the production line.
Page 116 PAGE: 1/1 Model: Date: No.: Model TH-C1 26-Apr-06 RB156028 Subject: SC874/SC875 Prepared by: H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path Transmit/receive Retrofit information Other ( The Service Manual was changed as shown below.
Page 117 PAGE: 1/1 Reissued:8-May-06 Model: Date: No.: Model TH-C1 5-Oct-05 RB156010a RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - Web System From: 1st Tech. Support Sec. Service Support Dept. Classification:...
Page 118 PAGE: 1/2 Reissued:8-May-06 Model: Date: No.: Model TH-C1 5-Oct-05 RB156011a RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - NCS From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting...
Page 119 PAGE: 2/2 Reissued:8-May-06 Model: Date: No.: Model TH-C1 5-Oct-05 RB156011a Symptom Corrected Version Fixed: Leading zeros will be removed from byte-counts in LPD control files (zero-suppression). (GFPR#RC RC05070006) Fixed: RC gate may sometimes fail to update the firmware.
Page 120 PAGE: 1/1 Reissued:8-May-06 Model: Date: No.: Model TH-C1 28-Oct-05 RB156012a RTB Reissue The items in bold italics have been added. Subject: Prepared by: Firmware History - DESS H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting...
Page 121 PAGE: 1/5 Reissued: 2-Jun-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005e RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - BICU From: 1st Tech. Support Sec. Service Support Dept. Classification:...
Page 122 PAGE: 2/5 Reissued: 2-Jun-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005e Symptom Corrected Version In rare cases, the machine freezes when it recovers from sleeping mode. V1.12:03 Conditions: The machine did Process Control at least once that day...
Page 123 PAGE: 3/5 Reissued: 2-Jun-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005e Symptom Corrected Version The bias voltage for Toner Refresh mode was changed to reduce the amount V1.06 of toner that sticks to the ITB cleaning blade. ･SP2-400-08 (Cleaning Bias LL1 Toner revital) ･SP2-401-08 (Cleaning Bias LL2 Toner revital)
Page 124 PAGE: 4/5 Reissued: 2-Jun-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005e Symptom Corrected Version The default for the following SP modes (image transfer current) was changed. This is to prevent residual images on small paper types. Paper Transfer LL1 ・...
Page 125 PAGE: 5/5 Reissued: 2-Jun-06 Model: Date: No.: Model TH-C1 19-Jul-05 RB156005e Symptom Corrected Version The default value of Sp2-321-007 was changed. This is because toner particles are sometimes shifted at the trailing edge of duplex copies. SP2-321-007: [0.1 ~ 2.0 / 1.0 (0.8) / 0.1 s/step] ( ): Old default The default for the following SP modes (image transfer current) was changed.
Page 126 PAGE: 1/2 Reissued: 22-Jun-06 Model: Model TH-C1 Date: No.: 5-Oct-05 RB156009b RTB Reissue The items in bold italics have been added. Subject: Prepared by: Firmware History - Printer H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification:...
Page 127 PAGE: 2/2 Reissued: 22-Jun-06 Model: Model TH-C1 Date: No.: 5-Oct-05 RB156009b Symptom Corrected Version First release V1.00...
Page 128 PAGE: 1/1 Reissued:22-Jun-06 Model: Date: No.: Model TH-C1 22-Nov-05 RB156016b RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - Fax Apllication From: 1st Tech. Support Sec. Service Support Dept. Troubleshooting...
Page 129: Troubleshooting
PAGE: 1/2 Model: Date: No.: Model TH-C1 21-Jun-06 RB156029 Subject: Prepared by: BK Toner Cartridge H.K. From: 1st Tech. Support Sec. Service Support Dept. Troubleshooting Part information Action required Classification: Mechanical Electrical Service manual revision Paper path Transmit/receive...
Page 130 PAGE: 2/2 Model: Date: No.: Model TH-C1 21-Jun-06 RB156029 Procedure Do the following if the black cartridge is hard to open: 1. Push in the black toner cartridge all the way. 2. Pull out the black toner cartridge with a little force.
Page 131 PAGE: 1/2 Model: Date: No.: Model TH-C1 21-Jun-06 RB156030 Subject: Prepared by: Charge Corona Harness H.K. From: 1st Tech. Support Sec. Service Support Dept. Troubleshooting Part information Action required Classification: Mechanical Electrical Service manual revision Paper path Transmit/receive...
Page 132 PAGE: 2/2 Model: Date: No.: Model TH-C1 21-Jun-06 RB156030 Do not straighten the harness. Rear view Front view QL is QL is disconnected disconnected...
Page 133 PAGE: 1/3 Model: Date: No.: Model TH-C1 22-Jun-06 RB156031 Subject: Prepared by: LCD & LCDC PCB on Opeartion Panel H.K. From: 1st Tech. Support Sec. Service Support Dept. Troubleshooting Part information Action required Classification: Mechanical Electrical Service manual revision...
Page 134 PAGE: 2/3 Model: Date: No.: Model TH-C1 22-Jun-06 RB156031 Part-to-machine interchangeability: This is to make sure that the correct parts are used on the correct machines. RoHS Non-RoHS Compliant Parts Compliant Parts RoHS Compliant Machines DO NOT USE Non-RoHS Compliant Machines 3.
Page 135 PAGE: 3/3 Model: Date: No.: Model TH-C1 22-Jun-06 RB156031 Cut-in Serial Numbers The above changes were applied from March 2006 production. An MB will be issued for the cut-in serial numbers.
Page 136 echnical ulletin PAGE: 1/4 Reissued: 26-Jun-06 Model: Date: No.: Model TH -C1 19-Jul-05 RB156006c RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - Main Unit Controller From: 1st Tech. Support Sec. Service Support Dept. Troubleshooting Part information Action required...
Page 137 echnical ulletin PAGE: 2/4 Reissued: 26-Jun-06 Model: Date: No.: Model TH -C1 19-Jul-05 RB156006c Symptom Corrected Version Some of the data contained in a backup of the AddressBook might not be encrypted. This can happen with any of the AddressBook backup functions (SP mode, Web Image Monitor, SmartDeviceMonitor for Admin).
Page 138 echnical ulletin PAGE: 3/4 Reissued: 26-Jun-06 Model: Date: No.: Model TH -C1 19-Jul-05 RB156006c Symptom Corrected Version Fixed: The thumbnails of the stored files are blurry when they are displayed in Web Image Monitor, DeskTopBinder or DeskTopEditor for Production. This occurs only when data is scanned from a device with File Format Converter.
Page 139 echnical ulletin PAGE: 4/4 Reissued: 26-Jun-06 Model: Date: No.: Model TH -C1 19-Jul-05 RB156006c Symptom Corrected Version Modified in accordance with the BICU v1.03 modification. For details, please see RTB #RB156005. Note: In addition to this main unit controller version, be sure to update the BICU firmware to v1.03 or later.
Page 140 PAGE: 1/4 Model: Model TH-C1 Date: No.: 05-Jul-06 RB156032 Subject: Prepared by: BICU, LD Harness, Imaging Unit H.K. From: 1st Tech. Support Sec. Service Support Dept. Troubleshooting Part information Action required Classification: Mechanical Electrical Service manual revision Paper path...
Page 141 PAGE: 2/4 Model: Model TH-C1 Date: No.: 05-Jul-06 RB156032 Important: DO NOT use the old LD harness (non-RoHS compliant) with the new BICU board or new imaging unit (RoHS compliant). If you do, a malfunction of the BICU board or imaging unit may occur.
Page 142 PAGE: 3/4 Model: Model TH-C1 Date: No.: 05-Jul-06 RB156032 3. Note the visual differences between the old/new parts Visual difference between the old/new LD harness Old (non-RoHS): Edges of support plate are blue New (RoHS): Edges of support plate are green...
Page 143 PAGE: 4/4 Model: Model TH-C1 Date: No.: 05-Jul-06 RB156032 Visual difference between the old/new BICU board The part number printed on the BICU board was changed. B1545210to B1545214 Visual difference between the old/new imaging unit The part number printed on the imaging unit PCB was changed.
Page 144 PAGE: 5/5 Model: Model TH-C1 Date: No.: 05-Jul-06 RB156032 ∗ P/N printed on the imaging unit PCB: Old: B1545105 New: B1545107...
Page 145 PAGE: 1/4 Model: Model TH-C1 Date: No.: 11-Jul-06 RB156033 Subject: Prepared by: Fusing Unit & PCU H.K. From: 1st Tech. Support Sec. Service Support Dept. Troubleshooting Part information Action required Classification: Mechanical Electrical Service manual revision Paper path...
Page 146 PAGE: 2/4 Model: Model TH-C1 Date: No.: 11-Jul-06 RB156033 SOLUTION Production line The height adjustment mechanism was discontinued. The front side plate is now only one part. In the field Whenever you remove the PCU during service activities: 1.
Page 147 PAGE: 3/4 Model: Model TH-C1 Date: No.: 11-Jul-06 RB156033 P/N Change History for the Fusing Unit Fusing unit status Version 230V European B1544033 B1544034 B1544046 New P/N (TBA) version 120V US version B1544026 B1544029 B1544032 New P/N (TBA)
Page 148 PAGE: 4/4 Model: Model TH-C1 Date: No.: 11-Jul-06 RB156033 Affected Units (B condition) B15617 K7166510001 to K7166510010 B15619 K7166600001 to K7166600003 K7166520310 to K7166520564 B15622 K7166620001 to K7166620405 6L48560051 to 6L48560140 B15626 6L48660001to 6L48660090 B15627 K7166530159, K7166530292 to K7166530674...
Page 149 PAGE: 1/2 Model: Date: No.: Model TH-C1 05-Sep-06 RB156034 Subject: Prepared by: Firmware History - LCDC H.K. From: 1st Tech. Support Sec. Service Support Dept. Troubleshooting Part information Action required Classification: Mechanical Electrical Service manual revision Paper path...
Page 150 PAGE: 2/2 Model: Date: No.: Model TH-C1 05-Sep-06 RB156034 Symptom Corrected Version V1.08 First release (US & EU models) V1.09 (Asia/Taiwa n models) V1.10 (Chinese model) V1.15 (Korean models) V1.12 (Japanese font)
Page 151: Production Line
PAGE: 1/2 Model: Date: No.: Model TH-C1 4-Oct-06 RB156035 Subject: Prepared by: Front Door Safety Switch H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path...
Page 152 PAGE: 2/2 Model: Date: No.: Model TH-C1 4-Oct-06 RB156035 In the field If the symptom is reported from the field, tell customers not to close the front door too strongly. Note: As mentioned above, the symptom does not occur when the front door is closed with the normal amount of force.
Page 153 PAGE: 1/2 Reissued:13-Jun-07 Model: Date: No.: Model TH-C1 5-Oct-05 RB156011b RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - NCS From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting...
Page 154 PAGE: 2/2 Reissued:13-Jun-07 Model: Date: No.: Model TH-C1 5-Oct-05 RB156011b Symptom Corrected Version Fixed: Available functions can not be restricted to groups via Windows Authentication using a domain controller in a different subnet. (GFPR#RA05070006) Changed: The device can accept multiple incoming diprint(port9100) sessions.
Page 155 PAGE: 1/1 Reissued: 15-Jun-07 Model: Date: No.: Model TH-C1 22-Nov-05 RB156016c RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - Fax Application From: 1st Tech. Support Sec. Service Support Dept.
Page 156 PAGE: 1/5 Reissued: 29-Jun-07 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006d RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - Main Unit Controller From: 1st Tech. Support Sec. Service Support Dept.
Page 157 PAGE: 2/5 Reissued: 29-Jun-07 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006d Symptom Corrected Version Symptom corrected: 1.14.1 1. The device that has the 'Authentication: High Security' setting might not be able to authenticate a valid user on an LDAP server. This only occurs if the user name contains non-ASCII characters.
Page 158 PAGE: 3/5 Reissued: 29-Jun-07 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006d Symptom Corrected Version The Document Server screen (operation panel) might lock if the screen is switched from “Copier” to “Document Server” while the Document Server is saving a print job.
Page 159 PAGE: 4/5 Reissued: 29-Jun-07 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006d Symptom Corrected Version Fixed: The menu for the Rom Update may not be displayed in the WebImageMonitor. (GFPR#RC05070002) Fixed: When the language other than English is used the customer is not informed that the fuser oil unit is almost empty, only the telephone symbol is blinking on the display.
Page 160 PAGE: 5/5 Reissued: 29-Jun-07 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006d Symptom Corrected Version The operation panel freezes if a user logs in through User Authentication, logs off just after starting a job, presses the C/S key, and then presses the Job Reserve key.
Page 161 PAGE: 1/2 Reissued: 29-Jun-07 Model: Date: No.: Model TH-C1 5-Oct-05 RB156009c RTB Reissue The items in bold italics have been added. Subject: Prepared by: Firmware History - Printer H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification:...
Page 162 PAGE: 2/2 Reissued: 29-Jun-07 Model: Date: No.: Model TH-C1 5-Oct-05 RB156009c Symptom Corrected Version SC990 may sometimes be displayed when the machine receives a Print job while in Energy Saver Mode. PDF Direct Print jobs (PS3 function) sent via DeskTopBinder in Driverless V1.01...
Page 163 PAGE: 1/2 Reissued: 29-Jun-07 Model: Date: No.: Model TH-C1 5-Oct-05 RB156010b RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - Web System From: 1st Tech. Support Sec. Service Support Dept.
Page 164 PAGE: 2/2 Reissued: 29-Jun-07 Model: Date: No.: Model TH-C1 5-Oct-05 RB156010b Symptom Corrected Version Important note: V1.02 Websys firmware Ver 1.02 or later must be used with NIB firmware Ver 4.17 or later and controller firmware Ver 1.08 or later.
Page 165 PAGE: 1/2 Reissued: 29-Jun-07 Model: Model TH-C1 Date: No.: 28-Oct-05 RB156013b RTB Reissue The items in bold italics have been added. Subject: Prepared by: Firmware History - Netfile H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification:...
Page 166 PAGE: 2/2 Reissued: 29-Jun-07 Model: Model TH-C1 Date: No.: 28-Oct-05 RB156013b Symptom Corrected Version The device can not be accessed using SSL by utilities such as SDM for V1.00 Admin after "Permit Simple Encryption" in Extended Security is disabled.
Page 167 PAGE: 1/1 Model: Date: No.: Model TH-C1 29-Jun-07 RB156036 Subject: Prepared by: H.K. Firmware History - WebDocument Box From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path...
Page 168 PAGE: 1/6 Reissued: 23-Jul-07 Model: Date: No.: Model TH-C1 11-Jul-06 RB156033a RTB Reissue The items in bold italics were corrected or added. Subject: Prepared by: Fusing Unit & PCU H.K. From: 1st Tech. Support Sec. Service Support Dept.
Page 169 PAGE: 2/6 Reissued: 23-Jul-07 Model: Date: No.: Model TH-C1 11-Jul-06 RB156033a SOLUTION Production line The height adjustment mechanism was discontinued. The front side plate is now only one part. In the field Whenever you remove the PCU during service activities: 1.
Page 170 PAGE: 3/6 Reissued: 23-Jul-07 Model: Date: No.: Model TH-C1 11-Jul-06 RB156033a Fusing Unit...
Page 171 PAGE: 4/6 Reissued: 23-Jul-07 Model: Date: No.: Model TH-C1 11-Jul-06 RB156033a P/N Change History for the Fusing Unit Fusing unit status Version 230V European B1544033 B1544034 B1544046 B1544044 version 120V US version B1544026 B1544029 B1544032 B1544043 110V Taiwan...
Page 172 PAGE: 5/6 Reissued: 23-Jul-07 Model: Date: No.: Model TH-C1 11-Jul-06 RB156033a Affected Units (B condition) B15617 K7166510001 to K7166510010 B15619 K7166600001 to K7166600003 K7166520310 to K7166520564 B15622 K7166620001 to K7166620405 6L48560051 to 6L48560140 B15626 6L48660001to 6L48660090 B15627 K7166530159, K7166530292 to K7166530674...
Page 173 PAGE: 6/6 Reissued: 23-Jul-07 Model: Date: No.: Model TH-C1 11-Jul-06 RB156033a Gestetner DSc432 Lanier LD132c Ricoh Aficio 3232C 110/60 Taiwan B220-19 Spare part only Ricoh Aficio 3232C 220,230,240/50, China B220-21 Spare part only Gestetner DSc432 220,230,240/50, Europe, etc...
Page 174 PAGE: 1/4 Model: Date: No.: Model TH-C1 23-Jul-07 RB156037 Subject: Prepared by: Trapezoid Image on A3 or 11X17 H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision...
Page 175: Feed Direction
PAGE: 2/4 Model: Date: No.: Model TH-C1 23-Jul-07 RB156037 Raising/lowering the front side of the fusing unit Image shown by the dotted line: Raise the front side of the unit Feed direction Image shown by the solid line:...
Page 176 PAGE: 3/4 Model: Date: No.: Model TH-C1 23-Jul-07 RB156037 Adjust plate Upper position Lower position Cut-in Serial Numbers [RAI (China) Production] MODEL NAME V/Hz DESTINATION CODE SERIAL NO. Ricoh Aficio 3224C 120/60 B156-17 Spare part only Savin C2410...
Page 177 PAGE: 4/4 Model: Date: No.: Model TH-C1 23-Jul-07 RB156037 Gestetner DSc432 220,230,240/50, Europe, etc B220-22 Spare part only Nashuatec DSc432 Rex Rotary DSc432 Lanier LD132c 220,230,240/50 Europe B220-24 Spare part only Infotec ISC1032c 220,230,240/50 Europe B220-26 Spare part only...
Page 178 PAGE: 1/1 Model: Date: No.: Model TH-C1 05-Sep-07 RB156038 Subject: Prepared by: Platen cover sheet damage H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path...
Page 179 PAGE: 1/7 Model: Date: No.: Model TH-C1 28-Sep-07 RB156039 Subject: Prepared by: Clutch in the transport drive unit H.K. From: 1st Tech. Support Sec. Service Support Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision...
Page 180 PAGE: 2/7 Model: Date: No.: Model TH-C1 28-Sep-07 RB156039 Procedure 1. Remove the transport drive unit. 2. Remove the bushing [A] (1 mold ring). 3. Remove the shaft while releasing the stopper.
Page 181 PAGE: 3/7 Model: Date: No.: Model TH-C1 28-Sep-07 RB156039 4. Remove the cleaning drive shaft [B], bushing, clutch [C]. 5. Replace the cleaning drive shaft, bushings, and clutch with new ones. Old shaft: 9.2 mm Old bushing: 6 mm height New shaft: 7.6 mm...
Page 182 PAGE: 4/7 Model: Date: No.: Model TH-C1 28-Sep-07 RB156039 6. Install the parts on the new shaft in the following order. 1） Plastic (white) ring [D] 2） Spacer [E] 3） Spring [F] 4） Gear [G] 5） E-Ring [H]...
Page 183 PAGE: 5/7 Model: Date: No.: Model TH-C1 28-Sep-07 RB156039 7. Bend the clutch stopper so that the new clutch can be installed with the bent stopper as shown. 3 +0.5 3 –0.5 8. Assemble the clutch, cleaning shaft, bushing in the reverse order as shown.
Page 184 PAGE: 6/7 Model: Date: No.: Model TH-C1 28-Sep-07 RB156039 2） Install the cleaning shaft. 3） Install the bushing and mold (white) ring. 4） Pass the clutch harness through the hole as shown. Take care not to damage the harness.
Page 185 PAGE: 7/7 Model: Date: No.: Model TH-C1 28-Sep-07 RB156039 Cut-in Serial Numbers [RAI (China) Production] MODEL NAME V/Hz DESTINATION CODE SERIAL NO. Ricoh Aficio 3224C 120/60 B156-17 K7156600001 Savin C2410 Gestetner DSc424 Lanier LD124c Ricoh Aficio 3224C 110/60...
Page 186 PAGE: 1/5 Reissued: 14-Nov-07 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006e RTB Reissue The items in bold italics have been added. Subject: Prepared by: H.K. Firmware History - Main Unit Controller From: 1st Tech. Support Sec. Service Support Dept.
Page 187 PAGE: 2/5 Reissued: 14-Nov-07 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006e Symptom Corrected Version Other changes: 1.15 Supports the new 80GB HDD (this firmware supports both the 40GB and 80GB drives). Note: If an earlier firmware version is used with the 80GB HDD, the machine may stall, an image problem may occur, or the productivity of the Data Overwrite Security Unit may be reduced.
Page 188 PAGE: 3/5 Reissued: 14-Nov-07 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006e Symptom Corrected Version Some of the data contained in a backup of the AddressBook might not be encrypted. This can happen with any of the AddressBook backup functions (SP mode, Web Image Monitor, SmartDeviceMonitor for Admin).
Page 189 PAGE: 4/5 Reissued: 14-Nov-07 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006e Symptom Corrected Version Fixed: The thumbnails of the stored files are blurry when they are displayed in Web Image Monitor, DeskTopBinder or DeskTopEditor for Production. This occurs only when data is scanned from a device with File Format Converter.
Page 190 PAGE: 5/5 Reissued: 14-Nov-07 Model: Date: No.: Model TH-C1 19-Jul-05 RB156006e Symptom Corrected Version Modified in accordance with the BICU v1.03 modification. For details, please see RTB #RB156005. Note: In addition to this main unit controller version, be sure to update the BICU firmware to v1.03 or later.
Page 191 14: SP 4-540-024 Reason for this change: The input method for these SP modes was changed when the TH-C1 was released. However, the Service Manual and service parts inserts describe the old method, which includes entering negative numbers. You cannot input negative numbers into these SP modes on the TH-C1, so the value was changed to 0 (as shown above).
Page 192 PAGE: 1/2 Reissued:02-Dec-08 Model: Date: No.: 2-Dec-08 RB156016d Model TH-C1 RTB Reissue The items in bold italics have been added. Subject: Prepared by: K.Moriizumi Firmware History - Fax Apllication From: 1st Tech. Support Sec. Service Support Dept. Classification:...
Page 193 PAGE: 2/2 Reissued:02-Dec-08 Model: Date: No.: 2-Dec-08 RB156016d Model TH-C1 Symptom Corrected Version First release V01.00.00...
Page 194 - The panel does not respond at all, or - The positions of the buttons shift (even after performing calibration) Note: This issue affects all TH-C1 machines. CAUSE The adhesive that binds electrodes to the touch panel surface contains a polymer that tends to expand under normal office environmental conditions.
Page 195 PAGE: 2/7 Model: Date: No.: Model TH-C1 13-Apr-09 RB156041 Touch Panel Replacement Procedure 1. Remove the operation panel (5 screws, 1 connector). 2. Remove the operation panel cover [A] (3 hooks). 3 hooks...
Page 196 PAGE: 3/7 Model: Date: No.: Model TH-C1 13-Apr-09 RB156041 Note: Visual difference between the old and new touch panels: Old (B2135222): The tip [B] of the electrode attached to the touch panel is brown. New (H3109900): This tip [B] is white.
Page 197 PAGE: 4/7 Model: Date: No.: Model TH-C1 13-Apr-09 RB156041 4. Remove the operation panel bracket (8 screws). 5. Remove the four screws from the LCD (circled below in red). Then, detach the LCD from the operation panel as shown.
Page 198 PAGE: 5/7 Model: Date: No.: Model TH-C1 13-Apr-09 RB156041 6. Replace the touch panel. Caution: 1. The touch panel is attached to the LCD, so remove the touch panel from the LCD. 2. Only replace the touch panel. Do not replace the LCD.
Page 199: Touch Screen Calibration
PAGE: 6/7 Model: Date: No.: Model TH-C1 13-Apr-09 RB156041 TOUCH SCREEN CALIBRATION NOTE: Do not attempt to use items [2] to [9] on the Self-Diagnostic Menu. These items are for design use only. 1. Press “Clear” key, press “1”, “9”, “9”, “3”, and then press “Clear/Stop” key 5 times to open the Self-Diagnostics menu.
Page 200 PAGE: 7/7 Model: Date: No.: Model TH-C1 13-Apr-09 RB156041 How to distinguish the new parts from the old parts Old parts: The tip of the electrode is brown. New parts: The tip of the electrode is white.
Page 201: Oil Supply Unit
PAGE: 1/2 Model: Date: No.: Model TH-C1 08-Jan-10 RB156042 Subject: Prepared by: Service manual & Parts Catalog Correction H.K. From: 2nd Overseas Tech Support Sec. 2nd PQM Dept Troubleshooting Part information Action required Classification: Mechanical Electrical Service manual revision...
Page 202 PAGE: 2/2 Model: Date: No.: Model TH-C1 08-Jan-10 RB156042 Parts Catalog Correction Old part New part Description Q’ty Page Index Note number number B1544263 PLATE:OIL APPLICATION 0 - 1 UNIT:REAR *: New index Change: The Oil Supply Unit Stopper was added to the parts catalog in the Fusing Unit 3 section as described above.
Page 203 PAGE: 1/1 Model: Date: No.: Model TH-C1 20-Apr-10 RB156043 Subject: Prepared by: Illustration of the Parts Catalog H.K. From: 2nd Overseas Tech Support Sec. 2nd PQM Dept Troubleshooting Part information Action required Classification: Mechanical Electrical Service manual revision...

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