Konica Minolta bizhub C351 Service Manual
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Konica Minolta bizhub C351 Service Manual

Field service
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See also: Function Manual , System Administrator Manual
SERVICE MANUAL
This service manual is issued for C351 that
This service manual is issued for C351 that
has been changed from C450. Therefore please
has been changed from C450. Therefore please
refer it along with the service manual of C450.
refer it along with the service manual of C450.
FIELD SERVICE
2005.05
2005.05
Ver. 1.0
Ver. 1.0

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Summary of Contents for Konica Minolta bizhub C351

  • Page 1 SERVICE MANUAL FIELD SERVICE This service manual is issued for C351 that This service manual is issued for C351 that has been changed from C450. Therefore please has been changed from C450. Therefore please refer it along with the service manual of C450. refer it along with the service manual of C450.

  • Page 2: Important Notice

    IMPORTANT NOTICE Because of possible hazards to an inexperienced person servicing this product as well as the risk of damage to the product, KONICA MINOLTA BUSINESS TECHNOLOGIES, INC. (hereafter called the KMBT) strongly recommends that all servicing be performed only by KMBT-trained service technicians.

  • Page 3: Safety Warnings

    [1] MODIFICATIONS NOT AUTHORIZED BY KONICA MINOLTA BUSINESS TECHNOLOGIES, INC. KONICA MINOLTA brand products are renowned for their high reliability. This reliability is achieved through high-quality design and a solid service network. Product design is a highly complicated and delicate process where numerous mechanical, physical, and electrical aspects have to be taken into consideration, with the aim of arriving at proper tolerances and safety factors.
  • Page 4 SAFETY AND IMPORTANT WARNING ITEMS [2] POWER PLUG SELECTION In some countries or areas, the power plug provided with the product may not fit wall outlet used in the area. In that case, it is obligation of customer engineer (hereafter called the CE) to attach appropriate power plug or power cord set in order to connect the product to the supply.
  • Page 5 SAFETY AND IMPORTANT WARNING ITEMS [3] CHECKPOINTS WHEN PERFORMING ON-SITE SERVICE KONICA MINOLTA brand products are extensively tested before shipping, to ensure that all applicable safety standards are met, in order to protect the customer and customer engi- neer (hereafter called the CE) from the risk of injury. However, in daily use, any electrical equipment may be subject to parts wear and eventual failure.
  • Page 6 SAFETY AND IMPORTANT WARNING ITEMS Power Plug and Cord WARNING • When using the power cord set (inlet type) that came with this product, make sure the connector is securely inserted in the inlet of the product. When securing measure is provided, secure the cord with the fixture properly.
  • Page 7 SAFETY AND IMPORTANT WARNING ITEMS Wiring WARNING • Never use multi-plug adapters to plug multiple power cords in the same outlet. If used, the risk of fire exists. • When an extension cord is required, use a specified one. Current that can flow in the extension cord is limited, so using a too long extension cord may result in fire.
  • Page 8 SAFETY AND IMPORTANT WARNING ITEMS Ventilation CAUTION • The product generates ozone gas during operation, but it will not be harmful to the human body. If a bad smell of ozone is present in the following cases, ventilate the room. a.
  • Page 9 SAFETY AND IMPORTANT WARNING ITEMS Work Performed with the Product Powered On WARNING • Take every care when making adjustments or performing an operation check with the product powered. If you make adjustments or perform an operation check with the external cover detached, you may touch live or high-voltage parts or you may be caught in moving gears or the timing belt, leading to a risk of injury.
  • Page 10 SAFETY AND IMPORTANT WARNING ITEMS Safety Checkpoints WARNING • Check electrode units such as a charging corona unit for deterioration and sign of leakage. Current can leak, leading to a risk of trouble or fire. • Before disassembling or adjusting the write unit (P/H unit) incorporating a laser, make sure that the power cord has been disconnected.
  • Page 11 SAFETY AND IMPORTANT WARNING ITEMS Safety Checkpoints WARNING • Make sure that all screws, components, wiring, connec- tors, etc. that were removed for safety check and mainte- nance have been reinstalled in the original location. (Pay special attention to forgotten connectors, pinched cables, forgotten screws, etc.) A risk of product trouble, electric shock, and fire exists.
  • Page 12 SAFETY AND IMPORTANT WARNING ITEMS Handling of Service Materials CAUTION • Use only a small amount of cleaner at a time and take care not to spill any liquid. If this happens, immediately wipe it off. A risk of fire exists. •...
  • Page 13 SAFETY AND IMPORTANT WARNING ITEMS [4] Used Batteries Precautions ALL Areas CAUTION Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer’s instructions. Germany VORSICHT! Explosionsgefahr bei unsachgemäßem Austausch der Batterie.
  • Page 14 SAFETY AND IMPORTANT WARNING ITEMS [5] FUSE CAUTION Double pole / neutral fusing ATTENTION Double pôle / fusible sur le neutre. [6] LED Radiation Safety • This product is a copier which operates by means of a LED (light emitting diodes) expo- sure system.
  • Page 15 SAFETY AND IMPORTANT WARNING ITEMS WARNING INDICATIONS ON THE MACHINE Caution labels shown are attached in some areas on/in the machine. When accessing these areas for maintenance, repair, or adjustment, special care should be taken to avoid burns and electric shock. High temperature High voltage High voltage...
  • Page 16 SAFETY AND IMPORTANT WARNING ITEMS High voltage High voltage High voltage 4037P0C502DA S-15...
  • Page 17 SAFETY AND IMPORTANT WARNING ITEMS High voltage 4037P0C503DA CAUTION: • You may be burned or injured if you touch any area that you are advised not to touch by any caution label. Do not remove caution labels. If any caution label has come off or soiled and therefore the caution cannot be read, contact our Service Office.
  • Page 18 MEASURES TO TAKE IN CASE OF AN ACCIDENT MEASURES TO TAKE IN CASE OF AN ACCIDENT 1. If an accident has occurred, the distributor who has been notified first must immediately take emergency measures to provide relief to affected persons and to prevent further damage.
  • Page 19 MEASURES TO TAKE IN CASE OF AN ACCIDENT S-18...
  • Page 20 Composition of the service manual This service manual consists of Theory of Operation section and Field Service section to explain the main machine and its corresponding options. Theory of Operation section gives, as information for the CE to get a full understanding of the product, a rough outline of the object and role of each function, the relationship between the electrical system and the mechanical system, and the timing of operation of each part.
  • Page 21 Notation of the service manual A. Product name In this manual, each of the products is described as follows: (1) PWB-MC: Control Board (2) bizhub C351: Main body (3) Microsoft Windows 95: Windows 95 Microsoft Windows 98: Windows 98 Microsoft Windows Me: Windows Me Microsoft Windows NT 4.0:...

  • Page 22: Main Unit

    SERVICE MANUAL FIELD SERVICE Main Unit 2005.05 Ver. 1.0...
  • Page 23 Revision history After publication of this service manual, the parts and mechanism may be subject to change for improvement of their performance. Therefore, the descriptions given in this service manual may not coincide with the actual machine. When any change has been made to the descriptions in the service manual, a revised version will be issued with a revision mark added as required.

  • Page 24: Table Of Contents

    Field Service Ver. 1.0 May. 2005 CONTENTS General System configuration....................1 Product specifications ..................... 3 Maintenance Periodical check ...................... 7 Service schedule ....................7 Concept of parts life....................7 Firmware upgrade ....................8 Preparations for Firmware rewriting..............8 4.1.1 Service environment ..................8 4.1.2 Application to be used...................
  • Page 25 Field Service Ver. 1.0 May. 2005 Blank Page...

  • Page 26: System Configuration

    Field Service Ver. 1.0 May. 2005 1. System configuration General System configuration 1/2 System Front View [10] [11] [12] 4037T1C301AA Machine Job Separator JS-601 Paper Feed Cabinet PC-202 Finisher FS-603 Paper Feed Cabinet PC-102 Punch Kit PK-501 Paper Feed Cabinet PC-402 [10] Reverse Automatic Document Feeder DF-601 Desk DK-501...
  • Page 27 1. System configuration Field Service Ver. 1.0 May. 2005 2/2 System Rear View [10] PC-102 PC-202 DK-501 PC-402 4037F1E503DA Machine Image Controller IC-402 Fax Kit FK-502 Video Interface Kit VI-502 Mount Kit MK-703 Local Interface Kit EK-702 Mount Kit MK-704 Mechanical Counter MC-501 Dehumidifier Heater 1C [10]...

  • Page 28: Product Specifications

    Field Service Ver. 1.0 May. 2005 2. Product specifications Product specifications A. Type Type Desktop-type printer integrated with scanner Copying System Electrostatic dry-powdered image transfer to plain paper Printing Process Tandem-type indirect electrostatic recording system PC Drum Type OPC (organic photo conductor) Scanning Density Equivalent to 600 dpi Exposure Lamp...
  • Page 29 2. Product specifications Field Service Ver. 1.0 May. 2005 C. Types of Paper Paper Source Tray1 Tray2 Multiple Bypass Plain paper ❍ ❍ ❍ (60 to 90 g/m / 16 to 24 lb Translucent paper – – – OHP transparencies (crosswise –...
  • Page 30 Field Service Ver. 1.0 May. 2005 2. Product specifications F. Operating Environment Temperature 10 to 30 °C / 50 to 86° F (with a fluctuation of 10° C / 18° F or less per hour) Humidity 15 to 85 % (with a fluctuation of 20 %/h) G.
  • Page 31 2. Product specifications Field Service Ver. 1.0 May. 2005 Blank Page...

  • Page 32: Periodical Check

    Field Service Ver. 1.0 May. 2005 3. Periodical check Maintenance Periodical check Service schedule Guarantee period (5-year or 800,000 prints) × 10,000-print Per cycle Number × print of times 6 12 15 18 20 24 30 36 40 42 45 48 54 60 66 72 75 78 number Upon ●...

  • Page 33: Firmware Upgrade

    4. Firmware upgrade Field Service Ver. 1.0 May. 2005 Firmware upgrade Preparations for Firmware rewriting 4.1.1 Service environment • OS: Windows 2000 • Drive which enables writing/reading of Compact flash • Compact flash (with 128MB or more) 4.1.2 Application to be used •...
  • Page 34 Field Service Ver. 1.0 May. 2005 4. Firmware upgrade 4. Specify the folder for installation. Check to make sure that “Root Directory” is in default setting, [C:\cygwin]. NOTE • Make sure to check that “Root Directory” is in default setting, [C:\cygwin]. •...
  • Page 35 4. Firmware upgrade Field Service Ver. 1.0 May. 2005 8. Click [Next (N)]. 4037F2E549DA 9. Click [Complete] to start installing. 4037F2E550DA 10. After installing, open the Property of “My Computer”, and click the “Environmental Vari- able” of “Advanced” tab. 11. Click the “New” in System Variable Setting. 4036fs2620e0...

  • Page 36: Writing Into Compact Flash

    Field Service Ver. 1.0 May. 2005 4. Firmware upgrade 12. Set the following two values as the Windows Environmental Variable. Variable name Variable value CYGWIN ntsec HOME /home/username 4036fs2621e0 4.1.4 Writing into the Compact flash 1. Put the data of Firmware in the optional directory. (C:\C351 in the below figure) 4037F2E551DA NOTE •...
  • Page 37 4. Firmware upgrade Field Service Ver. 1.0 May. 2005 2. Double-click the Firmware data, and specify the directory to be uncompressed, and then uncompress it. 4037F2E552DA NOTE • When old Firmware is still left in the specified directory to be uncompressed, delete it before uncompressing.
  • Page 38 Field Service Ver. 1.0 May. 2005 4. Firmware upgrade → → → 4. Click “Start” “Program” “Accessories” “Command Prompt” to open the Com- mand Prompt. 5. Use the Command prompt to move into the uncompressed directory. 6. Specify the Drive of Compact flash, which was recognized through the procedure 3, and execute the “mksf.bat.”...

  • Page 39: Special Parts Of C

    5. Other Field Service Ver. 1.0 May. 2005 Other Special Parts of C351 • Special components intended for C351 are set for adjustment of transport speed. • Exchange procedures of the special components are same as C450. For exchange procedures, see the service manual of C450. Special Parts List •...

  • Page 40: Fusing Temperature

    Field Service Ver. 1.0 May. 2005 6. Service Mode Adjustment/Setting Service Mode Machine 6.1.1 Fusing Temperature Functions • To adjust individually the temperature of the Heating Roller and the Fusing Pressure Roller for each type of paper, thereby coping with varying fusing performance under changing environmental conditions.

  • Page 41: Fusing Transport Speed

    6. Service Mode Field Service Ver. 1.0 May. 2005 6.1.2 Fusing Transport Speed Functions • To adjust the speed of the Fusing Drive Motor so as to match the fusing speed with transport speed. • Brush effect or blurred image is evident as a result of changes in environmental con- ditions or degraded durability.

  • Page 42: Troubleshooting

    Field Service Ver. 1.0 May. 2005 7. Jam Display Troubleshooting Jam Display Solution 7.1.1 Tray 1 take-up, 2nd Image Transfer, Fusing Misfeed A. Detection Timing Type Description The leading edge of the paper does not block the Exit Sensor (PC30) even after the lapse of a given period of time after the Registration Roller Clutch has been 2nd Image Transfer, energized.
  • Page 43 7. Jam Display Field Service Ver. 1.0 May. 2005 B. Action Relevant Electrical Parts Tray 1 Double Feed Sensor (PC1) Control Board (PWB-MC) Registration Roller Sensor (PC28) Registration Roller Clutch (CL3) Exit Sensor (PC30) Tray 1 Paper Feed Clutch (CL1) OHP Sensor (PC27) WIRING DIAGRAM Location...

  • Page 44: Parts Layout Drawing

    Field Service Ver. 1.0 May. 2005 8. Parts layout drawing Appendix Parts layout drawing DF-601 (Option) [17] [16] [15] [14] [13] [12] [11] [10] 4037F5C519DA Exit Motor (M3-DF) [10] Empty Sensor (PC4-DF) Exit Cover Sensor (PC7-DF) [11] Pick-up Sensor (PC2-DF) Exit Sensor (PC6-DF) [12] Registration Sensor (PC1-DF)

  • Page 45: Timing Chart

    9. Timing chart Field Service Ver. 1.0 May. 2005 Timing chart DF-601 (Option) 1-sided mode...
  • Page 46 Field Service Ver. 1.0 May. 2005 9. Timing chart...
  • Page 47 9. Timing chart Field Service Ver. 1.0 May. 2005...
  • Page 48 Field Service Ver. 1.0 May. 2005 9. Timing chart...
  • Page 49 9. Timing chart Field Service Ver. 1.0 May. 2005 Mixed original detection mode...
  • Page 50 Field Service Ver. 1.0 May. 2005 9. Timing chart...
  • Page 51 9. Timing chart Field Service Ver. 1.0 May. 2005...
  • Page 52 Field Service Ver. 1.0 May. 2005 9. Timing chart...
  • Page 53 9. Timing chart Field Service Ver. 1.0 May. 2005...
  • Page 54 Field Service Ver. 1.0 May. 2005 9. Timing chart...
  • Page 55 9. Timing chart Field Service Ver. 1.0 May. 2005...
  • Page 56 © 2005 KONICA MINOLTA BUSINESS TECHNOLOGIES, INC. © 2005 KONICA MINOLTA BUSINESS TECHNOLOGIES, INC. Printed in Japan Printed in Japan Use of this manual should be strictly supervised to Use of this manual should be strictly supervised to DD4037PE1-P000 DD4037PE1-P000 avoid disclosure of confidential information.

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