Konica Minolta pagepro 5650EN Service Manual
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Konica Minolta pagepro 5650EN Service Manual

Konica Minolta pagepro 5650EN Service Manual

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See also: Service Manual , Reference Manual
SERVICE MANUAL
pagepro
pagepro
5650EN/4650EN
5650EN/4650EN
THEORY OF OPERATION
2007.11
2007.11
Ver. 1.0
Ver. 1.0

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Summary of Contents for Konica Minolta pagepro 5650EN

  • Page 1 SERVICE MANUAL THEORY OF OPERATION pagepro pagepro 5650EN/4650EN 5650EN/4650EN 2007.11 2007.11 Ver. 1.0 Ver. 1.0...

  • Page 2: Table Of Contents

    WARNING INDICATIONS ON THE MACHINE ............S-18 MEASURES TO TAKE IN CASE OF AN ACCIDENT ............S-19 Composition of the service manual ................. C-1 Notation of the service manual ..................C-2 pagepro 5650EN/4650EN Main body Outline ..........................1 Composition/Operation ....................9 Duplex Outline ..........................
  • Page 3 Blank Page...

  • Page 4: Safety And Important Warning Items

    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 5: 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 6 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 7: Connection To Power Supply

    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 8 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 9 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 10 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 11 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 12 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 13: Handling Of Consumables

    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 14 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 15 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 16: Internal Laser Radiation

    Internal Laser Radiation semiconductor laser Maximum power of the laser diode 10 mW Maximum average radiation power (*) pagepro 5650EN 220 µW pagepro 4650EN 170 µW Wavelength 775-800 nm *at laser aperture of the Print Head Unit •...
  • Page 17 SAFETY AND IMPORTANT WARNING ITEMS U.S.A., Canada (CDRH Regulation) • This machine is certified as a Class 1 Laser product under Radiation Performance Stan- dard according to the Food, Drug and Cosmetic Act of 1990. Compliance is mandatory for Laser products marketed in the United States and is reported to the Center for Devices and Radiological Health (CDRH) of the U.S.
  • Page 18 SAFETY AND IMPORTANT WARNING ITEMS Finland, Sweden LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT VAROITUS! • Laitteen käyttäminen muulla kuin tässä käyttöohjeessa mainitulla tavalla saat- taa altistaa käyttäjän turvallisuusluokan 1 ylittävälle näkymättömälle laser- säteilylle. puolijohdelaser Laserdiodin suurin teho 10 mW aallonpituus 775-800 nm VARNING!

  • Page 19: Laser Safety Label

    SAFETY AND IMPORTANT WARNING ITEMS Laser Safety Label • A laser safety label is attached to the inside of the machine as shown below. A0DXP0C502DA Laser Caution Label • A laser caution label is attached to the outside of the machine as shown below. A0DXP0C501DA S-16...

  • Page 20: Precautions For Handling The Laser Equipment

    SAFETY AND IMPORTANT WARNING ITEMS PRECAUTIONS FOR HANDLING THE LASER EQUIPMENT • When laser protective goggles are to be used, select ones with a lens conforming to the above specifications. • When a disassembly job needs to be performed in the laser beam path, such as when working around the printer head and PC drum, be sure first to turn the printer OFF.

  • Page 21: Warning Indications On The Machine

    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 voltage •...

  • Page 22: Measures To Take In Case Of An Accident

    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 23 MEASURES TO TAKE IN CASE OF AN ACCIDENT Blank Page S-20...

  • Page 24: Composition Of The Service Manual

    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 25: Notation Of The Service Manual

    Notation of the service manual A. Product name In this manual, each of the products is described as follows: (1) pagepro 5650EN/4650EN Main body (2) Microsoft Windows 95: Windows 95 Microsoft Windows 98: Windows 98 Microsoft Windows Me: Windows Me Microsoft Windows NT 4.0:...

  • Page 26: Main Body

    SERVICE MANUAL THEORY OF OPERATION pagepro pagepro 5650EN/4650EN 5650EN/4650EN Main body 2007.11 Ver. 1.0...

  • Page 27: Revision History

    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 28 Theory of operation Ver. 1.0 Nov. 2007 CONTENTS pagepro 5650EN/4650EN Main body Outline System configuration....................1 Product specifications ..................... 3 Section configuration....................6 Media path ......................7 Image creation process ................... 8 Composition/Operation Overall composition....................9 Overall process..................... 9 Paper Transport Path ..................10 Driving Force Transmission Path ................
  • Page 29 Theory of operation Ver. 1.0 Nov. 2007 Operation......................22 9.3.1 Paper Cassette ................... 22 9.3.2 Paper feeder ....................23 9.3.3 Control of Paper Size.................. 24 Fusing section....................... 25 10.1 Composition ....................... 25 10.2 Drive ........................26 10.3 Operation......................27 10.3.1 Overview.....................

  • Page 30: Outline

    System configuration A. pagepro 5650EN System front view A0DXF1C502DA Main body Hard disk kit Offset tray DIMM (128 MB) Face up tray *1 DIMM (256 MB) Duplex (for pagepro 5650EN) Lower feeder unit (for pagepro 5650EN) CF adapter *1: Standard equipment...
  • Page 31 1. System configuration Theory of operation Ver. 1.0 Nov. 2007 B. pagepro 4650EN System front view A0DXF1C501DA Main body Hard disk kit Offset tray DIMM (128 MB) Face up tray DIMM (256 MB) Duplex (for pagepro 4650EN) Lower feeder unit (for pagepro 4650EN) CF adapter...

  • Page 32: Product Specifications

    B. Functions Average: 20 sec. or less Warm-up time (Power on to ready, at ambient temperature of 22° C/71.6° F and rated source voltage) Process speed pagepro 5650EN 269.0 mm/sec pagepro 4650EN 204.0 mm/sec First print output time Simplex 9.4 sec. (A4S/Letter S, plain paper) pagepro 5650EN 12.6 sec.
  • Page 33 Tray 2 Length: 148.0 to 355.6 mm (5.83 to 14.0 inches) Media types • Plain paper pagepro 5650EN: 68 to 105 g/m ; 18.13 to 28 lb pagepro 4650EN: 60 to 105 g/m ; 16 to 28 lb • Recycled paper pagepro 5650EN: 68 to 105 g/m ;...
  • Page 34 #10, envelope C6, envelope DL, envelope monarch, envelope youkei #4, envelope choukei #3, youkei 0, envelope choukei #4, japanese postcard, or custom size of 120 mm (width) or less. pagepro 5650EN only C. Maintenance Machine durability 1,000,000 prints or 5 years, whichever comes first D.

  • Page 35: Section Configuration

    3. Section configuration Theory of operation Ver. 1.0 Nov. 2007 Section configuration Exit section Fusing section Toner cartridge PH unit section Transfer section Tray1 Tray2 A0DXT1C501AA...

  • Page 36: Media Path

    Theory of operation Ver. 1.0 Nov. 2007 4. Media path Media path A0DXT1C502AA...

  • Page 37: Image Creation Process

    5. Image creation process Theory of operation Ver. 1.0 Nov. 2007 Image creation process Paper Feeding 1. Charging 3. Development 2. Exposure 4. Transfer 6. Fixing 5. Separation Print out 7. Cleaning Next print cycle : Flow of paper : Transfer process Charging •...

  • Page 38: Composition/Operation

    Theory of operation Ver. 1.0 Nov. 2007 6. Overall composition Composition/Operation Overall composition Overall process • Main components directly associated with the print process and transport of the paper are shown in the following figure. Heat roller Pressure roller Fuser unit Charge roller Charge Neutralizing Plate Transfer roller...

  • Page 39: Paper Transport Path

    6. Overall composition Theory of operation Ver. 1.0 Nov. 2007 Paper Transport Path Option Lower Feeder Unit Option Lower Feeder Unit Tray4 Tray2 Tray3 Tray1 Option Lower Feeder Unit Option Lower Feeder Unit Pick-up roller Pick-up roller Pick-up roller Tray4 Tray2 Tray1 Tray3...

  • Page 40: Driving Force Transmission Path

    Theory of operation Ver. 1.0 Nov. 2007 6. Overall composition Driving Force Transmission Path 6.3.1 Main motor • The rotating force of the main motor is transmitted via gears in the gear assy and via the gear assy to components that need mechanical driving force as shown in the following flow.

  • Page 41: Exit Motor

    6. Overall composition Theory of operation Ver. 1.0 Nov. 2007 6.3.2 Exit motor • The rotating force of the exit motor is transmitted via various gears to components that need mechanical driving force as shown in the following flow. Exit motor Some drive gears Face up tray exit roller Exit roller...

  • Page 42: Write Section (Ph Section)

    Theory of operation Ver. 1.0 Nov. 2007 7. Write section (PH section) Write section (PH section) Composition A0DXT2C529AA A0DXT2C502AA SOS board LD Assembly Polygon motor Assembly A0DXT2E503AA...

  • Page 43: Operation

    7. Write section (PH section) Theory of operation Ver. 1.0 Nov. 2007 Operation 7.2.1 Overview • The PH unit scans the surface of the drum with a laser beam. The PH unit consists of the following three components, i.e., LD (Laser Diode) Assembly, Polygon motor assy, and SOS board.

  • Page 44: Scan Operation

    • The following table gives the resolution that differs according to the specifications of the machine, and the corresponding rotational speeds of the polygon motor. Type Process Speed Resolution RPM of polygon motor 600 dpi 31,772 rpm pagepro 5650EN 269 mm/s 1200 dpi 31,772 rpm 600 dpi 24,094.49 rpm pagepro 4650EN 204 mm/s 1200 dpi 24,094.49 rpm...

  • Page 45: Warm-Up Of Ph Unit

    7. Write section (PH section) Theory of operation Ver. 1.0 Nov. 2007 7.2.7 Warm-up of PH unit • The Polygon motor rotates simultaneously with the warm-up of the PH unit. The SOS signal is sampled at intervals of 100 ms. If the obtained value is shorter than the Ready reference value three consecutive times, the warm-up of the PH unit is ended (The Poly- gon motor is rotating at a constant speed).

  • Page 46: Toner Cartridge Section

    Theory of operation Ver. 1.0 Nov. 2007 8. Toner cartridge section Toner cartridge section Composition A0DXT2C530AA A0DXT2C514AA Transfer roller unit Toner cartridge A0DXT2E515AA...

  • Page 47: Drive

    8. Toner cartridge section Theory of operation Ver. 1.0 Nov. 2007 Drive Link lever Gear assy housing Gear assy plate Main motor A0DXT2E516AA Toner cartridge Main motor A0DXT2E508AA...

  • Page 48: Operation

    Theory of operation Ver. 1.0 Nov. 2007 8. Toner cartridge section Operation 8.3.1 Overview • The toner cartridge is also known as CRU (Customer Replaceable Unit), and is made up of the following five components. A. Drum • This is a cylinder of aluminum and coated with a photoconductive material. Because of this photoconductive coating layer, electric charges are retained on the surface in the dark, and electrical conduction occurs when exposed to light.

  • Page 49: Media Feed Section (Tray 1 / Tray 2)

    9. Media feed section (Tray 1 / Tray 2) Theory of operation Ver. 1.0 Nov. 2007 Media feed section (Tray 1 / Tray 2) Composition A0DXT2C531AA A0DXT2E518AA <Tray 1> Media pressure plate Media guide (width) Lock lever Stopper Media guide (width) Lock tab Media guide (length) A0DXT2E519AA...

  • Page 50: Drive

    Theory of operation Ver. 1.0 Nov. 2007 9. Media feed section (Tray 1 / Tray 2) Drive Registration roll Tray1 feed roller Registration sensor Registration roller Registration roller clutch Tray1 media feed clutch Tray1 media Tray1 media size switch empty sensor Tray2 media Actuator for size switch...

  • Page 51: Operation

    9. Media feed section (Tray 1 / Tray 2) Theory of operation Ver. 1.0 Nov. 2007 Operation 9.3.1 Paper Cassette A. Setting the media longer than A4 • If the paper is smaller than A4, adjust the media guide (width) and media guide (length) on the paper cassette to match the size.

  • Page 52: Paper Feeder

    Theory of operation Ver. 1.0 Nov. 2007 9. Media feed section (Tray 1 / Tray 2) D. Media guide (length) • This can be adjusted to different paper sizes by making a forward or backward adjust- ment. This makes contact with the rear end of the paper, and holds it in position in the forward and rearward directions.

  • Page 53: Control Of Paper Size

    9. Media feed section (Tray 1 / Tray 2) Theory of operation Ver. 1.0 Nov. 2007 B. Size Switch • A switch for setting the size of paper supplied from each Paper Cassette is mounted. A signal indicating the set size is transmitted as a voltage to the PRCB. C.

  • Page 54: 10. Fusing Section

    Theory of operation Ver. 1.0 Nov. 2007 10. Fusing section 10. Fusing section 10.1 Composition A0DXT2C532AA A0DXT2E522AA Exit Sensor Actuator Themistor Pressure roller Heat roller Thermostat A0DXT2E523AA...

  • Page 55: 10.2 Drive

    10. Fusing section Theory of operation Ver. 1.0 Nov. 2007 10.2 Drive Fuser assy Heat roller Main motor A0DXT2E511AA...

  • Page 56: 10.3 Operation

    Theory of operation Ver. 1.0 Nov. 2007 10. Fusing section 10.3 Operation 10.3.1 Overview A. Heat roller • This is a hollow metal tube having a coated surface. This tube is heated by the inside Heater Rod. Heat is applied to the paper passing between this roller and the Pressure roller.

  • Page 57: Fusing Control

    10. Fusing section Theory of operation Ver. 1.0 Nov. 2007 10.3.2 Fusing Control • This sensor detects the arrival of the paper at a detection point in the exit area positioned behind the fuser unit. This sensor also detects the discharge of the paper from this point. When the sensor receives light (i.e., paper is present), /EXIT goes Low.

  • Page 58: 11. Media Exit Section

    Theory of operation Ver. 1.0 Nov. 2007 11. Media exit section 11. Media exit section 11.1 Composition A0DXT2C533AA A0DXT2E525AA Exit roller Media full sensor Offset tray exit gate Face up sensor Face up gate lever Exit motor Face up gate Face up tray exit roller Face up gate A0DXT2E526AA...

  • Page 59: 11.2 Drive

    11. Media exit section Theory of operation Ver. 1.0 Nov. 2007 11.2 Drive Exit roller Exit drive section Face up tray exit roller Exit motor A0DXT2E512AA...

  • Page 60: Exit Roller

    Theory of operation Ver. 1.0 Nov. 2007 11. Media exit section 11.3 Operation • Exit section is components for discharging the printed paper out of the printer. Exit sec- tion enables Face-Up output to the Option Face Up Tray (mounted on the rear surface of the machine), and output to Option offset tray as well as Face-Down output.
  • Page 61 11. Media exit section Theory of operation Ver. 1.0 Nov. 2007 Blank Page...
  • Page 62 SERVICE MANUAL THEORY OF OPERATION Duplex 2007.11 Ver. 1.0...
  • Page 63 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 64 Theory of operation Ver. 1.0 Nov. 2007 CONTENTS Duplex Outline Product specifications ..................... 1 Composition/Operation Composition ......................3 Drive ........................4 Operation ........................ 5 Driving Force Transmission Path ................5 4.1.1 Transport motor..................... 5 4.1.2 Layout of paper transport path ..............5 Actions of Main Functional Components ..............
  • Page 65 Theory of operation Ver. 1.0 Nov. 2007 Blank Page...

  • Page 66: Outline

    For pagepro 5650EN 13.75 inch (W) × 5.75 inch (D) × 10 inch (H) For pagepro 4650EN Approx. 1.9 kg (4.25 lb) Weight For pagepro 5650EN Approx. 2.1 kg (4.75 lb) NOTE • These specifications are subject to change without notice.
  • Page 67 1. Product specifications Theory of operation Ver. 1.0 Nov. 2007 Blank Page...

  • Page 68: Composition/Operation

    Theory of operation Ver. 1.0 Nov. 2007 2. Composition Composition/Operation Composition A0FHT2C506AA A0FHT2C501AA pagepro 4650EN pagepro 5650EN A0DXT2C536AA pagepro 5650EN pagepro 4650EN Transport sensor Duplex transport roller Cooling fan motor AD control board Duplex cover switch Transport motor Cooling fan motor...

  • Page 69: Drive

    3. Drive Theory of operation Ver. 1.0 Nov. 2007 Drive Transport roller 1 Transport roller 2 Transport motor Transport roller 3 A0FHT2C503AA...

  • Page 70: Operation

    Theory of operation Ver. 1.0 Nov. 2007 4. Operation Operation Driving Force Transmission Path 4.1.1 Transport motor • The rotating force of the transport motor is transmitted via various gears to components that need mechanical driving force as shown in the flow given below. Transport motor Gear Gear...

  • Page 71: Actions Of Main Functional Components

    4. Operation Theory of operation Ver. 1.0 Nov. 2007 Actions of Main Functional Components 4.2.1 Overview • The Option Duplex is available as an optional unit for pagepro 4650EN/5650EN laser printer. Duplex printing is enabled by mounting this optional unit to the rear side of the base engine.

  • Page 72: Lower Feeder Unit

    SERVICE MANUAL THEORY OF OPERATION Lower Feeder Unit 2007.11 Ver. 1.0...
  • Page 73 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 74 Theory of operation Ver. 1.0 Nov. 2007 CONTENTS Lower feeder unit Outline Product specifications ..................... 1 Composition/Operation Composition ......................3 Drive ........................4 Operations....................... 5 Driving Force Transmission Path ................5 4.1.1 Media feed motor ..................5 4.1.2 Layout of Paper Transport Path..............5 Actions of Main Functional Components ..............
  • Page 75 Theory of operation Ver. 1.0 Nov. 2007 Blank Page...

  • Page 76: Outline

    ; 28.27 to 42.4 lb.) Thick 2 (160 to 216 g/m ; 42.67 to 57.6 lb.) Thick 3 (106 to 216 g/m ; 28.27 to 57.6 lb.) *pagepro 5650EN only Postcards Thin paper *pagepro 5650EN only Plain/Recycled paper: 550 sheets...
  • Page 77 1. Product specifications Theory of operation Ver. 1.0 Nov. 2007 Blank Page...

  • Page 78: Composition/Operation

    Theory of operation Ver. 1.0 Nov. 2007 2. Composition Composition/Operation Composition A0FGT2C507AA A0FGT2C501AA pagepro 4650EN pagepro 5650EN A0FGT2C506AA Transport roller Optional tray feed section Actuator for empty sensor Media empty sensor Media near empty sensor Actuator for near empty sensor...

  • Page 79: Drive

    3. Drive Theory of operation Ver. 1.0 Nov. 2007 Drive Media feed clutch Transport clutch Media feed motor A0FGT2C503AA...

  • Page 80: Operations

    Theory of operation Ver. 1.0 Nov. 2007 4. Operations Operations Driving Force Transmission Path 4.1.1 Media feed motor • The rotating force of the media feed motor is transmitted via various gears to compo- nents that need mechanical driving force as shown in the flow given below. Media feed motor Same drive gears Same drive gears...

  • Page 81: Actions Of Main Functional Components

    4. Operations Theory of operation Ver. 1.0 Nov. 2007 Actions of Main Functional Components 4.2.1 Overview • The Option lower feeder unit is available as an optional feeder for pagepro 4650EN/ 5650EN laser printer. The Paper Cassette installed in the optical feeder is identical in function with the standard Paper Cassette used by the base engine, and so the descrip- tion of the Paper Cassette is omitted here.

  • Page 82: Transport Roller

    Theory of operation Ver. 1.0 Nov. 2007 4. Operations 4.2.8 Transport roller • This roll conveys the paper into the printer after the paper is transported by the feed roller and pick-up roller. The driving power from the Media feed motor is transmitted to the roller via the Transport clutch.
  • Page 83 4. Operations Theory of operation Ver. 1.0 Nov. 2007 Blank Page...

  • Page 84: Offset Tray

    SERVICE MANUAL THEORY OF OPERATION Offset tray 2007.11 Ver. 1.0...
  • Page 85 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 86 Theory of operation Ver. 1.0 Nov. 2007 CONTENTS Offset tray Outline Product specifications ..................... 1 Composition/Operation Composition ......................3 Drive ........................4 Operations....................... 5 Driving Force Transmission Path ................5 4.1.1 Transport motor..................... 5 4.1.2 Layout of Paper Transport Path..............5 Actions of Main Functional Components ..............
  • Page 87 Theory of operation Ver. 1.0 Nov. 2007 Blank Page...

  • Page 88: Outline

    Theory of operation Ver. 1.0 Nov. 2007 1. Product specifications Outline Product specifications A. Type Name Offset tray Installation Install at the top section of the printer Document alignment Center Media ejection system Face down B. Functions Modes Offset, Job separation C.
  • Page 89 1. Product specifications Theory of operation Ver. 1.0 Nov. 2007 Blank Page...

  • Page 90: Composition/Operation

    Theory of operation Ver. 1.0 Nov. 2007 2. Composition Composition/Operation Composition A0FJT2C507AA A0FJT2C501AA Offset tray exit roller Transport motor Offset tray rear cover switch Media full sensor Offset sensor Offset tray control board Offset tray exit sensor Media feed roller Offset motor Offset assy Exit tray route change solenoid...

  • Page 91: Drive

    3. Drive Theory of operation Ver. 1.0 Nov. 2007 Drive Offset tray exit roller Transport motor Media feed roller A0FJT2C504AA...

  • Page 92: Operations

    Theory of operation Ver. 1.0 Nov. 2007 4. Operations Operations Driving Force Transmission Path 4.1.1 Transport motor • The rotating force of the transport motor is transmitted via various gears to components that need mechanical driving force as shown in the flow given below. Transport motor GEAR Same drive gears...

  • Page 93: Actions Of Main Functional Components

    4. Operations Theory of operation Ver. 1.0 Nov. 2007 Actions of Main Functional Components 4.2.1 Overview • The Option offset tray is available as an optional unit for pagepro 4650EN/5650EN laser printer. Offset output is enabled by mounting this optional unit to the top of the 500 Paper Exit.

  • Page 94: Offset Assy

    Theory of operation Ver. 1.0 Nov. 2007 4. Operations 4.2.12 Offset Assy • This is driven by the Offset motor and cam. During paper output, it moves right and left to perform offset operation. The standard distance between offset paper and non-offset paper is 25mm.
  • Page 95 4. Operations Theory of operation Ver. 1.0 Nov. 2007...
  • Page 96 © 2007 KONICA MINOLTA BUSINESS TECHNOLOGIES, INC. © 2007 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 DDA0DX-A-TE1 DDA0DX-A-TE1 avoid disclosure of confidential information.

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