Minolta magicolor 2300 Series Service Manual
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Minolta magicolor 2300 Series Service Manual

Minolta magicolor 2300 Series Service Manual

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magicolor 2300 Series
Service Manual
1750058-001A

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  • Page 1 2300 Series Service Manual 1750058-001A...

  • Page 2: Proprietary Statement

    MINOLTA-QMS, Inc. Copyright Notice This manual is Copyrighted © 2002 by MINOLTA-QMS, Inc., One Magnum Pass, Mobile, AL 36618. All Rights Reserved. This document may not be copied, in whole or part, nor transferred to any other media or language, without written permission of MINOLTA-QMS, Inc.

  • Page 3: Table Of Contents

    SAFETY ...............7 Safety Precautions for Inspection and Service ............ 9 Warning ......................9 Caution ......................11 Used Batteries Precautions ................. 13 Other Precautions ..................14 Precautions for Service ................14 Safety information ..................18 Laser Safety Label ..................21 Laser Caution Label ..................21 PRECAUTIONS FOR HANDLING THE LASER EQUIPMENT ....
  • Page 4 Fusing Temperature Control ............... 64 PAPER TAKE-UP SECTION ................66 Manual Feed Tray ..................66 Second Cassette (Option) ................67 OTHER MECHANISMS ..................68 Duplex Unit (Option) ..................68 DISASSEMBLY/ASSEMBLY ........75 Disassembly/Assembly Precautions ..............77 Precautions for disassembly and assembly ..........77 Parts that must not be touched ..............
  • Page 5 Removing the relay control board (PWB-A) for the Second paper cassette 101 Removing the relay control board (PWB-A) for the duplex unit (optional) . 102 Removing the transport sensor ..............102 Removing the turnover motor and the transport motor ......103 Others ......................

  • Page 7: Safety

    SAFETY...

  • Page 9: Safety Precautions For Inspection And Service

    SAFETY PRECAUTIONS FOR INSPECTION AND SERVICE • When performing inspection and service procedures, observe the following precautions to prevent accidents and ensure utmost safety. Depending on the model, some of the precautions given in the following do not apply. • Different markings are used to denote specific meanings as detailed below. WARNING •...
  • Page 10 WARNING 3. Do not throw toner or the toner bottle into a fire. • Do not throw toner or the Toner Bottle (Imaging Cartridge, Toner Cartridge) into a fire. Toner expelled from the fire may cause burns. 4. Use the specified parts. •...

  • Page 11: Caution

    WARNING 9. Maintain a Grounded Connection at all times. • Connect the power cord to an electrical outlet that is equipped with a ground- ing terminal. 10. Do not remodel the product. • Modifying this product in a manner not authorized by the manufacturer may result in a fire or electric shock.
  • Page 12 CAUTION 2. Precautions for Servicing with Covers and Parts Removed. • Wherever feasible, keep all parts and covers mounted when energizing the product. • If energizing the product with a cover removed is absolutely unavoidable, do not touch any exposed live parts and use care not to allow your clothing to be caught in the moving parts.

  • Page 13: Used Batteries Precautions

    1-3. 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. Ersatz nur durch denselben oder einen vom Hersteller empfohlenen gleichwertigen Typ.

  • Page 14: Other Precautions

    1-4. Other Precautions • When handling circuit boards, observe the “HANDLING of PWBs”. • The PC Drum is a very delicate component. Observe the precautions given in “HAN- DLING OF THE PC DRUM” because mishandling may result in serious image problems. •...
  • Page 15 4. Precautions for Dis/Reassembly • Be sure to unplug the copier from the outlet before attempting to service the copier. • The basic rule is not to operate the copier anytime during disassembly. If it is absolutely necessary to run the copier with its covers removed, use care not to allow your clothing to be caught in revolving parts such as the timing belt and gears.
  • Page 16 8. Handling of the PC Drum Only for Products Not Employing an Imaging Cartridge. During Transportation/Storage • Use the specified carton whenever moving or storing the PC Drum. • The storage temperature is in the range between –20°C and +40°C. •...
  • Page 17 C. Soak a small amount of either ethyl alcohol or iso- propyl alcohol into a clean, unused Dust-Free Cot- ton Pad which has been folded over into quarters. Now, wipe the surface of the PC Drum in one con- tinuous movement from its rear edge to its front edge and off its surface one to two times.

  • Page 18: Safety Information

    1-6. Safety information Laser Safety • This is a digital machine certified as a class 1 laser product. There is no possibility of danger from a laser, provided the machine is serviced according to the instruction in this manual. Internal Laser Radiation semiconductor laser Maximum average radiation power(*) 4.68 µW...
  • Page 19 the U.S.A., Canada (CDRH Regulation) • This machine is certified as a Class I 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 20 Finland, Sweden LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT VAROITUS! Laitteen käyttäminen muulla kuin tässä käyttöohjeessa mainitulla tavalla saattaa altistaa käyttäjän turvallisuusluokan 1 ylittävälle näkymättömälle lasersäteilylle. puolijohdelaser Laserdiodin suurin teho 5 mW aallonpituus 770-795 nm VARNING! Om apparaten används på annat sätt än i denna bruksanvisning specificerats, kan användaren utsättas för osynlig laserstrålning, som överskrider gränsen för laserklass 1.

  • Page 21: Laser Safety Label

    1-7. Laser Safety Label • A laser safety label is attached to the outside of the machine as shown below. for 120V for 220 - 240V 4131o003AA 1-8. Laser Caution Label • A laser caution label is attached to the inside of the machine as shown below. C4131s005AA...

  • Page 22: Precautions For Handling The Laser Equipment

    1-9. 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 printerhead and PC Drum, be sure first to turn the printer OFF.

  • Page 23: General

    GENERAL...

  • Page 25: Product Specifications

    Product Specifications Printer Type Desktop full-color laser beam printer Printing method Electrophotographic (two-part imaging cartridge) Exposure method Laser diode and polygon mirror scanning Print resolution 600 dpi (dots/inch) Media sizes A5T, B5T, A4, Letter, Legal Plain paper (60-90 g/m2), recycled paper, overhead projector trans- parencies, letterheads, envelopes (Monarch, Com-10, DL, C5, C6, Media types Youkei -0, Youkei -1, Youkei -4, Youkei -6), label sheets, thick paper...
  • Page 26 Drum cartridge life 45,000 pages (black/white ratio=5%) Toner cartridge life (purchased 4,500 pages (black/white ratio=5%) separately) 1,500 pages (black/white ratio=5%) Toner cartridge life (enclosed Black: 1,500 pages (black/white ratio=5%) cartridge) Color: 1,500 pages (color/white ratio for each color=5%) Options Second paper cassette Duplex unit Second paper cassette (Option) Name...
  • Page 27 Controller (PWB-P) D8405 200MHz Memory configuration Standard ROM: 4MB Standard RAM: 32MB Standard I/F Ethernet (10/100BASE-TX, RJ-45) IEEE1284 (Compatible/Nibble/ECP/EPP) USB Type B connector Network protocol TCP/IP DHCP, ARP/ICMP, BOOTP, SLP, IPP, HTTP, SNMP, LPR Network print service RAW Port Printing (9100) IPP1.0 (http://Printer IP address/ipp.cgi) LPD (Queue Name: lp, LP, default, DEFAULT) Resolution...

  • Page 28: Installation Precautions

    Installation Precautions 2-1. Installation environment To ensure safety and prevent possible malfunctions, install the unit in a location that meets the following requirements. • A location that is not exposed to extremely high or low temperatures and not exposed to extremely high or low humidity.

  • Page 29: Space Requirements

    2-3. Space requirements • In order to reduce the risk of electric shock in the event of a short circuit, the ground wire must be connected. • Attach the ground wire to the ground terminal of the electrical outlet or to a ground con- nection that complies with local electrical standards.

  • Page 30: Operation Precautions

    Operation Precautions 3-1. Ensuring the optimum performance of this unit • Never place heavy objects on the unit or subject it to shocks. • Make sure that the power supply plug is securely inserted into the electrical outlet. • Never remove secured panels or open doors of the unit while it is printing. •...

  • Page 31: Parts Identification

    3-5. Parts Identification 4131o001AA 4131o106AA 4131g002AA 4131g003AA 4131g004AA 4131o107AA Manual feed tray Power switch Image transfer belt unit Waste toner bottle Drum cartridge Toner cartridge Right-side door release lever Duplex unit (optional) Second paper cassette (optional)

  • Page 33: Mechanical/ Electrical

    MECHANICAL/ ELECTRICAL...

  • Page 35: Cross-Sectional View

    CROSS-SECTIONAL VIEW 4131M001AA 1. Toner Cartridge Rack 8. Transport Roller 2. PC Drum 9. Paper Take-Up Roll 3. Image Transfer Belt Unit 10. Second Paper Take-Up Roll 4. Exit Roller 5. Fusing Roller 6. Second Image Transfer Roller 7. Synchronizing Roller Paper Path The printer has a Multi-Purpose (MP) Cassette capable of holding up to 200 sheets of paper.

  • Page 36: Electrical Components Layout

    ELECTRICAL COMPONENTS LAYOUT Printer 4131D002AA...
  • Page 37 1. Fusing Roller Heater Lamp (H1) 29. Belt Cleaner Positioning Sensor 2. Fusing Pressure Roller Heater Lamp (PC9) (H2) 30. Rack Motor (M2) 3. Thermistor (TH1) 31. AIDC Sensor (AIDC) 4. Thermostat (TS1) 32. Main Motor (M1) 5. Second Image Transfer Roller Pres- 33.
  • Page 38 Controller 4131M039AA Symbol Item Explanation Destiny D8405 200 MHz controller control CPU U26, U27, SDRAM 8-MB memory chip, a total of 32 MB standard memory U28, U29 68-pin SD-RAM add-on memory (128, 256 MB, PC100/ CON4 Expansion slot 133 CL3) Connector 10/100Base-T Ethernet RJ45 connector Ethernet Controller...

  • Page 39: Operating Sequence

    OPERATING SEQUENCE Conditions: A4 plain paper, full color printing 4131M043AA...

  • Page 40: Image Stabilization Control

    IMAGE STABILIZATION CONTROL • he printer provides the image stabilization control as detailed below to ensure stabilized print image. Purpose Control Control (Sensor) • To stabilize image den- AIDC Sensor (AIDC detec- sity AIDC control tion) • To stabilize gradation •...

  • Page 41: Outline Of Aidc Control

    4-2. Outline of AIDC Control • The following AIDC controls are provided to ensure image stabilization. Control Description • Ds correction control • Sets the developing bias. • LED intensity adjustment • Adjusts the intensity of the LED light. control •...

  • Page 42: Operation Timing

    4-3. Operation Timing • A specific function of image stabilization control is carried out as required according to the situation. Operating Timing Processing • When a new Image Transfer Belt • Ds correction control -> LED intensity is detected adjustment control -> Belt surface reflec- •...

  • Page 43: Temperature/Humidity Sensor

    4-4. Temperature/Humidity Sensor • The output voltage is determined based on the value calculated through ATVC control by the Temperature/Humidity Sensor (environment). Temperature/Humidity Sensor (HS1) 4131M038AA Temperature Data ATVC Control Humidity Data Master Board (PWB-A) 4131m029AA High Voltage Unit (HV) Second Image Transfer Bias...

  • Page 44: Drum Cartridge

    DRUM CARTRIDGE 5-1. PC Drum • The photoconductive drum used in this printer is the organic photo conductor (OPC) type. This is the PC Drum consisting of the Charge Generating Layer and the Charge Trans- port Layer applied to an aluminum alloy base. Handling Precaution The PC Drum exhibits light fatigue after being exposed to light for a long time, which results in its sensitivity being changed.Always wrap the drum, therefore, in the PC Drum Cloth or a...

  • Page 45: Pc Drum Charging

    5-2. PC Drum Charging • The PC Drum Charge Corona employs a comb electrode Scorotron charger system. • It generates corona emission to deposit a charge evenly across the surface of the PC Drum through a grid mesh. • he comb electrode ensures that a charge is concentrated on the grid mesh, thus reduc- ing the amount of ozone produced.

  • Page 46: Laser Exposure

    LASER EXPOSURE An electrostatic latent image is formed on the surface of the PC Drum by a laser light emit- ted from the print head. Polygon Motor (M3) PC Drum 4131M005AB FD Direction (vertical scanning direction) • The Polygon Motor and Main Motor are energized by the PRINT signal, which starts a paper take-up sequence.
  • Page 47 Print Area • The figure below shows the print area in the FD and CD direction. /HSYNC /VIDEO /TOD /VIDEO Void Image Width: 4 mm CD Direction: 208 mm 80 ms Void Image Width: 4 mm 4131M046AA...

  • Page 48: Developing Unit

    DEVELOPING UNIT Toner Cartridge Rack When printing in each of the four different colors of toner, the Toner Cartridge Rack is rotated to bring the Toner Cartridge of the corresponding color of toner (K, Y, M, or C) to the developing position.
  • Page 49 Drive for the Developing Roller • The Developing Roller is driven by the Rack Motor (M2) and the Developing Roller Drive Gears. • When the Toner Cartridge Rack is stopped at the developing position, the Developing Roller is rotated by a drive from the Rack Motor (M2) transmitted with the Developing Roller Drive Gears.

  • Page 50: Developing Position

    7-1. Developing Position Toner Cartridge Rack Stop Position for Development • The stop position for development of each Toner Cartridge is determined by the Rack Lock Lever and the Rack Home Position Sensor (PC4). • The Toner Cartridge Rack rotates and the Rack Lock Lever drops into a stopping cutout. This unblocks the Rack Home Position Sensor (PC4), thus determining the stop position for the Toner Cartridge for the current use.

  • Page 51: Toner Cartridge

    7-2. Toner Cartridge Construction • The Toner Cartridge is constructed as illustrated below. 4131M050AA 4131M051AA 1. Toper Hopper 6. First Regulator Blade 2. Toner Agitating Plate 7. Second Regulator Blade 3. Toner Transport Roller 8. Bias Seal 4. Developing Roller 5.
  • Page 52 First Regulator Blade / Second Regulator Blade • Regulates the amount of toner supplied to the Developing Roller. Developing Roller • Carries toner, whose amount has been regulated by the Regulator Blades. Developing Bias • Applied to the Developing Roller to ensure that an adequate amount of toner is fed to the PC Drum.
  • Page 53 Toner Cartridge Installation Detection • Toner Cartridge installation detection is made with the Toner Cartridge Detection Sensor (PC8) and the Reflector in the Toner Cartridge. Intensity of Light Reflected Detection No Cartridge installed Method Cartridge installed Reflector Reflector 4131M040AA 4131M039AA...
  • Page 54 Detection of a brand new Cartridge 1. A brand new Cartridge is installed. 2. The Front Door is closed. Then, the Power Switch is turned ON. 3. The Toner Cartridge Rack is rotated to bring the Toner Cartridge at the develop- ing position.

  • Page 55: Image Transfer

    IMAGE TRANSFER 8-1. Image Transfer Belt Unit Construction 4131M053AA 1. Image Transfer Belt 5. Drive Roller 2. Cleaning Blade 6. Second Image Transfer Roller 3. Waste Toner Conveying Coil 4. First Image Transfer Roller Drive Train 4131M009AA 1. Main Motor (M1) 2.
  • Page 56 First Image Transfer • The first image transfer bias is applied to the First Image Transfer Roller to transfer the toner image on the surface of the PC Drum onto the Image Transfer Belt. First Image Transfer Roller Image Transfer Belt First Image Transfer Bias 4131M054AA PC Drum...
  • Page 57 Second Image Transfer Roller Pressure/Retraction • The Second Image Transfer Roller is pressed against, and retracted from, the Image Transfer Belt by a cam on the printer side that is turned as the Second Image Transfer Roller Pressure Contact Solenoid (SL5) is energized or de energized. •...

  • Page 58: Second Image Transfer Roller Cleaning

    8-2. Second Image Transfer Roller Cleaning • A reverse bias is applied to the Second Image Transfer Roller to remove any residual toner left on the roller. • The residual toner is transferred onto the Image Transfer Belt and then recovered by the Cleaning Blade.

  • Page 59: Image Transfer Belt Cleaning Mechanism

    8-3. Image Transfer Belt Cleaning Mechanism Image Transfer Belt Cleaning Blade • The Cleaning Blade is used to scrape any residual toner off the surface of the Image Transfer Belt. Image Transfer Belt Positioning Sensor (PC5) Belt Cleaner Separation Solenoid (SL4) 4131M011AA Cleaning Blade Opposing Roller...
  • Page 60 Image Transfer Belt Cleaning Blade Retraction • The Image Transfer Belt Cleaning Blade is retracted from the Opposing Roller by a cam on the printer side that turns as the Belt Cleaner Separation Solenoid (SL4) is energized or de energized. •...

  • Page 61: Waste Toner Bottle

    8-4. Waste Toner Bottle • Waste toner on the PC Drum and the Image Transfer Belt is collected. • The waste toner sticking to the surface of the PC Drum is scraped off by the Cleaning Blade and conveyed by the Waste Toner Conveying Coil. •...

  • Page 62: Fusing Section

    FUSING SECTION 9-1. Fusing Unit Overview • Toner transferred onto the paper through the image transfer process is permanently fixed onto the paper. • The fusing system employed in the printer is a heat roller method, in which the Fusing Roller heated by a heater lamp is pressed against the Fusing Pressure Roller and, by feeding the paper between these two rollers, toner is fused onto the paper.
  • Page 63 Drive • The Fusing Unit is driven by the Main Motor (M1). Main Motor (M1) 4131M016AA Fusing Roller Pressure • The Fusing Roller and the Fusing Pressure Roller are pressed against each other at all times. They are released for maintenance service or replacement of parts. •...

  • Page 64: Fusing Temperature Control

    9-2. Fusing Temperature Control Fusing Temperature Control Circuit • The resistance of the Thermistor (TH) mounted to the Fusing Roller varies with tempera- ture. The higher the temperature, the smaller the resistance value. The output from the Thermistor (TH) is applied to the analog port of the CPU. •...
  • Page 65 Fusing Temperature Control • The temperature control as detailed below is provided by means of the Fusing Roller Heater Lamp (H1) and the Fusing Pressure Roller Heater Lamp (H2). • The surface temperature of the Fusing Roller is converted by the Thermistor (TH1) to a corresponding electrical signal.

  • Page 66: Paper Take-Up Section

    10. PAPER TAKE-UP SECTION 10-1. Manual Feed Tray Paper Take-Up Mechanism • The Manual Feed Tray consists of a Paper Take-Up Roll, Paper Lifting Plate, and the Manual Feed Paper Take-Up Solenoid (SL1). • When the Manual Feed Paper Take-Up Solenoid (SL1) is energized, the cam turns. At the same time, the Paper Lifting Plate raises the tray and the paper on the tray is taken up by the Paper Take-Up Roll and fed into the printer.

  • Page 67: Second Cassette (Option)

    10-2. Second Cassette (Option) Paper Take-Up Mechanism • Since there is no drive motor installed, the drive for paper take-up and transport (supplied from M1) is transmitted through a drive coupling gear from the printer. • The same paper take-up mechanism is employed as that of the Multi-Purpose Cassette, except that paper separator fingers are used, instead of the separator roll with a torque limiter, for paper separation.

  • Page 68: Other Mechanisms

    11. OTHER MECHANISMS 11-1. Duplex Unit (Option) Drive • Drive for the Duplex Unit works as follows. The paper having a printed image on its one side is temporarily fed toward the Exit Tray and, as soon as the trailing edge of the paper moves past the guide plate before the Exit Roller, the Exit Roller is turned backward so that the paper is fed into the Duplex Unit.
  • Page 69 Paper Feeding Method 1. Operations in 2-sided printing with a single sheet of paper resident in, and circulated through, the system Paper is taken up and fed in and the image on page 2 of the original is printed. 4657M521AA The paper is temporarily fed toward the exit section and, immediately before the paper leaves the Exit Roller, the direction of rotation...
  • Page 70 The image on page 1 of the original is printed on the paper that is taken up from the Duplex Unit. The first paper is fed out of the printer. 4657M524AA Steps from (2) to (6) are hereafter repeated.
  • Page 71 2. Operations in 2-sided printing with two sheets of paper resident in, and circulated through, the system The first sheet of paper is taken up and fed in and the image on page 2 of the original is printed. 4657M515AA The first sheet of paper is temporarily fed toward the exit section and, immediately before the paper leaves the Exit Roller, the direction of...
  • Page 72 The image on page 1 of the original is printed on the first sheet of paper. (10) The second sheet of paper is transported into the Duplex Unit. 4657M519AA (11) At the same time that the first sheet of paper is fed out of the printer, the image on page 3 is printed on the second sheet of paper.
  • Page 73 3. Operations in 2-sided printing with two sheets of paper resident in the system and with a new sheet of paper taken up when a printed page with images printed on both sides is fed out The first sheet of paper is taken up and fed in and the image on page 2 of the original is printed.
  • Page 74 (10) The first sheet of paper fed out in exit tray. (11) At the same time the third sheet of paper is taken up and fed in. (12) The second of sheet of paper stopped at take- up position. 4657M531AA (13) The image on page3 is printed on the second sheet of paper.

  • Page 75: Disassembly/Assembly

    DISASSEMBLY/ASSEMBLY 19971...

  • Page 77: Disassembly/Assembly Precautions

    12. Disassembly/Assembly Precautions 12-1. Precautions for disassembly and assembly • Be sure to unplug the power cord from the electrical outlet before attempting to service the printer. • To reassemble the unit, reverse the order of disassembly unless otherwise instructed. •...

  • Page 78: Precautions For Transporting Or Storing The Pc Drum (Drum Cartridge)

    12-6. Precautions for transporting or storing the PC drum (drum cartridge) • Use the specified carton when transporting or storing the drum cartridge. • Do not store or place drum cartridges in a location where it will be exposed to direct sun- light.

  • Page 79: Maintenance Schedule

    13. Maintenance Schedule Replacement Replacement Reference Part name Cleaning cycle cycle(Continuous cycle(Intermittent page printing) printing) Approx. 45,000 Approx. 15,000 pages*1(black and pages*1(black and Drum cartridge None white) white) Approx. 11,250 Approx. 7,500 pages*1(color) pages*1(color) Approx. 4,500 Toner cartridge (pur- Approx. 4,500pages pages None chased separately)

  • Page 80: Disassembly Procedures

    14. Disassembly Procedures Disassembly procedure chart (3-2) Waste toner bottle Drum cartridge Toner cartridge Image transfer belt unit (4-3) (4-2) (4-1) Second image trans- Controller control Top-front cover, top cover fer roller board (4-4) Front door (4-5) (4-6) Rear cover Master Board (PWB-A) (4-7) Power supply cooling fan...
  • Page 81 (4-27) Second Paper Cassette Second Paper Take-up roller (4-28) Master Board (PWB-A) Duplex unit (4-30) (4-29) Transport sensor Master Board(PWB-A) (4-31) Turnover motor (4-32) Transport motor...

  • Page 82: Pre-Disassembly Preparation

    14-1. Pre-disassembly preparation Before disassembling the machine, the following units need to be removed. • Waste toner bottle • Drum cartridge • Toner cartridges (4 colors) • Image transfer belt unit 1. Open the front door. 2. Remove the waste toner bottle. 4131o023AA 3.
  • Page 83 5. Remove all toner cartridges. From the display, select the menu “Engine”. Select “Replacing Toner”. Select the toner color of the cartridge to be removed, and then press the Select key to move the cartridge to the removal position. 4131o017AA 4131D003AA 4131D064AA 4131D063AA...

  • Page 84: Disassembly

    15. Disassembly 15-1. Removing the controller control board 1. Loosen the 9 screws for the protective cover of the controller control board, and then remove the pro- tective cover. (2 screws) 4131D057AA 2. Unplug connector CN6 from the controller control board.

  • Page 85: Removing The Top-Front Cover And The Top Cover

    15-3. Removing the top-front cover and the top cover 1. Open the front door and the right-side door. 2. Remove the top-front cover. (loosen 3 screws) 4131D006AA 3. Remove the top cover. (5 screws) 4131D007AB 15-4. Removing the front door 1.

  • Page 86: Removing The Rear Cover

    15-5. Removing the rear cover 1. Loosen the 9 screws for the protective cover of the controller control board, and then remove the pro- tective cover. (2 screws) 2. Remove the rear cover. (8 screws). Note: If the top cover has been removed, 6 screws will be removed in step 2.

  • Page 87: Removing The Ventilation Fan Motor (M6)

    15-8. Removing the ventilation fan motor (M6) 1. Open the right-side door. 2. Remove the top-front cover, top cover and the rear cover. 3. Unplug connector PJ6 from the master board (PWB-A), and then remove the wiring from the cable holders. 4.

  • Page 88: Removing The Aidc Sensor (Aidc)

    15-11. Removing the AIDC sensor (AIDC) 1. Remove the top-front cover, top cover, left-side cover and the power unit. 2. While keeping away from the seal, remove the AIDC sensor. (2 screws and 1 connector) 4131D015AA 15-12. Removing the high voltage unit (HV) 1.

  • Page 89: Remove The Belt Cleaner Separation Solenoid (Sl4)

    15-13. Remove the Belt cleaner separation solenoid (SL4) 1. Open the right-side door. 2. Remove the top-front cover, top cover, rear cover, left-side cover, controller protective cover, control- ler box, and the high voltage unit. 3. Remove the belt cleaner separation solenoid. (1 screw and 1 connector) 4131D068AA...

  • Page 90: Remove The Rack Motor (M2)

    15-14. Remove the Rack motor (M2) 1. Open the right-side door. 2. Remove the top-front cover, top cover, rear cover, left-side cover, controller protective cover, control- ler box, high voltage unit, and the belt separation solenoid. Use a permenant marker to scribe both the plug and jack for easy reinstallation.

  • Page 91: Removing The Main Motor Assembly (M1)

    15-15. Removing the main motor assembly (M1) 1. Remove the rear cover, master board (PWB-A) and the controller box. 2. Remove the wiring from the cable holders, and then remove the assembly cover. (2 screws) 4131D018AA 3. Remove the fusing paper loop solenoid (SL6). (1 screw) 4131D019AA 4.

  • Page 92: Removing The Manual Feed Tray

    15-16. Removing the Manual feed tray 1. Remove the top-front cover, top cover, front door and the left-side cover. 2. Remove the switch box. (3 screws) 4131D021AA 3. Remove the manual feed tray. (1 E-clip) 4131D022AB 15-17. Removing the paper empty sensor 1.

  • Page 93: Removing The

    15-18. Removing the front cover 1. Remove the top-front cover, top cover and the front door. 2. Remove the top cover. (9 screws) 4131D026AA 15-19. Removing the right-side door 1. Remove the front door, controller protective cover, rear cover and the front cover. 2.

  • Page 94: Removing The Fusing Unit

    15-20. Removing the fusing unit 1. Remove the top-front cover, top cover, and then open the right-side door. 2. Remove the fusing unit cover. (2 screws) 4131D014AB 3. Unplug the connectors from the power unit, and then remove the wiring from the cable holders. 4.

  • Page 95: Disassembling The Fusing Unit

    15-21. Disassembling the fusing unit 1. Remove the cover. (2 screws) 4131D050AB 2. Remove the Fusing roller heater lamps (H1) and Fusing Pressure roller heater lamp(H2). (6 screws) Notes for installation Be sure to install the screws securing the leads in the correct locations.
  • Page 96 5. Remove the fusing roller and the fusing pressure roller. (1 screw, 1 E-clip and 1 C-clip) 4131D054AA Notes for installation When installing the fusing roller and the fusing pressure roller, install them with the specified misalignment. Standard: 3 mm or less ±...

  • Page 97: Removing The Fusing Cooling Fan Motor (M5)

    15-22. Removing the fusing cooling fan motor (M5) 1. Remove the rear cover. 2. Unplug the connectors (PJ16, PJ17 and PJ29) from the master board (PWB-A), and then remove the wiring from the cable holders. 3. Remove the right-side door. 4.

  • Page 98: Replacing The Paper-Separating Roller

    15-24. Replacing the paper-separating roller 1. Remove the right-side door. 2. Remove the paper-separating roller assembly 4131D058AA, 4131D035AB...

  • Page 99: Removing The Print Head Unit (Ph)

    15-25. Removing the print head unit (PH) 1. Remove the top-front cover, top cover, rear cover, front door, front cover and the right-side door. 2. Unplug the connectors (PJ23 and PJ24) from the master board (PWB-A), and then remove the wir- ing from the cable holders.

  • Page 100: Remove The Manual Feed Take-Up Solenoid (Sl1)

    15-26. Remove the Manual feed take-up solenoid (SL1) 1. Remove the top-front cover, top cover, rear cover, left-side cover, controller protective cover, control- ler box, high voltage unit and the master board. 2. Remove the Lower base plate. (11 screws) 4131D065AA 3.

  • Page 101: Replacing The Second Paper Take-Up Roller Of The Second Paper Cassette (Optional)

    15-27. Replacing the Second paper take-up roller of the Second paper cassette (optional) 1. Separate the Second paper cassette from the printer. 2. Remove the paper take-up roller as shown in fig. 1. (a) (b) (a). Raise the lever for the paper take-up roller.

  • Page 102: Removing The Relay Control Board (Pwb-A) For The Duplex Unit (Optional)

    15-29. Removing the relay control board (PWB-A) for the duplex unit (optional) 1. Separate the duplex unit from the printer. 2. Remove the protective cover for the control board. (2 screws) 4131D045AA 3. Remove the relay control board for the duplex unit. (1 screw and 3 connectors) 4131D046AA 15-30.

  • Page 103: Removing The Turnover Motor And The Transport Motor

    15-31. Removing the turnover motor and the transport motor 1. Separate the duplex unit from the printer. 2. Remove the protective cover for the control board. 3. Unplug connector PJ1 from the relay control board (PWB-A) for the duplex unit. 4.

  • Page 104: Others

    16. Others 16-1. Replacing the EEPROM Note When replacing the master board, be sure to move the EEPROM from the old master board to the new one. 1. Remove the rear cover and the master board. 2. Replace the EEPROM. 4131D056AA Note Be sure to install the EEPROM so that it...

  • Page 105: Cleaning The Paper Take-Up Roller

    16-2. Cleaning the paper take-up roller 1. Open the right-side door. 2. Clean the paper take-up roller at the bottom of the printer by wiping it with a soft, dry cloth. C4131o067AA, C4131D073AA 16-3. Cleaning the paper Second paper take-up roller for the Sec- ond paper cassette 1.

  • Page 107: Control Panel / Service Mode Descriptions

    CONTROL PANEL / SER- VICE MODE DESCRIPTIONS...

  • Page 109: Control Panel Descriptions

    Control Panel Descriptions For details, refer to the Operator’s Manual supplied with the unit. 1-1. Names of control panel parts and their functions C4131o015AA Name Function/details • Lights up to indicate that the Green LED indicator printer is ready to print •...

  • Page 110: Display Screens

    1-2. Display screens Basic screen The basic screen is the initial screen that appears after the unit is finished warming up and after a menu setting is cancelled. IDLE MAGICOLOR 2300DL C4131o001AA Warning screen The following appear in the warning screen according to the condition of the printer. <Malfunction display>...
  • Page 111 Message status Message • The printer is ready to accept data, and no jobs are in IDLE progress. • The printer is processing data. PROCESSING • The printer is printing. PRINTING • The printer is warming up. WARMING UP • After 200 one-sided pages are continuously printed the printer automatically pauses to do an Auto-Image Density CALIBRATING Control (AIDC) cycle.
  • Page 112 • The waste toner bottle is full. WASTE TONER BOX FULL • Toner cartridge “X” (specified color) is low. X TONER LOW • The OPC drum cartridge is low. DRUM LOW • Toner cartridge “XXXX” (specified color) is empty. TONER EMPTY XXXX DRUM CARTRIDGE •...

  • Page 113: Menu Contents

    Menu Contents 2-1. Print menu over view The following settings appear in the menus. The settings that appear in bold are the default settings. IDLE Select key Select key Up key Down key Up key Down key LANGUAGE English, French, German, Italian, Portuguese, Spanish, Czech, Japa- nese Prev.

  • Page 114: Settings Menus

    CONSUMABLE BLACK TONER USAGE YELLOW TONER MAGENTA TONER CYAN TONER DRUM UNIT 1: When displayed in service mode, the Prev. key can be used to scroll through the options. 2-2. Settings menus Language menu • The language in which messages are displayed can be changed. Special pages Statistic Page A configuration page can be printed.
  • Page 115 Service menu A six-digit number indicating the number of pages that have been printed Page Count until now with this printer is displayed. Controller Ver. The controller firmware version is displayed. Engine Ver. The printer engine firmware version is displayed. A complete DIMM test is performed, allowing you to check that there are no DIMM Full Test errors in the DIMM.

  • Page 116: Service Mode

    Service Mode This mode is used to check and specify service functions. 3-1. Service mode displays Service FACE CONUT SERVICE RESTORE FACTORY SERVICE PERSON DEFAULT CONTROLLER SERVICE PERSON VER. SRU USAGE ENGINE VER. RESET CONTROLLER DIMM FULL TEST RESET COUNTER FUSER UNIT SDRAM FULL TEST...

  • Page 117: Troubleshooting

    TROUBLESHOOT-...

  • Page 119: Introduction

    Introduction • Information required for troubleshooting and steps that must be performed are described in this chapter. 1-1. Checking the electrical components • If a paper misfeed or malfunction occurs, perform the following operation to check the condition of the electrical components. Sensor Step Check...
  • Page 120 Solenoid Step Check Result Remedy Replace the master board. Does the output signal of the master board change from H to L when the solenoid is turned on? Replace the sole- noid. 4025T522AA Clutch Step Check Result Remedy Replace the master Does the output signal of the master board change from H to board.
  • Page 121 Motor Step Check Result Remedy Replace the master Does the LOCK signal switch to H when the machine goes board.Replace the into standby? motor. Replace the motor. Does the REM signal of the master board change from H to Replace the master L when the motor is turned on? board.

  • Page 122: Paper Misfeeds

    Paper Misfeeds 2-1. Perform initial check procedures • If a paper misfeed occurs, first check for the following conditions. If the answer is “No”, perform the remedy described. Condition to be checked Remedy Is paper within the product specifications being used? Change the paper.

  • Page 123: Paper Misfeed Displays

    2-2. Paper misfeed displays • If a paper misfeed occurs, a message indicating the location of the misfeed appears in the display. Control Panel Display C4131o015AA Remedy Display Location of misfeed or location of paper page reference Media Jam Tray1 Paper feed-in section of manual feed tray Madia Jam Second image transfer section...

  • Page 124: Wiring Diagram Of Misfeed-Detecting Sensors

    2-3. Wiring diagram of misfeed-detecting sensors • If the duplex unit and 2nd paper cassette are installed Exit sensor (PC10) Fusing paper loop detecting sensor (PC11) 4131M036AA Duplex unit transport sensor (PC17) Synchronizing roller sensor (PC2)

  • Page 125: Misfeed Detection Timing And Remedies

    2-4. Misfeed detection timing and remedies Paper misfeed in the paper feed-in section of the manual feed tray (Tray1) <Detection timing> Category Details Paper misfeed detected in the If the end of the paper does not interrupt the synchronizing roller paper feed-in section of the sensor (PC2) when a set amount of time has passed after the manual feed tray...
  • Page 126 Paper misfeed in the Second image transfer section <Detection timing> Category Details If PC2 does not pass through when a set amount of time has passed after the paper interrupts the synchronizing roller sensor (PC2) Paper misfeed detected in the Second image transfer section If the light is not interrupted even after the paper has passed the interruption position for the fusing paper loop detecting sensor...
  • Page 127 Paper misfeed in the paper feed-in section of the Second paper cassette (Tray2) <Detection timing> Category Details If the end of the paper does not interrupt the synchronizing roller sen- Paper misfeed detected in sor (PC2) when a set amount of time has passed after the 2nd drawer the paper feed-in section take-up solenoid (SL7) is activated Remaining paper detected...
  • Page 128 Replace PWB-A.

  • Page 129: Malfunctions And Warnings

    Malfunctions and Warnings The CPU performs a self-diagnosis on the condition of the unit, and if a malfunction is detected, the malfunction appears on the display. Malfunction cancelling procedure • For malfunctions other than those described above, open, then close the front door or turn the unit off, then on.

  • Page 130: Malfunction Detection Timing And Remedies

    3-1. Malfunction detection timing and remedies • If the problem cannot be corrected by the user, a service code is displayed. FATAL ERROR CODE 04H: Malfunction of the master board <Remedy> Components for display of the warning Master board (PWB-A) WARNING DIAGRAM Reference Step...
  • Page 131 FATAL ERROR CODE 0CH: Malfunction of the power supply cooling fan motor <Remedy> Components for display of the warning Master board (PWB-A) Power supply cooling fan motor (M4) Power unit (PU) Controller control board (PWB-P) WARNING DIAGRAM Reference Step Remedy Location(electrical com- page Control signal...
  • Page 132 FATAL ERROR CODE 14H: Incorrect pressure by or separation from the Sec- ond image transfer roller <Remedy> Electrical components for detection of the malfunction Image transfer roller pressure contact solenoid (SL2) Master board (PWB-A) Image transfer roller pressure positioning sensor (PC7) Controller control board (PWB-P) WARNING DIAGRAM Reference...
  • Page 133 (10) FATAL ERROR CODE 17H: Incorrect developing rack rotation <Remedy> Electrical components for detection of the malfunction Rack motor (M2) Master board (PWB-A) Rack clutch (CL1) Controller control board (PWB-P) Rack home position sensor (PC4) WARNING DIAGRAM Reference Step Remedy Location(electrical com- page Control signal...
  • Page 134 (13) FATAL ERROR CODE 1AH: Incorrect fusing roller high temperature (14) FATAL ERROR CODE 1BH: Disconnection at thermistor <Remedy> Electrical components for detection of the malfunction Master board (PWB-A) Thermistor (TH1) Controller control board (PWB-P) WARNING DIAGRAM Step Check Result Remedy Control Location(electrical...

  • Page 135: Power Supply Malfunctions

    3-2. Power supply malfunctions No power <Remedy> Electrical components for detection of the malfunction Power unit (PU) Master board (PWB-A) Power switch (S1) WARNING DIAGRAM Reference Step Remedy Location(electrical com- page Control signal ponent) Check if the power supply cord is connected to the main unit.

  • Page 136: Image Quality Troubleshooting

    Image Quality Troubleshooting • f an image quality problem occurs, replace the toner cartridge and drum cartridge with new ones, and then determine whether the cause of the problem is due to one of the car- tridges or another part of the main unit. Symptom Cause Remedy...
  • Page 137 Symptom Cause Remedy Toner smudges on back- Dirty fusing roller Replace the fusing roller. side of paper Replace the Second image trans- Dirty image transfer roller fer roller. Dirty paper transport path Clean the paper transport path. 0951o226 No toner in toner cartridge Replace the toner cartridge.
  • Page 138 Symptom Cause Remedy White/Black lines and Scratched PC drum Replace the drum cartridge. bands Replace the print head unit. Replace the master board (PWB- Defective print head Replace the controller control board. 0951o222 Offset image Defective fusing roller Replace the fusing roller. Replace the Second image trans- fer roller.

  • Page 139: Index

    INDEX...
  • Page 141 paper empty sensor 92 paper take-up roller 97 AIDC Control 41 paper-separating roller 98 AIDC Detection 40 Power supply cooling fan motor (M4) Belt Cleaning 59 power unit 87 Belt Cleaning Blade 59 Pre-disassembly 82 Belt Cleaning Blade Retraction 60 print head unit (PH) 99 Belt Unit 55 PWB-A 86...
  • Page 142 29H 134 2AH 134 Incorrect pressure 132 2BH 134 Incorrect transfer belt rotation 132 2CH 134 Installation environment 28 power supply 28 Faulty warm-up detected 133 Space requirements 29 First Image Transfer 56 Installation Precautions 28 Foggy background 137 Fusing Roller Pressure 63 Fusing Section 62 Jam sensors 124 Drive 63...
  • Page 143 Misfeed-detecting sensors 124 Handling of the Imaging Cartridge 17 Handling of the PC Drum 16 High-temperature Part 10 Near-Empty Sensor 67 High-voltage Parts 10 No power 135 Laser Beam 12 Noise 25 Power Cord 10 Service Jobs 11 Offset image 138 Specified Parts 10 Operating environment 25, 30 Storing toner 12...
  • Page 144 Motor 121 No power 135 paper curled, wrinkled or humid 122 Sensor 119 Solenoid 120 Switch 119 Warm-up time 25 Warnings 129 Waste Toner Bottle 61 Waste Toner Bottle Detection 61 Waste Toner Full Detection 61 Weight 25 White spots 136 White/Black lines 138...

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