Kyocera FS-2000D Service Manual
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Kyocera FS-2000D Service Manual

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See also: Operating Manual , User Manual
FS-2000D
FS-3900DN
FS-4000DN
SERVICE
MANUAL
Published in January 2007
842GA115
2GASM065
Rev.5

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Summary of Contents for Kyocera FS-2000D

  • Page 1: Service Manual

    FS-2000D FS-3900DN FS-4000DN SERVICE MANUAL Published in January 2007 842GA115 2GASM065 Rev.5...
  • Page 2 CAUTION RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS. It may be illegal to dispose of this battery into the municipal waste stream. Check with your local solid waste officials for details in your area for proper disposal. ATTENTION IL Y A UN RISQUE D’EXPLOSION SI LA BATTERIE EST REMPLACEE PAR UN MODELE DE TYPE INCORRECT.

  • Page 3: Revision History

    Revision history Revision Date Replaced pages Remarks February 22, 2006 1-1-1, 1-1-2, 1-1-3, 1-1-4, 1-1-5, 1-1-6, 1-2-1, 1-2-7, 1-2-15, 1-3-2, 1-3-3, 1-3-5, 1-3-7, 1-3-8, 1-3-10, 1-3-15, 1-3-18, 1-4-1, 1-4-2, 1-4-3, 1-4-5, 1-4-11, 1-5-4, 1-5-5, 1-5-16, 1-5-17, 1-5-19, 1-5-20, 1-5-21, 1-5-23, 1-5-26, 1-5-27, 1-5-32, 1-6-1, 1-6-2, 1-6-4, 1-6-5, 2-1-1, 2-1-5, 2-1-6, 2-1-10, 1-2-11, 2-1-12, 2-1-13, 2-1-14, 2-2-1, 2-2-2, 2-2-3, 2-3-3, 2-3-4, 2-3-6, 2-3-7, 2-3-9, 2-3-10, 2-4-1, 2-4-2, 2-4-3,...
  • Page 4 This page is intentionally left blank.

  • Page 5: Safety Precautions

    Safety precautions This booklet provides safety warnings and precautions for our service personnel to ensure the safety of their customers, their machines as well as themselves during maintenance activities. Service personnel are advised to read this booklet carefully to familiarize themselves with the warnings and precautions described here before engaging in maintenance activities.
  • Page 6 Safety warnings and precautions Various symbols are used to protect our service personnel and customers from physical danger and to prevent damage to their property. These symbols are described below: DANGER: High risk of serious bodily injury or death may result from insufficient attention to or incorrect compliance with warning messages using this symbol.

  • Page 7: Installation Precautions

    1.Installation Precautions WARNING • Do not use a power supply with a voltage other than that specified. Avoid multiple connections to one outlet: they may cause fire or electric shock. When using an extension cable, always check that it is adequate for the rated current....................•...

  • Page 8: Precautions For Maintenance

    2.Precautions for Maintenance WARNING • Always remove the power plug from the wall outlet before starting machine disassembly....• Always follow the procedures for maintenance described in the service manual and other related brochures............................• Under no circumstances attempt to bypass or disable safety features including safety mechanisms and protective circuits.
  • Page 9 • Do not remove the ozone filter, if any, from the copier except for routine replacement..... • Do not pull on the AC power cord or connector wires on high-voltage components when removing them; always hold the plug itself...................... •...
  • Page 10 This page is intentionally left blank.

  • Page 11: Table Of Contents

    CONTENTS 1-1 Specifications 1-1-1 Specifications............................1-1-1 1-1-2 Parts names............................1-1-3 (1) Overall ...............................1-1-3 (2) Operation panel..........................1-1-4 1-1-3 Machine cross section ..........................1-1-5 1-2 Installation 1-2-1 Installation environment ..........................1-2-1 1-2-2 Unpacking and installation ........................1-2-2 (1) Installation procedure ........................1-2-2 1-2-3 Installing the expanding memory (optional) ..................1-2-12 1-2-4 Installing the memory card or hard disk (optional) ................1-2-13 1-2-5 Installing the network interface card (optional) ..................1-2-14 1-2-6 Installing the network interface card (optional for 30/31 ppm printer [EUR/USA model] only)....1-2-15...
  • Page 12 (1) Detaching and refitting the fuser unit....................1-5-14 (2) Detaching and refitting the fuser heater lamp .................1-5-15 (3) Detaching and refitting the heat roller .....................1-5-17 (4) Detaching and refitting the press roller....................1-5-18 (5) Detaching and refitting the fuser thermistor M, fuser thermistor S, and thermal cutout ....1-5-19 1-5-8 PWBs ..............................1-5-22 (1) Detaching and refitting the engine PWB ..................1-5-22 (2) Detaching and refitting the main PWB ....................1-5-26...
  • Page 13 2F8/2F9/2GA-2 1-1 Specifications 1-1-1 Specifications Printing method....... Semiconductor laser and electrophotography Printing speeds ....... Simplex: 30/31 ppm printer 35/37 ppm printer 45/47 ppm printer A5: 19 ppm A6: 21 ppm A6: 23 ppm A4: 30 ppm A5: 21 ppm A5: 23 ppm Letter: 31 ppm A4: 35 ppm A4: 45 ppm...
  • Page 14 2F8/2F9/2GA-1 First print out (A4) ......30/31 ppm printer 35/37 ppm printer 45/47 ppm printer 19 seconds or less 25.5 seconds or less 24 seconds or less Resolution........Fine 1200, Fast 1200, 600 dpi, 300 dpi Monthly duty ........Average: 30/31 ppm printer 35/37 ppm printer 45/47 ppm printer...

  • Page 15: Parts Names

    2F8/2F9/2GA-1 1-1-2 Parts names (1) Overall 30/31 ppm printer 35/37 and 45/47 ppm printer (EUR/USA model) (EUR/USA model) Figure 1-1-1 Top cover 11. USB memory slot Paper stopper 12. USB interface connector Top tray 13. Network indicators Operation panel 14. Network interface connector Paper cassette 15.
  • Page 16 2F8/2F9/2GA-1 (2) Operation panel Ready PAR A4 PLAIN Ready PAR A4 PLAIN 30/31 ppm printer 35/37 and 45/47 ppm printer (EUR/USA model) (EUR/USA model) Figure 1-1-2 Message display Indicators Menu key OK key Cursor keys GO key Cancel key 1-1-4...

  • Page 17: Machine Cross Section

    2F8/2F9/2GA-1 1-1-3 Machine cross section 30/31 ppm printer (EUR/USA model) Paper path Paper path (optional) Figure 1-1-3 Machine cross section (30/31 ppm printer [EUR/USA model]) Rear unit MP (Multi-Purpose) tray 10. Fuser unit MP tray paper feed unit 11. Transfer/separation section Toner container 12.
  • Page 18 2F8/2F9/2GA-1 35/37 and 45/47 ppm printer (EUR/USA model) Paper path Paper path (optional) Figure 1-1-4 Machine cross section (35/37 and 45/47 ppm printer [EUR/USA model]) MP (Multi-Purpose) tray Rear unit MP tray paper feed unit 10. Fuser unit Toner container 11.

  • Page 19: Installation Environment

    2F8/2F9/2GA-4 1-2 Installation 1-2-1 Installation environment ° ° Temperature: 10 to 32.5 C/50 to 90.5 Humidity: 15 to 80%RH Power supply: 120 V AC, 9.0 A 220 - 240 V AC, 5.0 A (Average) ± ± Power source frequency: 50 Hz 0.3%/60 Hz 0.3% Installation location...

  • Page 20: Unpacking And Installation

    2F8/2F9/2GA-2 1-2-2 Unpacking and installation (1) Installation procedure Start Unpacking. Attaching the label. Installing the toner container and waste toner box. Adding paper to the cassette. Installing the cassette lid. Connecting the printer cables. Connecting the power cord and toner installing. Printing a status page for test.
  • Page 21 2F8/2F9/2GA-4 Unpacking. 30/31 ppm printer 35/37 ppm printer 45/47 ppm printer Figure 1-2-2 Unpacking Printer 10. Installation guide etc. Outer case 11. Plastic bag Bottom pad L 12. Toner container Bottom pad R 13. Power cord Machine cover 14. Waste toner box Top pad L 15.
  • Page 22 2F8/2F9/2GA-2 Attaching the label. 1. Attach the included language label sheet on the indicator as shown in the figure. Ready PAR A4 PLAIN Language label sheet Figure 1-2-3 1-2-4...
  • Page 23 2F8/2F9/2GA Installing the toner container and waste toner box. 1. Open the top cover. 2. Remove the tape. Top cover Tape Figure 1-2-4 1-2-5...
  • Page 24 2F8/2F9/2GA 3. Shake the new toner container at least 10 times as shown in the figure in order to dis- Toner container tribute the toner evenly inside the container. 4. Carefully remove the protective seal (orange colored). Protective seal (orange colored) REMOVE THIS TAG BEFORE ADDING TONER Figure 1-2-5...
  • Page 25 2F8/2F9/2GA-1 Adding paper to the paper cassette. 1. Pull out the paper cassette. 2. Push the bottom plate down until it locks (30/31 ppm printer [EUR/USA model] only). Bottom plate Paper cassette Figure 1-2-8 3. Turn the paper size dial so that the size of Paper size dial the paper you are going to use appears in the paper size window.
  • Page 26 2F8/2F9/2GA 4. Pull the release lever on the left side guide and slide to the desired paper size. Side guide Release lever Side guide Figure 1-2-10 5. Pull the release lever and slide the paper Paper stopper stopper to the desired paper size. When using non-standard size paper, move the paper guides and paper stopper all the way out, insert the paper, then adjust the...
  • Page 27 2F8/2F9/2GA Installing the casette lid. 1. Install the cassette lid. Cassette lid Cassette lid Figure 1-2-12 1-2-9...
  • Page 28 2F8/2F9/2GA-2 Connecting the printer cables. 1. Connect the printer cable (parallel, USB or network*) to the printer and the PC. *: Remove the cap. USB cable Network Parallel Network cable Parallel cable Figure 1-2-13 Connecting the power cord and toner installing. 1.
  • Page 29 2F8/2F9/2GA Printing a status page for test. 1. Press the Menu key when [Ready] is dis- played. 2. Press key to display [Print Status Page]. 3. Press OK key to display [Print Status Page?]. 4. Press OK key. [Processing] will be displayed and the status page will be printed.

  • Page 30: Installing The Expanding Memory (Optional)

    2F8/2F9/2GA 1-2-3 Installing the expanding memory (optional) <Procedure> 1. Power off the printer and unplug the printer power cord. 2. Open the right side cover. Right side cover 3. Remove the screw and open the inner cover. Inner cover Screw Figure 1-2-15 4.

  • Page 31: Installing The Memory Card Or Hard Disk (Optional)

    2F8/2F9/2GA 1-2-4 Installing the memory card or hard disk (optional) <Procedure> 1. Turn off the printer and disconnect the power cord and printer cable. 2. Remove the two screws and then open the option interface slot cover. 3. Install the memory card or hard disk into the memory slot.

  • Page 32: Installing The Network Interface Card (Optional)

    2F8/2F9/2GA 1-2-5 Installing the network interface card (optional) <Procedure> 1. Turn off the printer and disconnect the power cord and printer cable. 2. Remove the two screws and then open the option interface slot cover. 3. Install the network interface card to the option interface slot.

  • Page 33: Installing The Network Interface Card (Optional For 30/31 Ppm Printer [Eur/Usa Model] Only)

    2F8/2F9/2GA-1 1-2-6 Installing the network interface card (optional for 30/31 ppm printer [EUR/USA model] only) <Procedure> 1. Turn off the printer and disconnect the power cord and printer cable. 2. Open the right side cover. Right side cover 3. Remove the one screw and then open the inner cover.
  • Page 34 2F8/2F9/2GA 5. Connect the relay cable connector to the Relay cable network interface card connector. 6. Secure the relay cable to the clamp. Connector Clamp Network interface card Connector Figure 1-2-21 7. Install the network interface card to the option interface slot. 8.
  • Page 35 2F8/2F9/2GA 10. Connect the relay cable connector to the Main PWB main PWB’s connector. Inner cover 11. Close and secure the inner cover by one screw. 12. Close the right side cover. Connector Relay cable connector Figure 1-2-23 1-2-17...
  • Page 36 2F8/2F9/2GA This page is intentionally left blank. 1-2-18...

  • Page 37: Maintenance Mode

    2F8/2F9/2GA 1-3 Maintenance Mode 1-3-1 Maintenance mode The printer is equipped with a maintenance function which can be used to maintain and service the machine. (1) Executing a maintenance item Message display Ready Press the MENU key. Print Menu Map Press the key several times until [Others >] is displayed.

  • Page 38: Service Information

    2F8/2F9/2GA-4 Service items Description Printing a status page for service purpose Description Prints a status page for service purpose. The status page includes various printing settings >>Print and service cumulative. Status Page Purpose To acquire the current printing environmental parameters and cumulative information. Procedure Enter the service mode [>>Print Status Page].

  • Page 39: Toner Coverage

    2F8/2F9/2GA-4 Service items Description Toner coverage Toner coverage (%) Number of pages printed coverted in reference to A4 or Letter size. Toner Coverage / 3.1( Toner Coverage(%) Average)/379.6: / 1.1( Toner Coverage(%) Last Page) Toner coverage (%) of the page printed most previously. Service information (30/31 ppm printer [EUR/USA model]) Service information [XXXXXXXX/XXXXXXXX][XXXXXXX][XXXXXXXX][01/00]...
  • Page 40 1 = 0: Overseas, 1: Domestic (Japan) [First byte/Second byte bit 2, 3 (Not used) (displayed in OEM model bit 4 = 0: Kyocera, 1: OEM only)] bit 5 = 0: For Europe, 1: For US bit 6 = 0: Non MICR mode, 1: MICR mode...
  • Page 41 2F8/2F9/2GA-2 Service items Description Items Description Paper source position counter /Duplex/ Unit life counter /Drum unit/ Maintenance kit life counter Unit version /Paper feeder 1/ Unit EEPROM error bit0: Paper feeder 1 bit4: Reserved bit1: Reserved bit5: Bulk paper feeder bit2: Reserved bit6: Reserved bit3: Duplex...
  • Page 42 2F8/2F9/2GA Service items Description Items Description Engine parameter Hexadecimal, 256 bytes Toner container information Drum serial number Machine serial number NOTE: Code conversion 1-3-6...
  • Page 43 2F8/2F9/2GA-1 Service items Description Service information (35/37 and 45/47 ppm printer [EUR/USA] model) Service information [XXXXXXXX/XXXXXXXX][XXXXXXX][XXXXXXXX][01/00] Total page 9690 /t/P00/S00/U00/F00/N00/D50:DM0301.DAN:0002001001210052 /0020/0020/1061/0811/ 0/ 0/ 0/ 0/ 0/ 0/ 0/ 0/ /AAAAAAA/ /AAAAAAA/AAAAAAA/AAAAAAA/ /AAAAAAA/ /AAAAAAA/AAAAAAA/AAAAAAA/ /AAAAAAA/ /AAAAAAA/ /003D/0005/0005/0005/0005/0000/ /0000/ /RS2/FF/00/[0003-0003]/81/31/50/50/0 00.00.00.00.00.00 A:1234567890123456 /03030303/03030303/03030303/03000000/00000000/03030303/03030303/ SPD1:0203040508090A0B0C0D0F101112131415161718191A1B1C1D1E1F202122235E /00/...
  • Page 44 2F8/2F9/2GA-1 Service items Description /0000/0000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/00000000/ /8088808880808000/8088808880808000/8088808880808000/8088808880808000 /8088808880808000/8088808880808000/8088808880808000/8088808880808000 /8088808880808000/8088808880808000/8088808880808000/8088808880808000 /8088808880808000/8088808880808000/8088808880808000/8088808880808000 /8088808880808000/8088808880808000/8088808880808000/8088808880808000 /8088808880808000/8088808880808000/8088808880808000/8088808880808000 /8088808880808000/8088808880808000/8088808880808000/8088808880808000 /8088808880808000/8088808880808000/8088808880808000/8088808880808000 /00000000/00000000/00000000000000000000000000000000/00000000000000000000000000000000/0000/00/00 DN:SPL9200007 SN:SPL9200010 Detail of service information (35/37 and 45/47 ppm printer [EUR/USA model]) Items Description Engine ROM information...
  • Page 45 1 = 0: Overseas, 1: Domestic (Japan) [First byte/Second byte bit 2, 3 (Not used) (displayed in OEM mode bit 4 = 0: Kyocera, 1: OEM only)] bit 5 = 0: For Europe, 1: For US bit 6 = 0: Non MICR mode, 1: MICR mode...
  • Page 46 2F8/2F9/2GA-2 Service items Description Items Description Paper source position counter /Duplex/Bulk paper feeder/Envelope feeder/ Unit life counter /Drum unit/ Maintenance kit life counter Unit version /Paper feeder 1/Paper feeder 2/Paper feeder 3 /Envelope feeder/bulk paper feeder/ Unit EEPROM error bit0: Paper feeder 1 bit4: Reserved bit1: Paper feeder 2 bit5: Bulk paper feeder...
  • Page 47 2F8/2F9/2GA Service items Description Items Description LSU luminous power distribu- /APC PWB table information (1 byte)/Actual data (32 bytes) tion information 2-beam correction delay quan- /Beam A/Beam B/ tity × × DRT correction coefficient 4 bytes 23 groups Engine parameter Hexadecimal, 256 bytes Toner container information Drum serial number...
  • Page 48 2F8/2F9/2GA-4 Service items Description Printing an event log (EVENT LOG) Description >>Print Prints the history of paper misfeeds and self-diagnostic errors including up to 16 items from Event Log the latest occurrence of such an error. (If the number of errors exceeds 16, errors will be deleted sequentially from the oldest one.) Purpose To allow machine malfunction analysis based on the frequency of paper misfeeds and self...
  • Page 49 [First byte/Second byte (dis- bit 2, 3 (Not used) played in OEM mode only)] bit 4 = 0: Kyocera, 1: OEM bit 5 = 0: For Europe, 1: For US bit 6 = 0: Non MICR mode, 1: MICR mode...
  • Page 50 2F8/2F9/2GA-2 Service items Description Items Description (10) (a) Cause of paper jam cont. 10: Paper does not arrive at the registration sensor. (MP tray) [42] 10: Paper does not arrive at the registration sensor. (Cassette 1) [31] 10: Paper does not arrive at the registration sensor. (Cassette 2) [31] 10: Paper does not arrive at the registration sensor.
  • Page 51 2F8/2F9/2GA-1 Service items Description Items Description (10) (b) Detail of jam location cont. Other paper source 30/31 ppm printer (EUR/USA model) Envelope Printer feeder Bulk feeder (Face down tray) (Face down tray) (Face down tray) (MP tray) (Inside the printer) (Inside the printer) (Inside the printer) (Fuser)
  • Page 52 2F8/2F9/2GA-4 Service items Description Items Description (10) (c) Detail of paper source (Hexadecimal) cont. 00: MP tray 06: Reserved 01: Paper cassette 1 (printer) 07: Reserved 02: Paper cassette 2 (paper feeder 1) 08: Bulk paper feeder 03: Paper cassette 3 (paper feeder 2) 09;...
  • Page 53 2F8/2F9/2GA-4 Service items Description Items Description (12) Maintenance Log Count. Item Remembers 1 to 8 of The total page count at Code of maintenance replac- NOTE: occurrence of replacement. the time of the replace- ing item (1 byte, 2 categories) It is not logged if If the occurrence of the pre- ment of the toner con-...
  • Page 54 2F8/2F9/2GA-3 Service items Description Setting the paper feed operation (printer driver priority mode) Description >>Paper Feed With printer driver priority mode, when selecting the specific paper feed location (a cassette or MP tray) with the printer driver (it is not automatic selection), paper is fed from the selected location.
  • Page 55 2F8/2F9/2GA Service items Description Initializing the developer unit (toner install mode) Description The new developer unit is shipped from the factory with no toner contained. The developer >>Developer can be automatically replete with toner when a toner container is installed onto it and the printer is turned on.
  • Page 56 2F8/2F9/2GA Service items Description Drum surface refreshing Description Rotates the drum approximately 3 minutes with toner lightly on the overall drum using the >>Drum high-voltage output control of the engine PWB. The cleaning blade in the drum unit scrapes toner off the drum surface to clean it. Purpose To clean the drum surface when image failure occurs due to the drum.

  • Page 57: Paper Misfeed Detection

    2F8/2F9/2GA-1 1-4 Troubleshooting 1-4-1 Paper misfeed detection (1) Paper misfeed indication When a paper misfeed occurs, the printer immediately stops printing and displays the paper misfeed message on the operation panel. To remove paper misfed in the printer, pull out the paper cassette, pull out the rear unit, remove the devel- oper unit or open the duplex cover.

  • Page 58: Self-Diagnostic Function

    2F8/2F9/2GA-1 1-4-2 Self-diagnostic function (1) Self-diagnostic function This printer is equipped with self-diagnostic function. When a problem is detected, the printer stops printing and display an error message on the operation panel. An error message consists of a message prompting a contact to service personnel, total print count, and a four-digit error code indicating the type of the error.
  • Page 59 2F8/2F9/2GA-1 Remarks Code Contents Causes Check procedures/corrective measures 1140 Lift motor ascent error Defective bulk Replace the bulk paper feeder’s tray top *35/37 and 45/47 ppm printers (EUR/ paper feeder’s tray position sensor. USA model) only top position sensor. Optional bulk paper feeder’s tray top Defective harness Reinsert the connector.
  • Page 60 2F8/2F9/2GA Remarks Code Contents Causes Check procedures/corrective measures 2200 Drum motor error Defective harness Reinsert the connector. Also check for conti- DMOTRDYN signal does not go low between drum nuity within the connector harness. If none, within 2 s after DMOTONN signal goes motor and engine remedy or replace the harness.
  • Page 61 2F8/2F9/2GA-5 Remarks Code Contents Causes Check procedures/corrective measures 6000 Broken fuser heater lamp wire Poor contact in the Reinsert the connector (See page P.1-5-19). ° fuser thermistor M The temperature does not reach 100 ° connector termi- F after the fuser heater lamp has nals.
  • Page 62 2F8/2F9/2GA-5 Remarks Code Contents Causes Check procedures/corrective measures Measure the resistance. If it is 0 Ω, replace 6120 Abnormally high fuser thermistor S Shorted fuser ther- temperature mistor S. the fuser thermistor S (See page P.1-5-19). *35/37 and 45/47 ppm printers (EUR/ Defective engine Replace the engine PWB (See page P.1-5- USA model) only...
  • Page 63 2F8/2F9/2GA-5 Remarks Code Contents Causes Check procedures/corrective measures Communication problem between the Defective main Turn the power switch off/on to restart the F000 main PWB and operation panel PWB PWB. printer.If the error is not resolved, replace Communication is failed between the main PWB (See page P.1-5-26).

  • Page 64: Image Formation Problems

    2F8/2F9/2GA-2 1-4-3 Image formation problems (1)Completely blank (2)All-black printout. (3)Dropouts. (4)Black dots. (5)Black horizontal printout. streaks. P.1-4-8/P.1-4-9 P.1-4-9 P.1-4-10 P.1-4-10 P.1-4-12 (6)Black vertical (7)Unsharpness. (8)Gray background. (9)Dirt on the top (10)Undulated print- streaks. edge or back of the ing at the left edge paper.
  • Page 65 2F8/2F9/2GA-2 Print example Causes Check procedures/corrective measures Poor contact of engine Check the installation position of the engine PWB. develop- PWB’s developing bias out- Refer to figure1-4-3 above. ing bias put terminal and printer’s output. contact (spring). Poor contact of engine Check the installation of the developer unit.
  • Page 66 2F8/2F9/2GA-2 (3) Dropouts. Print example Causes Check procedures/corrective measures Defective developing roller (developer If the defects occur at regular intervals of 39 mm/1 " (See 9/16 unit). page P.2-4-4), the problem may be the damaged developing roller (in the developer unit). Replace developer unit. If a developer unit which is known to work normally is available for check, replace the current developer unit in the printer with the normal one.
  • Page 67 2F8/2F9/2GA-2 Cleaning the drum surface 1. Remove the drum unit (See page P.1-5-10). 2. Remove the main charger unit (See page P.1-5-11). 3. Hold the drum unit at an angle shown right figure. Use care not to drop foreign objects into the drum.
  • Page 68 2F8/2F9/2GA-2 (5) Black horizontal streaks. Print example Causes Check procedures/corrective measures Defective drum unit's ground. Defective drum unit's ground. The contact (spring) in the drum unit and its counter part, the drum grounding terminal in the printer, must be in a good contact. (See page P.1-4-9, refer to figure 1-4-5) Defective drum unit.
  • Page 69 2F8/2F9/2GA (8) Gray background. Print example Causes Check procedures/corrective measures Print density setting. The print density may be set too high. Try adjusting the print density. For details refer to the printer's operation guide. Defective drum surface potential. If a drum unit which is known to work normally is available for check, replace the current drum unit in the printer with the nor- mal one.

  • Page 70: Electric Problems

    2F8/2F9/2GA 1-4-4 Electric problems Problem Causes Check procedures/corrective measures Defective waste toner sen- Replace the drum unit (See page P.1-5-10). Defective waste sor. toner box detecting. Defective connection Check the connection of connectors between drum PWB (YC1) between drum PWB (YC1) and connect-L PWB (YC3).
  • Page 71 2F8/2F9/2GA Problem Causes Check procedures/corrective measures Broken power cord. Replace the power cord. Defective message The power cord is not Check the contact between the printer’s AC inlet and the AC displaying (LCD) [2]. plugged in properly. power outlet. No message appears on the message dis- No electricity at the AC Measure the AC input voltage.

  • Page 72: Mechanical Problems

    2F8/2F9/2GA 1-4-5 Mechanical problems Problem Causes/check procedures Corrective measures Check if the surfaces of the following rollers Clean with isopropyl alcohol. No primary paper feed. are dirty with paper powder: pickup roller, paper feed roller, and MP tray feed roller. Check if the pickup roller, paper feed roller Check visually and replace any deformed and MP tray feed roller are deformed.

  • Page 73: Precautions For Assembly And Disassembly

    2F8/2F9/2GA-4 1-5 Assembly and Disassembly 1-5-1 Precautions for assembly and disassembly (1) Precautions Be sure to turn the power switch off and disconnect the power plug before starting disassembly. When handling PWBs, do not touch connectors with bare hands or damage the PWB. Do not touch any PWB containing ICs with bare hands or any object prone to static charge.

  • Page 74: Outer Covers

    2F8/2F9/2GA-2 1-5-2 Outer covers (1) Detaching and refitting the top cover Procedure 1. Open the top cover. 2. Remove the two screws. Top cover 3. Remove the one connector and then remove the top cover. Screw Screw Connector Figure 1-5-1 1-5-2...
  • Page 75 2F8/2F9/2GA-4 (2) Detaching and refitting the right cover and left cover Procedure 1. Remove the paper cassette. 2. Open the MP tray. 3. Open the rear unit. 4. Remove the top cover (See page P.1-5-2). 5. Unlatch the three latches and then remove the right cover.
  • Page 76 2F8/2F9/2GA-1 1-5-3 Paper feed section (1) Detaching and refitting the paper feed assembly (paper feed roller and pickup roller) Procedure 1. Remove the paper cassette. 2. While pushing the lock and then slide the paper feed roller pin. 3. While pressing the lever and then remove the paper feed roller assembly.
  • Page 77 2F8/2F9/2GA-1 (2) Detaching and refitting the retard roller Procedure 1. Remove the paper cassette. Paper cassette 2. Push the bottom plate down until it locks Bottom plate (30/31 ppm printer [EUR/USA model] only). 3. Unlatch the two latches and then remove the retard guide.
  • Page 78 2F8/2F9/2GA (3) Detaching and refitting the registration upper and lower roller Procedure 1. Remove the developer unit (See page P.1-5- Spring 2. Remove the spring. 3. Pull the registration upper roller. Registration upper roller Figure 1-5-7 4. Remove the registration upper roller from the bush.
  • Page 79 2F8/2F9/2GA 6. Remove the registration lower roller. Gear 7. Remove the stopper, gear and three bushes Stopper from the registration lower roller. Bush Bush 8. Check or replace the registration upper and lower roller and refit all the removed parts. Registration lower roller Bush...
  • Page 80 2F8/2F9/2GA (4) Detaching and refitting the MP tray paper feed roller Procedure 1. Open the MP tray. 2. Grasp and pull the MP tray upwards until it is removed from the printer. MP tray Figure 1-5-10 3. Pull the MP tray paper feed roller holder. 4.

  • Page 81: Developer Section

    2F8/2F9/2GA 1-5-4 Developer section (1) Detaching and refitting the developer unit Procedure 1. Open the top cover. 2. Open the MP tray. Top cover 3. Remove the developer unit. 4. Check or replace the developer unit and refit all the removed parts. Developer unit MP tray Figure 1-5-12...

  • Page 82: Drum Section

    2F8/2F9/2GA 1-5-5 Drum section (1) Detaching and refitting the drum unit Procedure 1. Remove the developer unit (See page P.1-5- Left side cover 2. Open the left side cover and then remove the waste toner box. 3. Unlock the drum unit lock and then remove the drum unit.
  • Page 83 2F8/2F9/2GA (2) Detaching and refitting the main charger unit Procedure 1. Remove the drum unit (See page P.1-5-10). 2. Unlock the lock lever and then remove the Main charger unit main charger unit. 3. Check or replace the main charger unit and refit all the removed parts.
  • Page 84 2F8/2F9/2GA-3 1-5-6 Transfer/separation section (1) Detaching and refitting the transfer roller and separation charger brush unit Procedure 1. Remove the developer unit (See page P.1-5- Hook Hook Hook Hook 2. Remove the drum unit (See page P.1-5-10). 3. Slide the paper chute guide and unhook the hooks.
  • Page 85 2F8/2F9/2GA-3 6. Release the four latches and then remove the separation charger brush unit. 7. Check or replace the transfer roller and sep- aration charger brush unit and refit all the Separation charger removed parts. brush unit CAUTION: Note the following, when refitting the separation charger brush unit.

  • Page 86: Fuser Section

    2F8/2F9/2GA 1-5-7 Fuser section (1) Detaching and refitting the fuser unit Procedure 1. Open the rear unit. 2. Insert a flat-blade screwdriver to push the fuser lock (gray colored) on the rear unit and Flat-blade the fuser unit is separated from the rear unit screwdriver (rails).
  • Page 87 2F8/2F9/2GA (2) Detaching and refitting the fuser heater lamp Procedure 1. Remove the fuser unit (See page P.1-5-14). Screw 2. Remove the two screws and then open the fuser unit. Fuser upper housing Screw Figure 1-5-19 3. Remove the screw form the fuser heater lamp.
  • Page 88 2F8/2F9/2GA-1 4. Remove the screw form the fuser heater Screw lamp. 5. Remove the fuser heater lamp. 6. Check or replace the fuser heater lamp and refit all the removed parts. Seat the fuser heater lamp aligning its watt- Terminal age mark and welding mark faced with the correct direction and side.
  • Page 89 2F8/2F9/2GA-1 (3) Detaching and refitting the heat roller Procedure 1. Remove the fuser heater lamp (See page P.1-5-15). Heat R bush 2. Remove the heat roller (assembly) from the fuser upper frame. 3. Remove the heat gear Z36, heat R bush Heat gear and heat L bush from the heat roller.
  • Page 90 2F8/2F9/2GA (4) Detaching and refitting the press roller Procedure 1. Remove the fuser unit (See page P.1-5-14). 2. Open the fuser unit (See page P.1-5-15). 3. Remove the press roller from the fuser lower frame. 4. Check or replace the press roller and refit all the removed parts.
  • Page 91 2F8/2F9/2GA-1 (5) Detaching and refitting the fuser thermistor M, fuser thermistor S, and thermal cutout Procedure 1. Remove the fuser unit (See page P.1-5-14). 2. Turn the fuser unit bottom side up. Latch Latch 3. Unlatch the six latches and then remove the Latch cord cover.
  • Page 92 2F8/2F9/2GA-1 6. Remove the heat roller (See page P.1-5-17). 7. Remove the one screw and then remove the Screw fuser thermistor M/S. Fuser thermistor M 30/31 ppm printer Screw (EUR/USA model) Fuser thermistor S 35/37 and 45/47 ppm printer (EUR/USA model) Figure 1-5-25 8.
  • Page 93 2F8/2F9/2GA-1 9. Remove the two screws (nuts) and then Screw remove the terminal and cord plate. Screw 10. Remove the thermal cutout 11. Check or replace the fuser thermistor M and S, thermal cutout and refit all the removed parts. Cord plate Terminal Thermal...
  • Page 94 2F8/2F9/2GA 1-5-8 PWBs (1) Detaching and refitting the engine PWB Procedure 1. Remove the fuser unit (See page P.1-5-14). Screw 2. Remove the top cover (See page P.1-5-2). 3. Remove the left cover (See page P.1-5-3). 4. Remove the PSU fan motor (See page P.1- 5-28).
  • Page 95 2F8/2F9/2GA-1 10. Detach the joint. 11. Remove the eight screws and then remove the DU base. 12. Remove the cord cover (35/37 and 45/47 ppm printer [EUR/USA model] only). 13. Remove the connector (35/37 and 45/47 ppm printer [EUR/USA model] only). Joint 14.
  • Page 96 2F8/2F9/2GA 18. Remove the seven connectors (A). Engine PWB assembly 19. Remove the left wire guide. 20. Remove the three screws and then remove the engine PWB assembly. 21. Remove the two connectors (B) from the engine PWB. Screw Screw Connector (A) Connector (A) Connector (A)
  • Page 97 2F8/2F9/2GA 22. Remove the one connector. 23. Remove the two screws (A) and then remove the HV plate. 24. Remove the two screws (B) and then remove the engine R ground plate, engine L HV plate Screw (B) ground plate and shield plate. Screw (A) 25.
  • Page 98 2F8/2F9/2GA-2 (2) Detaching and refitting the main PWB Procedure 1. Remove the top cover (See page P.1-5-2). Connectors 2. Remove the right and left cover (See page (Six/Seven) P.1-5-3). 3. Remove the six/seven connectors from the main PWB. 4. Remove the two screws and then remove Main PWB the connect-R PWB.
  • Page 99 2F8/2F9/2GA-2 7. Remove the screw and then open the inner Inner cover cover. 8. Remove the connector (35/37 and 45/47 Screw ppm printer [EUR/USA model] only). Connector Figure 1-5-36 9. Remove the five screws and then remove the main PWB from the controller box. 10.
  • Page 100 2F8/2F9/2GA (3) Detaching and refitting the power source unit Procedure 1. Remove the top cover (See page P.1-5-2). 2. Remove the right and left cover (See page P.1-5-3). 3. Remove the one connector (YC11) form the connect-L PWB. 4. Remove the two hooks and then remove the Connector (YC11) PSU fan motor.
  • Page 101 2F8/2F9/2GA-2 5. Remove the eight screws and three ground- ing terminals. Screw Grounding Screw terminal Screw Grounding terminal Screw Screw Screw Grounding Screw terminal Screw Figure 1-5-39 6. Remove the AC inlet. PWB connector 7. Remove the one connector. 8. Remove the PWB connector between con- nect-L PWB and then remove the power source unit.
  • Page 102 2F8/2F9/2GA-2 1-5-9 Others (1) Detaching and refitting the paper feed drive unit Procedure 1. Remove the paper cassette. Right fan motor Clamp 2. Remove the developer unit (See page P.1-5- Hook 3. Remove the top cover (See page P.1-5-2). Connectors 4.
  • Page 103 2F8/2F9/2GA (2) Detaching and refitting the main drive unit Procedure 1. Remove the top cover (See page P.1-5-2). 2. Remove the right cover (See page P.1-5-3). 3. Remove the controller box (See page P.1-5- 26). 4. Remove five screws and then remove the main drive unit.
  • Page 104 2F8/2F9/2GA-1 (3) Detaching and refitting the laser scanner unit Procedure 1. Remove the top cover (See page P.1-5-2). 2. Remove the right cover (See page P.1-5-3). Screw 3. Remove the three/four connectors from the main PWB. Screw Screw 4. Remove the four screws and then remove Screw the laser scanner unit.

  • Page 105: Downloading Firmware

    2F8/2F9/2GA-1 1-6 Firmware 1-6-1 Downloading firmware The system firmware can be update by downloading new firmware. Downloading can be made either by directly sending the new firmware from PC via the parallel interface or using a memory card that contains the new firmware. Firmware file name example Software ID Compression...
  • Page 106 2F8/2F9/2GA-1 (1) Downloading the firmware from the parallel interface To download the system firmware using the parallel interface, use the procedure below. Note that you can’t download both the system and engine firmware at a time. 1. Turn printer and PC power off. 2.
  • Page 107 2F8/2F9/2GA-4 (2) Downloading the firmware from the memory card The procedure below provides how to download firmware from a memory card. Note that you can download both the system and engine firmware at a time. 1. Turn printer power off. 2.
  • Page 108 2F8/2F9/2GA-1 11. Confirm that the printer's power switch is set to off. 12. Insert the memory card into the printer's memory card slot. Memory card Memory card slot Figure 1-6-7 13. Turn printer power on. Power switch: On 14. When message display (1) is displayed to Message display detect firmware in the memory card.
  • Page 109 2F8/2F9/2GA-2 (3) Downloading the firmware from the USB memory The procedure below provides how to download firmware from a memory card. Note that you can’t download both the system and engine firmware at a time. 1. Turn printer power off. 2.
  • Page 110 2F8/2F9/2GA This page is intentionally left blank. 1-6-6...

  • Page 111: Paper Feed Section

    2F8/2F9/2GA-1 2-1 Mechanical Construction 2-1-1 Paper feed section Paper feed section consists of the paper feed unit that feeds paper from the paper cassette and the MP tray paper feed unit that feeds paper from the MP tray, and the paper feed conveying section that conveys the fed paper to the transfer/ separation section.
  • Page 112 2F8/2F9/2GA (2) MP tray paper feed section The MP tray can contain about 100 pages. Feeding is performed by the rotation of the MP tray feed roller from the MP tray. Function of the MP tray friction pad prevents papers from multiple feeding. Figure 2-1-3 MP tray paper feed section MP tray paper feed roller Bottom plate...
  • Page 113 2F8/2F9/2GA (3) Paper feed conveying section The conveying section consists of the parts shown in the following illustration and conveys papers from the paper cassette or the MP tray to the transfer/separation section when papers are fed. Paper by feeding or refeeding is conveyed by the middle feed roller to the position where the registration sensor is turned on, and then sent to the transfer/separation sec- tion by the upper registration roller and lower registration roller.
  • Page 114 2F8/2F9/2GA 2-1-2 Drum section (1) Drum section The drum unit includes a photoconductive drum, eraser lamp, cleaning blade and, a main charger unit. The drum unit is removable with the main charger unit. Figure 2-1-7 Drum section Drum Main charger case Charger roller cleaning roller Main charger roller Main high voltage output (DC + AC)

  • Page 115: Expose Section

    2F8/2F9/2GA-1 2-1-3 Expose section (1) Laser scanner unit The charged surface of the drum is then scanned by the laser beam from the laser scanner unit. The laser beam is dis- persed as the polygon motor revolves to reflect the laser beam over the drum. Various lenses and mirror are housed in the laser scanner unit, adjust the diameter of the laser beam, and focalize it at the drum surface.
  • Page 116 2F8/2F9/2GA-1 Laser scanner unit POLCLK Polygon YC10-1 POLRDYN motor YC12-1 POLONN YC12-2 PDMASKN YC12-4 Laser beam Pin-photo sensor YC12-2 Engine PWB PD PWB Main PWB Laser Laser Drum diode diode PWB 1 PWB 2* OUTPEN YC12-3 SAMPLEN1 YC14-2 VDATAP1 YC14-4 VDATAN1 YC14-5 BEAMSEN1A...

  • Page 117: Developing Section

    2F8/2F9/2GA 2-1-4 Developing section (1) Developing section The developing section consists of the developer unit and the toner container. The developer unit consists of the develop- ing roller where a magnetic brush is formed, the doctor blade and the agitator A and B that agitate the toner. Also, the toner sensor checks whether or not toner remains in the developer unit.
  • Page 118 2F8/2F9/2GA 2-1-5 Transfer/separation section (1) Transfer/separation section The image developed by toner on the drum is transferred onto the paper because of the electrical attraction between the toner itself and the transfer roller. The transfer roller is negatively biased so that the positively charged toner is attracted onto the paper while it is pinched by the drum and the transfer roller.

  • Page 119: Cleaning Section

    2F8/2F9/2GA 2-1-6 Cleaning section After the transferring process, the drum needs to be physically cleaned of toner which is residual after the development process. The cleaning blade is constantly pressed against the drum and scrapes the residual toner off to the cleaning roller.
  • Page 120 2F8/2F9/2GA-1 2-1-7 Fuser section (1) Fuser unit The fuser section consists of the following parts and fixes the toner that is transferred to the paper at the transfer/separa- tion section. The paper sent from the transfer/separation section is interleaved between the heat roller and the press roller. The heat roller is heated by the fuser heater lamp installed inside, and the toner is fused by heat and pressure and fixed onto the paper because the press roller is pressed by the fuser press spring.
  • Page 121 2F8/2F9/2GA-1 Fuser unit Power source Thermal cutout LIVE YC102-3 COMMON Fuser YC102-1 thermistor M Fuser heater lamp YC6-11 THERM1 YC6-9 Heat roller EXITPAP YC6-2 Paper exit sensor Engine PWB 30/31 ppm printer (EUR/USA model) Fuser unit Power source Thermal cutout LIVE YC102-3 Fuser...

  • Page 122: Paper Exit Section/Rear Unit

    2F8/2F9/2GA-1 2-1-8 Paper exit section/rear unit (1) Paper exit section/rear unit The paper exit section transports the paper which passed the fuser unit towards the top tray. The paper which passed through the fuser unit turns on the paper exit sensor which is driven by the fuser actuator in the fuser unit, and is led by the guide comprised of the rear cover and the frame, finally reaching the face down upper roller.
  • Page 123 2F8/2F9/2GA-1 Face down Connect-L tray paper full sensor Face down FDPFULN YC4-1 Connect-L tray paper full sensor AUTA1 YC9-2 AUTB3 FDPFULN YC9-3 YC4-1 AUTB1 YC9-4 AUTB3 YC9-5 AUTA1 YC9-2 Connect-R AUTB3 Switch back YC9-3 AUTB1 motor YC9-4 AUTB3 YC9-5 Connect-R Switch back motor Engine...

  • Page 124: Duplex Conveying Section

    2F8/2F9/2GA-1 2-1-9 Duplex conveying section (1) Duplex conveying section Figure 2-1-21Duplex conveying section DU roller DU feed pulley DU base DU lower guide DU roller Duplex jam sensor (actuator) Feed upper guide Connect-R PWB Engine PWB Duplex jam sensor DUDRN Duplex YC8-2 clutch*...

  • Page 125: Electrical Parts Layout

    2F8/2F9/2GA-2 2-2 Electrical Parts Layout 2-2-1 Electrical parts layout (1) Electrical parts layout Drum unit Fuser unit Developer unit 30/31 ppm printer (EUR/USA model) Figure 2-2-1 Electrical parts layout (30/31 ppm printer [EUR/USA model]) 2-2-1...
  • Page 126 2F8/2F9/2GA-2 35/37 ppm printer Fuser unit (EUR/USA model) Drum unit 45/47 ppm printer Developer unit (EUR/USA model) Figure 2-2-2Electrical parts layout (35/37 and 45/47 ppm printer [EUR/USA model]) 2-2-2...
  • Page 127 2F8/2F9/2GA-1 Main PWB ............ Controls the software such as the print data processing and provides the interface with computers. Engine PWB..........Controls printer hardware such as high voltage/bias output control, paper conveying system control, and fuser temperature control, etc. Operation panel PWB ........Indicates the LCD message display and LED indicators. Controls key inputs.
  • Page 128 2F8/2F9/2GA-2 51. Thermal cutout ..........Shuts off the power source to the fuser heater lamp when the heat roller reaches extremely high temperature. 52. AC inlet ............Connects the AC power source. 53. Fuser unit switch .......... Detects open/close rear unit (fuser unit). 2-2-4...

  • Page 129: Power Source Unit

    2F8/2F9/2GA 2-3 Operation of the PWBs 2-3-1 Power source unit Power source unit MP tray paper feed sensor HANDSN ZCROSS Zero cross signal circuit SWSLEEPN Power switch Switching AC input regulator +5V1 circuit +24V1 Interlock Interlock switch 2 switch 1 +24V2 +24V3 Connect-L...
  • Page 130 2F8/2F9/2GA YC102 Figure 2-3-2Power source unit silk-screen diagram Connector Pin No. Signal Voltage Description YC101 LIVE 120 V AC AC power input Connected 220 - 240 V AC to the AC N.C. Not used inlet NEUTRAL 120 V AC AC power input 220 - 240 V AC YC102 COMMON1...

  • Page 131: Engine Pwb

    2F8/2F9/2GA-2 2-3-2 Engine PWB 30/31 ppm printer (EUR/USA model) Fuser unit MP tray paper Right fan Developer Registration Middle feed Paper feed switch feed solenoid motor solenoid clutch clutch clutch Connect-R PWB Operation Polygon panel PWB APC PWB 1 PD PWB motor Switch back motor...
  • Page 132 2F8/2F9/2GA-2 35/37 and 45/47 ppm printer (EUR/USA model) Right fan Fuser unit MP tray paper Duplex Developer Registration Middle feed Paper feed Lift motor* motor switch feed solenoid clutch solenoid clutch clutch clutch Connect-R PWB Operation Polygon panel PWB PWB 1 PWB 2* motor PD PWB...
  • Page 133 2F8/2F9/2GA YC11 Figure 2-3-5Engine PWB silk-screen diagram 2-3-5...
  • Page 134 2F8/2F9/2GA-1 Connector Signal Voltage Description SWFAN 0/5 V DC PSU fan motor: On/Off Connected SWSLEEPN 0/5 V DC Sleep mode: On/Off to the con- ZCROSS 0/5 V DC (pulse) Zero cross signal nect-L PWB HEATONN1 0/24 V DC Fuser heater lamp: On/Off (YC8) HEATONN2 Not used...
  • Page 135 2F8/2F9/2GA-1 Connector Signal Voltage Description Ground Connected to the LIFTSEN 0/5 V DC Lift sensor* : On/Off lift limit sensor +5V2 5 V DC 5 V DC power source LMOTON 0/24 V DC Lift motor* : On/Off Connected DUDRN 0/24 V DC Duplex clutch* : On/Off to the con-...
  • Page 136 2F8/2F9/2GA Connector Signal Voltage Description YC15 +5V1 5 V DC 5 V DC power source Connected FANDRN 0/2.5/5 V DC Feed fan motor: Full speed/Half speed/Off to the feed fan motor 2-3-8...

  • Page 137: Main Pwb

    2F8/2F9/2GA-1 2-3-3 Main PWB 30/31 ppm printer (EUR/USA model) Core ASIC (PowerPC440 400MHz) MDQ [31:0] Parallel DDR SDRAM PDATA [8:1], NSTROBE, 256 Mbit x 2 MA [12:0] NFAULT, NINIT, SELECT, MDQ [31:0] MA [12:0] NAUTOFD, NSELIN, DDRCS [3:0]n, DDRRASn, P1284DIR, BUSY, Transciver DDRCASn, DDRWEn, PERROR, NACK...
  • Page 138 2F8/2F9/2GA-1 35/37 and 45/47 ppm printer (EUR/USA model) CPUA [31:0] ASIC CPUDH [31:0] PPC750CXr [15:0] [23:2] MA [12:0] MDQ [31:0] MRASN, MCASN, MWEN, Level Latch EXTBOEN MBA [1:0], MDQS [3:0], shift DM [3:0], MCKP [6,4:3,1:0], RSTN MCKN [6,4:3,1:0], SDRAM Engine SCLKN, SO, SI, MREFOUTP, MREFOUTN, SBSY, SDIR...
  • Page 139 2F8/2F9/2GA-2 2-4 Appendixes (1) Wiring diagram (30/31 ppm printer [EUR/USA model]) 30/31 ppm printer (EUR/USA model) 2-4-1...
  • Page 140 2F8/2F9/2GA-2 (2) Wiring diagram (35/37 ppm printer [EUR/USA model]) 35/37 ppm printer (EUR/USA model) 2-4-2...
  • Page 141 2F8/2F9/2GA-2 (3) Wiring diagram (45/47 ppm printer [EUR/USA model]) 45/47 ppm printer (EUR/USA model) 2-4-3...
  • Page 142 2F8/2F9/2GA-1 (4) Repetitive defects gauge First occurrence of defect 36 mm ( 1 " [Upper registration roller] 7/16 38.5 mm ( 1 " [Main charger roller] 39 mm ( 1 " [Developing roller] 9/16 52 mm ( 2 " [Lower registration roller] 1/16 58 mm ( 2 "...

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