Kyocera FS-C5300DN Service Manual
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Kyocera FS-C5300DN Service Manual

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See also: Service Manual , Operating Manual
FS-C5300DN
FS-C5200DN
FS-C5100DN
SERVICE
MANUAL
Published in June 2008
842HN110
2HNSM060
First Edition

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Summary of Contents for Kyocera FS-C5300DN

  • Page 1: Service Manual

    FS-C5300DN FS-C5200DN FS-C5100DN SERVICE MANUAL Published in June 2008 842HN110 2HNSM060 First Edition...
  • 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 Date Replaced pages Remarks...
  • 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: Specifications 1

    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 (1) Precautions ............................1-5-1 (2) Drum..............................1-5-1 (3) Toner container ..........................1-5-1 (4) How to tell a genuine Kyocera Mita toner container................1-5-2 1-5-2 Outer covers ............................1-5-3 (1) Detaching and refitting the left rear cover, left upper cover and left front cover........1-5-3 (2) Detaching and refitting the right rear cover, right upper cover and right front cover ......1-5-6 1-5-3 Paper feed section ..........................1-5-8...
  • Page 12 1-5-4 Developing section..........................1-5-13 (1) Detaching and refitting the developing unit ..................1-5-13 1-5-5 Drum section............................1-5-14 (1) Detaching and refitting the drum unit ....................1-5-14 (2) Detaching and refitting the main charger unit..................1-5-15 1-5-6 Transfer/separation section ........................1-5-16 (1) Detaching and refitting the intermediate transfer unit..............1-5-16 (2) Detaching and refitting the transfer roller unit .................1-5-19 (3) Detaching and refitting the duplex unit B..................1-5-20 1-5-7 Fuser section ............................1-5-25...
  • Page 13 2HL/2HM/2HN 1-1 Specifications 1-1-1 Specifications 26/28 ppm (500-sheet) model Printing method....... Electrophotographic four color (CMYK) printing using tandem (4) drum system Printing speeds ....... Cassette: A4: 26 ppm, B5, A5, A6: 14 ppm, Letter: 28 ppm, Legal: 22 ppm MP tray: A4: 23 ppm, B5, A5, A6: 9 ppm, Letter: 24 ppm, Legal: 20 ppm Duplex printing speed .....
  • Page 14 2HL/2HM/2HN Paper sizes ........Cassette: A4, B5, A5, Folio, 8 1/2" × 14"(Legal), 8 1/2" × 11"(Letter), Oficio II, Statement, Executive, ISO B5, A6, Envelope C5, 16K, and Custom MP tray: A4, B5, A5, Folio, 8 1/2" × 14"(Legal), 8 1/2" × 11"(Letter), Oficio II, Statement, Executive, A6, B6, ISO B5, Env.
  • Page 15 2HL/2HM/2HN 21/23 ppm (500-sheet) model Printing method....... Electrophotographic four color (CMYK) printing using tandem (4) drum system Printing speeds ....... Cassette: A4: 21 ppm, B5, A5, A6: 14 ppm, Letter: 23 ppm, Legal: 17 ppm MP tray: A4: 19 ppm, B5, A5, A6: 10 ppm, Letter: 20 ppm, Legal: 17 ppm Duplex printing speed .....
  • Page 16 2HL/2HM/2HN Paper sizes ........Cassette: A4, B5, A5, Folio, 8 1/2" × 14"(Legal), 8 1/2" × 11"(Letter), Oficio II, Statement, Executive, ISO B5, A6, Envelope C5, 16K, and Custom MP tray: A4, B5, A5, Folio, 8 1/2" × 14"(Legal), 8 1/2" × 11"(Letter), Oficio II, Statement, Executive, A6, B6, ISO B5, Env.
  • Page 17 2HL/2HM/2HN 21/23 ppm (250-sheet) model Printing method....... Electrophotographic four color (CMYK) printing using tandem (4) drum system Printing speeds ....... Cassette: A4: 21 ppm, B5, A5, A6: 14 ppm, Letter: 23 ppm, Legal: 17 ppm MP tray: A4: 19 ppm, B5, A5, A6: 10 ppm, Letter: 20 ppm, Legal: 17 ppm Duplex printing speed .....
  • Page 18 2HL/2HM/2HN Paper sizes ........Cassette: A4, B5, A5, Folio, 8 1/2" × 14"(Legal), 8 1/2" × 11"(Letter), Oficio II, Statement, Executive, ISO B5, A6, Envelope C5, 16K, and Custom MP tray: A4, B5, A5, Folio, 8 1/2" × 14"(Legal), 8 1/2" × 11"(Letter), Oficio II, Statement, Executive, A6, B6, ISO B5, Env.

  • Page 19: Parts Names 1

    2HL/2HM/2HN 1-1-2 Parts names (1) Overall 21/23 ppm (500-sheet) model and 26/28 ppm (500-sheet) model 21/23 ppm (500-sheet) model Figure 1-1-1 Operation panel Toner container M 17. AC inlet Top cover (Top tray) 10. Toner container C 18. USB memory slot MP tray 11.
  • Page 20 2HL/2HM/2HN 21/23 ppm (250-sheet) model Figure 1-1-2 Operation panel Toner container M 17. AC inlet Top cover (Top tray) 10. Toner container C 18. USB memory slot MP tray 11. Toner container Y 19. Network interface Cassette 12. Toner container K 20.
  • Page 21 2HL/2HM/2HN (2) Operation panel 2 3 5 Figure 1-1-3 Message display Ready indicator Data indicator Attention indicator Arrow key MENU keys OK key GO key CANCEL key 1-1-9...
  • Page 22 2HL/2HM/2HN 1-1-3 Machine cross section 21/23 ppm (500-sheet) model and 26/28 ppm (500-sheet) model 21/23 ppm (500-sheet) model Light path Paper path Paper path (optional) Figure 1-1-4 Cassette 14. Developing unit M MP tray 15. Developing unit C Duplex unit B 16.
  • Page 23 2HL/2HM/2HN 21/23 ppm (250-sheet) model Light path Paper path Paper path (optional) Figure 1-1-5 Cassette 14. Developing unit M MP tray 15. Developing unit C Duplex unit B 16. Developing unit Y Drum unit M 17. Developing unit K Drum unit C 18.
  • Page 24 2HL/2HM/2HN This page is intentionally left blank. 1-1-12...
  • Page 25 2HL/2HM/2HN 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, 12 A 220 - 240 V AC, 7.2 A (Average) ± ± Power source frequency: 50 Hz 0.3%/60 Hz 0.3% Installation location...
  • Page 26 2HL/2HM/2HN 1-2-2 Unpacking (1) Unpacking 21/23 ppm (250-sheet) model 21/23 ppm (500-sheet) model 26/28 ppm (500-sheet) model Figure 1-2-2 220-240 V AC model Printer Main pad 15. Machine cover Toner container (Yellow) Bottom pad 600 x 600 x 900 Toner container (Black) 10.
  • Page 27 2HL/2HM/2HN 26/28 ppm (500-sheet) model 21/23 ppm 21/23 ppm (250-sheet) model (500-sheet) model 21/23 ppm (500-sheet) model 21/23 ppm (250-sheet) model 26/28 ppm (500-sheet) model Figure 1-2-3 120 V AC model Printer 10. Upper right cushion Toner container (Yellow) 11. Outer case Toner container (Black) 12.
  • Page 28 2HL/2HM/2HN (2) Removing the tape <Procedure> 1. Remove the tape. Tape Figure 1-2-4 1-2-4...
  • Page 29 2HL/2HM/2HN 1-2-3 Installing the expansion memory modules (option) <Procedure> 1. Turn off printer power switch. Caution: Do not insert or remove expansion memory modules while printer power is on. Doing so may cause damage to the printer and the expansion memory modules. 2.
  • Page 30 2HL/2HM/2HN 1-2-4 Installing the memory card (option) <Procedure> 1. Turn off printer power switch. Caution: Do not insert or remove memory card while printer power is on. Doing so may cause damage to the printer and the memory card. 2. Remove the two screws and then remove the main PWB.
  • Page 31 2HL/2HM/2HN 1-2-5 Installing the hard disk unit (option for 26/28 ppm (500-sheet) model only) <Procedure> 1. Turn off printer power switch. Caution: Do not insert or remove hard disk unit while printer power is on. Doing so may cause damage to the printer and the hard disk unit.
  • Page 32 2HL/2HM/2HN This page is intentionally left blank. 1-2-8...

  • Page 33: Maintenance Mode

    2HL/2HM/2HN 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 1. Press the MENU key. Report Print >...

  • Page 34: Service Status Page

    2HL/2HM/2HN (2) Service mode 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 Status Page and service cumulative. Purpose To acquire the current printing environmental parameters and cumulative information. Procedure Enter the service mode [>>Print Status Page].

  • Page 35: Paper Feeder

    2HL/2HM/2HN Service items Description Service status page (2) Service Status Page Printer Firmware Version 2HN_2000.000.000 2007.12.24 [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] Engine Information Toner Coverage Average (%) / Usage Page (A4/Letter Conversion) NVRAM Version _1F31225_1F31225 K: 1.00 / 1111111. 00 MAC Address 00:00:00:00:00:00 C: 2.22 / 2222222.

  • Page 36: Paper Feeder

    2HL/2HM/2HN Service items Description Detail of service status page Items Description Firmware version Engine software version Engine boot version Main ROM version Panel mask version XXXXXXXXXXXXXXXXX Local time zone FRPO settings Machine serial No. NVRAM version _ 1F3 1225 _ 1F3 1225 (a) (b) (c) (d) (e) a) Consistency of the present software version and the database...
  • Page 37 2HL/2HM/2HN Service items Description Items Description Magenta toner coverage Number of pages printed converted in reference to A4 or Letter size. Yellow toner coverage Number of pages printed converted in reference to A4 or Letter size. Coverage of the latest print Black/Cyan/Magenta/Yellow Destination information Area information...
  • Page 38 2HL/2HM/2HN Service items Description Items Description Temperature (machine outside) Relative temperature (machine outside) Absolute temperature (machine outside) LSU information LSU2 information Media type attributes Weight settings Fuser settings 1 to 28 (Not used: 18, 19, 20) 0: Light 0: High 1: Normal 1 1: Middle 2: Normal 2...
  • Page 39 2HL/2HM/2HN Service items Description Printing a status page for network Description XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX >>Print Network Status Page XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Procedure 1. 1. Enter the service mode [>>Print Network Status Page]. 2. 2. Press the OK key. [>>Print Network Status Page?] will be displayed. 3.
  • Page 40 2HL/2HM/2HN Service items Description Counter reset for the maintenance kit Description The "Install MK" message means that maintenance kit should be replaced at 200,000 pages >>Maintenance of printing. The interval counter must be manually reset using this service item. Maintenance kit includes the following units: Drum unit x 4 Developing unit M,C,Y,K Fuser unit...
  • Page 41 2HL/2HM/2HN Service items Description Developer refreshing Description The laser output of the image data for developer refreshing is carried out, and operation to >>DEV-CLN exposure, developing, and primary transfer is performed by 10 pages. (Paper is not fed) Purpose To perform when occurring the decrease of image density or the developing problem. Procedure 1.
  • Page 42 2HL/2HM/2HN Service items Description Drum surface refreshing Description Rotates the drum approximately 2 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 43 2HL/2HM/2HN This page is intentionally left blank. 1-3-11...
  • Page 44 2HL/2HM/2HN (3) Printing a event log (EVENT LOG) Service items Description Printing an event log Printing an event log (EVENT LOG) (EVENT LOG) Description Prints a history list of occurrences of paper jam, self-diagnostics, toner replacements, etc. Purpose To allow machine malfunction analysis based on the frequency of paper misfeeds, self diag- nostic errors and replacements.

  • Page 45: Event Log

    2HL/2HM/2HN Service items Description Detail of event log Event Log Printer Firmware Version 2HN_2000.000.000 2007.12.24 [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] Paper Jam Log Service Call Log Count. Event Descriptions Count. Service Code 9999999 10. 48. 01. 88. 01. 01 1111111 00. 0000 8888888 10.
  • Page 46 2HL/2HM/2HN Service items Description Items Description Paper Jam Count. Event Remembers 1 to 16 of occur- The total page Log code (2 digit, hexadecimal, 6 cate- rence. If the occurrence of count at the time gories) the previous paper jam is of the paper less than 16, all of the paper jam.
  • Page 47 2HL/2HM/2HN Service items Description Items Description (b) Detail of jam location cont. 26/28 ppm (500-sheet) model 21/23 ppm (500-sheet) model Paper jam location MP tray Cassette 1 (printer) Paper feeder 1 Paper feeder 2 Paper feeder 3 Printer inside Paper exit section Duplex section Sensors Registration sensor...
  • Page 48 2HL/2HM/2HN Service items Description Items Description (c) Detail of paper source (Hexadecimal) cont. 00: MP tray 07: Duplex unit 01: Paper cassette 1 (printer) 08: Bulk paper feeder 02: Paper cassette 2 (paper feeder 1) 09: Envelope feeder 03: Paper cassette 3 (paper feeder 2) 04: Paper cassette 4 (paper feeder 3) 05: Paper cassette 5 (paper feeder 4) 06: Paper cassette 6 (paper feeder 5)
  • Page 49 2HL/2HM/2HN Service items Description Items Description Maintenance Count. Item Remembers 1 to 8 of The total page count at the Code of maintenance replacing occurrence of replace- time of the replacement of item (1 byte, 2 categories) NOTE: ment. If the occurrence of the toner container.
  • Page 50 2HL/2HM/2HN 1-3-18...
  • Page 51 2HL/2HM/2HN 1-4 Troubleshooting 1-4-1 Paper misfeed detection (1) Paper misfeed indication If the paper jammed in the paper transport system, or no paper sheets were fed at all, the “Paper jam” message appears and the location of the paper jam (the component where the paper jam has occurred) is also indicated. The printer auto- matically goes off-line when this message is displayed.
  • Page 52 2HL/2HM/2HN 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 53: Defective Pf Main Replace The Pf Main Pwb (Refer To The Ser

    2HL/2HM/2HN (2) Self diagnostic codes Remarks Code Contents Causes Check procedures/corrective measures 0130 Backup memory (EEPROM) read/write Defective Replace the main PWB (See page (See error [Main PWB] EEPROM (U4). page 1-5-28). XXXXXXXXXXXXXXXXXXXXXXXXXXX Defective main Replace the main PWB (See page 1-5-28). XXXXXXXXXXXXXXXXXXXXXXXXXX PWB.

  • Page 54: Defective Pf Main Replace The Pf Main Pwb (Refer To The Ser

    2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 1010 Lift motor error Defective bottom Check to see if the bottom plate can move The main motor ready input is not given plate elevation smoothly and repair it if any problem is for 5 s during the main motor is ON.
  • Page 55 2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 1500 PF warm air heater (upper blower) XXXXXXXXXXXX Check visually and remove it, if any (Refer 1520 high temperature error* XXXXXXXXXXXX to the service manual for the paper feeder). 1540 (Option paper feeder) XXXXXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXX...

  • Page 56: Installed Incor- And Remedy If Necessary (Refer To The Ser

    2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 1600 PF warm air heater (upper blower) low Defective harness Reinsert the connector. Also check for conti- 1620 temperature error* between PF warm nuity within the connector harness. If none, 1640 (Option paper feeder) air heater 2 and PF remedy or replace the harness.

  • Page 57: Installed Incor- And Remedy If Necessary (Refer To The Ser

    2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 1610 PF warm air heater (side blower) Defective harness Reinsert the connector. Also check for conti- 1630 error* between PF warm nuity within the connector harness. If none, 1650 (Option paper feeder) air heater 1 and PF remedy or replace the harness.
  • Page 58 2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 2102 Developing motor MCY error Defective harness Reinsert the connector. Also check for conti- XXXXXXXXXXXXXXXXXXXXXXXXXXX between develop- nuity within the connector harness. If none, XXXXXXXXXXXXXXXXXXXXXXXXXXX ing motor MCY and remedy or replace the harness (Refer to the XXXXXXXXXXXXXXXXXXXXXXXXXXX engine PWB service manual for the paper feeder).
  • Page 59 2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 2610 PF paper feed motor error Defective harness Reinsert the connector. Also check for conti- 2620 (Option paper feeder) between PF paper nuity within the connector harness. If none, 2630 The PF paper feed motor of paper feeder feed motor and PF remedy or replace the harness.

  • Page 60: Defective Engine Replace The Engine Pwb (See

    2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 4002 Polygon motor MC error Defective harness Reinsert the connector. Also check for conti- The polygon motor MC ready input is not between polygon nuity within the connector harness. If none, given for 10 s during the polygon motor motor MC and remedy or replace the harness.

  • Page 61: Defective Engine Replace The Engine Pwb (See

    2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 4204 Laser output error (Yellow) Defective harness Reinsert the connector. Also check for conti- XXXXXXXXXXXXXXXXXXXXXXXXXXX between APC nuity within the connector harness. If none, XXXXXXXXXXXXXXXXXXXXXXXXXXX PWB Y and engine remedy or replace the harness. XXXXXXXXXXXXXXXXXXXXXXXXXXX PWB (YC29), or XXXXXXXXXXXXXXXXXXXXXXXXXXX...

  • Page 62: Defective Engine Replace The Engine Pwb (See Page 1-5 Pwb

    2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 5302 Broken eraser lamp C wire Defective harness Reinsert the connector. Also check for conti- XXXXXXXXXXXXXXXXXXXXXXXXXXX between drum unit nuity within the connector harness. If none, XXXXXXXXXXXXXXXXXXXXXXXXXXX M and drum relay remedy or replace the harness. XXXXXXXXXXXXXXXXXXXXXXXXXXX PWB (YC8/YC9), or improper con-...
  • Page 63 2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 6000 Broken fuser heater lamp wire Defective harness Reinsert the connector. Also check for conti- XXXXXXXXXXXXXXXXXXXXXXXXXXX between fuser ther- nuity within the connector harness. If none, XXXXXXXXXXXXXXXXXXXXXXXXXXX mistor and paper remedy or replace the harness. XXXXXXXXXXXXXXXXXXXXXXXXXXX exit PWB (YC4), or XXXXXXXXXXXXXXXXXXXXXXXXXXX...
  • Page 64 2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 6030 Broken fuser thermistor wire Defective harness Reinsert the connector. Also check for conti- Input from fuser thermistor is 0 (A/D between fuser ther- nuity within the connector harness. If none, value). mistor and paper remedy or replace the harness.
  • Page 65 2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 7001 Toner motor K error Defective harness Reinsert the connector. Also check for conti- XXXXXXXXXXXXXXXXXXXXXXXXXXX between toner nuity within the connector harness. If none, XXXXXXXXXXXXXXXXXXXXXXXXXXX motor K and remedy or replace the harness. engine PWB (YC22), or improper connec-...
  • Page 66 2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 7004 Toner motor Y error Defective harness Reinsert the connector. Also check for conti- XXXXXXXXXXXXXXXXXXXXXXXXXXX between toner nuity within the connector harness. If none, XXXXXXXXXXXXXXXXXXXXXXXXXXX motor Y and remedy or replace the harness. engine PWB (YC23), or improper connec-...
  • Page 67 2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 7403 Developing unit M non-installing error Defective harness Reinsert the connector. Also check for conti- XXXXXXXXXXXXXXXXXXXXXXXXXXX between develop- nuity within the connector harness. If none, XXXXXXXXXXXXXXXXXXXXXXXXXXX ing unit M and remedy or replace the harness. XXXXXXXXXXXXXXXXXXXXXXXXXXX drum relay PWB (YC13), or...
  • Page 68 2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 7411 Drum unit K non-installing error Defective harness Reinsert the connector. Also check for conti- XXXXXXXXXXXXXXXXXXXXXXXXXXX between drum unit nuity within the connector harness. If none, XXXXXXXXXXXXXXXXXXXXXXXXXXX K and drum relay remedy or replace the harness. XXXXXXXXXXXXXXXXXXXXXXXXXXX PWB (YC2/YC3), or improper con-...
  • Page 69 2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 7413 Drum unit M non-installing error Defective harness Reinsert the connector. Also check for conti- XXXXXXXXXXXXXXXXXXXXXXXXXXX between drum unit nuity within the connector harness. If none, XXXXXXXXXXXXXXXXXXXXXXXXXXX M and drum relay remedy or replace the harness. XXXXXXXXXXXXXXXXXXXXXXXXXXX PWB (YC11/ YC12), or improper...
  • Page 70 2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 7602 Right ID sensor error Defective harness Reinsert the connector. Also check for conti- XXXXXXXXXXXXXXXXXXXXXXXXXXX between right ID nuity within the connector harness. If none, XXXXXXXXXXXXXXXXXXXXXXXXXXX sensor and engine remedy or replace the harness. PWB (YC6), or improper connec- tor insertion.

  • Page 71: Image Formation Problems

    2HL/2HM/2HN 1-4-3 Image formation problems (1)No image appears (2)No image appears (3)A specific color is (4)The back side gets (5)Image is too light. (entirely white). (entirely black). printed solid. dirty. See page 1-4-22 See page 1-4-22 See page 1-4-23 See page 1-4-23 See page 1-4-23 (6)The background is (7)White streaks are...
  • Page 72 2HL/2HM/2HN (1) No image appears (entirely white). Print example Causes Check procedures/corrective measures No trans- Defective harness Reinsert the connector. Also check for continuity within the between high voltage connector harness. If none, remedy or replace the harness. charging. PWB and engine PWB (YC16), or improper con- nector insertion.
  • Page 73 2HL/2HM/2HN (3) A specific color is printed solid. Print example Causes Check procedures/corrective measures Defective main charger unit which Check if the main charger unit is properly seated. If necessary, corresponds to the color causing the reseat it properly. problem. Disconnected main charger wire.
  • Page 74 2HL/2HM/2HN (6) The background is colored. Print example Causes Check procedures/corrective measures Defective color calibration. Perform the color calibration. Defec- Defective developing unit. Check the four colors of image by using the test page of ser- tive vice mode. If the defect appears on a particular color, replace develop- the developer for that color (See page 1-5-13).
  • Page 75 2HL/2HM/2HN (9) Streaks are printed horizontally. Print example Causes Check procedures/corrective measures Flawed drum. Replace the drum unit (See page 1-5-14). XXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXX Poor contact of grounding terminal of XXXXXXXXXXXXXXXXXXXXXX drum unit. (10) Spots are printed. Print example Causes Check procedures/corrective measures Dirty or flawed drum.
  • Page 76 2HL/2HM/2HN (13) Offset occurs. Print example Causes Check procedures/corrective measures Deformed or worn cleaning blade in Replace the drum unit. the drum unit. Defective intermediate transfer belt Replace the intermediate transfer unit (See page 1-5-16). cleaning. Defective fuser unit. Replace the fuser unit (See page 1-5-25). Wrong types of paper.

  • Page 77: Electric Problems

    2HL/2HM/2HN 1-4-4 Electric problems Problem Causes Check procedures/corrective measures (1)The machine does The power cord is not Check the contact between the power plug and the outlet. not operate when the plugged in properly. power switch is No electricity at the power Measure the input voltage.
  • Page 78 2HL/2HM/2HN Problem Causes Check procedures/corrective measures (6)Main charging is Defective harness or Reinsert the connector. Also check for continuity within the con- not performed. improper connector inser- nector harness. If none, remedy or replace the high voltage PWB tion. (See page 1-5-33). High voltage PWB - Engine PWB (YC16) Defective main charger unit Replace the main charger unit (See page 1-5-15).
  • Page 79 2HL/2HM/2HN Problem Causes Check procedures/corrective measures (13)The message Defective harness or Reinsert the connector. Also check for continuity within the con- requesting front improper connector inser- nector harness. If none, remedy or replace the harness. cover to be closed is tion.

  • Page 80: Mechanical Problems

    2HL/2HM/2HN 1-4-5 Mechanical problems Problem Causes/check procedures Corrective measures (1)No primary paper Check if the surfaces of the paper feed roller, Clean with isopropyl alcohol. feed. MP paper feed roller are dirty with paper pow- der. Check if the paper feed roller, MP paper feed Check visually and replace any deformed roller are deformed.
  • Page 81 2HL/2HM/2HN 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 82 A black-colored band when seen through the left side window A shiny or gold-colored band when seen through the right side window The above will reveal that the toner container is a genuine Kyocera Mita branded toner container, otherwise, it is a coun- terfeit.
  • Page 83 2HL/2HM/2HN 1-5-2 Outer covers (1) Detaching and refitting the left rear cover, left upper cover and left front cover Procedure 1. Open the left cover. 2. Remove the waste toner box. 3. Remove the screw. Left cover Screw Waste toner box Figure 1-5-3 1-5-3...
  • Page 84 2HL/2HM/2HN 4. Open the top cover. 5. Release the five hooks and then remove the left rear cover. Top cover Hooks Left rear cover 26/28 ppm (500-sheet) model 21/23 ppm (500-sheet) model Left rear cover 21/23 ppm (250-sheet) model Hooks Left rear cover Figure 1-5-4 1-5-4...
  • Page 85 2HL/2HM/2HN 6. Open the front cover. 7. Remove the screw and then remove the left upper cover. Left upper cover 8. Slide the left front cover upward and then remove it. Screw Left front cover Front cover 26/28 ppm (500-sheet) model 21/23 ppm (500-sheet) model Left front cover 21/23 ppm (250-sheet) model...
  • Page 86 2HL/2HM/2HN (2) Detaching and refitting the right rear cover, right upper cover and right front cover Procedure 1. Open the top cover. 2. Open the right cover. 3. Remove the two screws. Hooks 4. Release the five hooks and then remove the right rear cover.
  • Page 87 2HL/2HM/2HN 5. Open the front cover. 6. Remove the two screws and then remove the right upper cover. 7. Slide the right front cover and then remove Screws Right upper cover Right front cover Front cover 26/28 ppm (500-sheet) model 21/23 ppm (500-sheet) model Right front cover 21/23 ppm (250-sheet) model...
  • Page 88 2HL/2HM/2HN 1-5-3 Paper feed section (1) Detaching and refitting the paper feed roller assembly (paper feed roller and pickup roller) Procedure 1. Remove the cassette. 21/23 ppm (250-sheet) model Cassette 26/28 ppm (500-sheet) model Cassette 21/23 ppm (500-sheet) model Figure 1-5-8 1-5-8...
  • Page 89 2HL/2HM/2HN 2. While pressing lever A and then slide the feed roller pin. 3. While pressing the lever B and then remove the paper feed roller assembly. Feed roller pin Lever A Lever B Paper feed roller assembly Figure 1-5-9 4.
  • Page 90 2HL/2HM/2HN (2) Detaching and refitting the retard roller Procedure 1. Remove the cassette (See page 1-5-8). 21/23 ppm (250-sheet) model Retard guide 2. Push the bottom plate down until it locks. 21/23 ppm (500-sheet) model and 26/28 Hook ppm (500-sheet) model only. 3.
  • Page 91 2HL/2HM/2HN 4. Remove the retard roller assembly. Retard guide 5. Check or replace the retard roller assembly and refit all the removed parts. Retard roller assembly Figure 1-5-12 1-5-11...
  • Page 92 2HL/2HM/2HN (3) Detaching and refitting the MP paper feed roller Procedure 1. Open the front cover. 2. While releasing the hook and the slide the MPF shaft. 3. Remove the MP paper feed roller. 4. Check or replace the MP paper feed roller and refit all the removed parts.
  • Page 93 2HL/2HM/2HN 1-5-4 Developing section (1) Detaching and refitting the developing unit Procedure 1. Remove the intermediate transfer unit (See page 1-5-16). 2. Remove the drum unit (M,C,Y,K) (See page 1-5-14). 3. Pinch the lever of developing unit. 4. Remove the developing unit (M,C,Y,K). 5.

  • Page 94: Drum Section

    2HL/2HM/2HN 1-5-5 Drum section (1) Detaching and refitting the drum unit Procedure 1. Remove the drum unit (M,C,Y,K). 2. Check or replace the drum unit and refit all the removed parts. Drum unit Drum unit M Drum unit C Drum unit K Drum unit Y Figure 1-5-15 1-5-14...
  • Page 95 2HL/2HM/2HN (2) Detaching and refitting the main charger unit Procedure 1. Open the left cover. 2. Remove the main charger unit (M,C,Y,K). 3. Check or replace the main charger unit and Main charger Left side cover refit all the removed parts. unit M Main charger unit C...
  • Page 96 2HL/2HM/2HN 1-5-6 Transfer/separation section (1) Detaching and refitting the intermediate transfer unit Procedure 1. Open the top cover. 2. Remove the all toner containers (M,C,Y,K). Toner container C Toner container M Toner container Y Toner container K 21/23 ppm (250-sheet) model Toner container C Toner container M Toner container Y...
  • Page 97 2HL/2HM/2HN 3. Remove the all container guides (M,C,Y,K). Container guide C Container guide Y Container guide K Container guide M Figure 1-5-18 4. Remove the two screws. Screw 5. Open the RFID holder. Screw RFID holder Figure 1-5-19 1-5-17...
  • Page 98 2HL/2HM/2HN 6. Remove the intermediate transfer unit. Intermediate 7. Check or replace the intermediate transfer transfer unit unit and refit all the removed parts. Projection Projection Guide Guide Intermediate transfer unit Intermediate transfer unit Figure 1-5-20 1-5-18...
  • Page 99 2HL/2HM/2HN (2) Detaching and refitting the transfer roller unit Procedure 1. Open the front cover. 2. Open the duplex unit B. 3. Release the two hooks and then remove the transfer roller unit. 4. Check or replace the transfer roller unit and Hook refit all the removed parts.
  • Page 100 2HL/2HM/2HN (3) Detaching and refitting the duplex unit B Procedure 1. Remove the outer covers (See page 1-5-3). 2. Remove the power source PWB (See page 1-5-26). 3. While releasing the hook and then pull the MCH cleaning shaft MCH cleaning shaft. Hook Figure 1-5-22 4.
  • Page 101 2HL/2HM/2HN 6. Remove the six screws and then remove the feed drive unit. Screw Screw Screw Screw Feed drive unit Screw Screw Figure 1-5-24 7. Remove the four connectors. YC39 YC26 YC40 Connectors Figure 1-5-25 1-5-21...
  • Page 102 2HL/2HM/2HN 8. Remove the FFC. 9. Remove the screw and then remove the two grounding terminals. Screw Grounding terminal Figure 1-5-26 10. Remove the axis of the front cover left stop- per from the hole. 11. Remove the front cover. Front cover left stopper Axis...
  • Page 103 2HL/2HM/2HN 12. Remove the two screws and then remove the MP paper feed lower unit. Screw MP paper feed lower unit Screw Figure 1-5-28 13. Remove the three screws. Connector Connector Connector Figure 1-5-29 1-5-23...
  • Page 104 2HL/2HM/2HN 14. Open the duplex unit B. 15. Remove the duplex unit B. 16. Check or replace the duplex unit B and refit all the removed parts. Paper conveying unit Figure 1-5-30 1-5-24...

  • Page 105: Fuser Section

    2HL/2HM/2HN 1-5-7 Fuser section (1) Detaching and refitting the fuser unit Procedure 1. Remove the outer covers (See page 1-5-3). 2. Remove three connectors. Connector Connector Connector Figure 1-5-31 3. Remove two screws. 4. Unhook the hook and then remove the fuser unit.
  • Page 106 2HL/2HM/2HN 1-5-8 PWBs (1) Detaching and refitting the power source PWB Procedure 1. Remove the right rear cover (See page 1-5- 2. Remove the three screws and then remove the power source shield. Screw Screw Power source shield Screw Figure 1-5-33 3.
  • Page 107 2HL/2HM/2HN 5. Remove the two connectors and then remove the power source PWB. 6. Check or replace the power source PWB and refit all the removed parts. Connector Connector Power source PWB Figure 1-5-35 1-5-27...
  • Page 108 2HL/2HM/2HN (2) Detaching and refitting the main PWB Procedure 1. Remove the two screws. 2. Remove the main PWB. 3. Check or replace the main PWB and refit all the removed parts. Screw Main PWB Screw Figure 1-5-36 1-5-28...
  • Page 109 2HL/2HM/2HN (3) Detaching and refitting the engine PWB Procedure 1. Remove the duplex unit B (See page 1-5- 2. Remove the connector. Connector Figure 1-5-37 3. Remove the seven screws and then remove the feed housing. Screw Feed housing Screw Screw Screw Screw...
  • Page 110 2HL/2HM/2HN 4. Remove the connector A. 5. Remove the developing fan motor 1. 6. Remove the two connectors B. 7. Remove the FFC. Connector B Connector B Connector A Developing fan motor 1 Figure 1-5-39 8. Remove the three FFCs. 9.
  • Page 111 2HL/2HM/2HN 10. Remove the lever link. Lever link Figure 1-5-41 11. Remove the twenty connectors. YC39 YC26 YC18 YC34 YC37 YC36 YC27 YC17 YC40 YC22 YC25 YC24 YC11 YC38 YC33 YC44 YC23 YC15 YC28 Connectors Figure 1-5-42 1-5-31...
  • Page 112 2HL/2HM/2HN 12. Remove the three screws and then remove the engine PWB assembly. Screw Screw Screw Engine PWB assembly Figure 1-5-43 13. Remove the two screws and then remove the engine PWB. 14. Check or replace the engine PWB and refit EEPROM all the removed parts.
  • Page 113 2HL/2HM/2HN (4) Detaching and refitting the high voltage PWB Procedure 1. Remove the all drum units (See page 1-5- 14). 2. Remove the all developing units (See page 1-5-13). 3. Remove the engine PWB (See page 1-5- 29). 4. Remove the screw and then remove the HV terminal assembly K.
  • Page 114 2HL/2HM/2HN 7. Remove six terminals. 8. Remove the TC high voltage bracket. 9. Remove the two screws. TC high voltage bracket Screw Terminal Terminal Screw Terminal Terminal Terminal Figure 1-5-47 10. Remove the screw. Screw Figure 1-5-48 1-5-34...
  • Page 115 2HL/2HM/2HN 11. Remove the high voltage PWB assembly. High voltage PWB assembly Figure 1-5-49 12. Remove five screws and then remove the Screw high voltage PWB. Screw 13. Check or replace the high voltage PWB and refit all the removed parts. Screw Screw Screw...
  • Page 116 2HL/2HM/2HN 1-5-9 Others (1) Detaching and refitting the laser scanner unit Procedure 1. Remove the all drum units (See page 1-5- 14). 2. Remove the all developing units (See page 1-5-13). 3. Remove the two connectors. 4. Remove the wires form the three clamps. Connector Wire Clamp...
  • Page 117 2HL/2HM/2HN 6. Remove the each three screws and then remove the laser scanner unit (MC,YK). Laser scanner unit MC 7. Check or replace the laser scanner unit and Screws refit all the removed parts. Screw Laser scanner unit YK Screws Screw Screw Screw...
  • Page 118 2HL/2HM/2HN (2) Detaching and refitting the ozone filter Procedure 1. Open the right cover. 2. Remove the ozone filter. 3. Check or replace the ozone filter and refit all the removed parts. Right cover Ozone filter Figure 1-5-54 1-5-38...

  • Page 119: Downloading Firmware

    2HL/2HM/2HN 1-6 Firmware 1-6-1 Downloading firmware Firmware files are named after the following codes: Firmware file name example Compression Software ID S 2 H N _ 1 0 0 0 0 0 1 0 2 1 . c m p Product code Pause (period) Build number...
  • Page 120 2HL/2HM/2HN (1) Downloading the firmware from the USB memory To download data written in a USB memory to the printer, proceed as explained in this section. CAUTION Downloading firmware takes several minutes. Do not turn power off during downloading. Procedure 1.
  • Page 121 2HL/2HM/2HN 10. Turn printer power off. 11. Remove the USB memory from USB mem- ory slot. 12. Turn printer power on. 13. Print the status page to check that the firm- ware version has been updated (See page P.1-3-2). USB memory slot USB memory Figure 1-6-4 1-6-3...
  • Page 122 2HL/2HM/2HN (2) Downloading the firmware from the memory card To download data written in a memory card (CompactFlash) to the printer, proceed as explained in this section. CAUTION Downloading firmware takes several minutes. Do not turn power off during downloading. Procedure 1.
  • Page 123 2HL/2HM/2HN 8. Remove the two screws and then remove the main PWB. 9. Remove the formatted memory card from the memory card socket. Screw Main PWB Screw Memory card socket Memory card Main PWB Figure 1-6-7 10. Insert the memory card to the PC's slot or to Adapter the adaptor.
  • Page 124 2HL/2HM/2HN 13. Insert the memory card into the memory card socket. 14. Re fit the main PWB. Screw Main PWB Screw Memory card socket Memory card Main PWB Figure 1-6-9 15. Turn printer power on. Message display 16. When message display (1) is displayed to Supervisor mode detect firmware in the memory card.
  • Page 125 2HL/2HM/2HN 19. Turn printer power off. 20. Remove the two screws and then remove the main PWB. 21. Remove the memory card from memory card socket. 22. Refit the main PWB. 23. Turn printer power on. 24. Print the status page to check that the firm- ware version has been updated.
  • Page 126 2HL/2HM/2HN This page is intentionally left blank. 1-6-8...
  • Page 127 2HL/2HM/2HN 2-1 Mechanical Construction 2-1-1 Paper feed/conveying section Paper feed/conveying section consists of the paper feed unit that feeds paper from the cassette and the MP tray paper feed unit that feeds paper from the MP tray, and the paper conveying section that conveys the fed paper to the transfer/ separation section.
  • Page 128 2HL/2HM/2HN 21/23 ppm (500-sheet) model 26/28 ppm (500-sheet) model Engine PWB FEDCLDRN Paper feed YC26-12 clutch Paper sensor 1 Lift limit sensor LMOTDRN Lift motor YC28-1 Paper sensor 2 STFEBN YC4-1 STFEAN YC4-2 Paper feed motor STFEB YC4-3 STFEA YC4-4 21/23 ppm (500-sheet) model FEMOTRDYN YC3-1...
  • Page 129 2HL/2HM/2HN (2) MP tray paper feed section XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Figure 2-1-3 MP tray paper feed section MP paper feed roller MPF friction pad MPF base MPF separation pad MP tray sensor (10) MPF upper tray MPF separator Actuator (MP tray sensor) (11) MPF cover MPF bottom plate MPF guide R/L...
  • Page 130 2HL/2HM/2HN (3) Paper conveying section XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Figure 2-1-5 Paper conveying section Feed pulley Middle roller Registration sensor Actuator (registration sensor) Front registration roller Rear registration roller 2-1-4...
  • Page 131 2HL/2HM/2HN Engine PWB REGCLDRN Registration YC26-10 clutch Registration REGPAP YC7-3 sensor STFEBN YC4-1 STFEAN YC4-2 Paper feed STFEB YC4-3 motor STFEA YC4-4 21/23 ppm (250-sheet) model 21/23 ppm (500-sheet) model FEMOTRDYN YC3-1 SPEEDSEL YC3-2 Paper feed FECLKCLK YC3-3 motor REMOTREN YC3-4 MIDCLDRN Intermediate...
  • Page 132 2HL/2HM/2HN 2-1-2 Drum section (1) Drum section XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Figure 2-1-7 Drum section Drum Drum shaft Main charger unit Cleaning blade Drum screw Eraser lamp 2-1-6...
  • Page 133 2HL/2HM/2HN ERASEMDR YC12-2 STMBN Drum PWB M* YC18-1 Drum STMAN YC18-2 STMB Drum motor M Drum relay PWB YC18-3 Eraser lamp M STMA YC18-4 ERASEMDR YC11-2 EEDATA Drum PWB M* YC11-1 EECLK YC11-3 Engine PWB EEPROM YC11-7 Drum unit M YC11-8 ERASECDR YC9-2...
  • Page 134 2HL/2HM/2HN (2) Main charger unit XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Figure 2-1-9 Main charger unit Main charger shield Main charger wire Main charger grid Main charger cleaner unit Main charger spiral 2-1-8...
  • Page 135 2HL/2HM/2HN Drum unit M Drum High voltage Engine PWB Grid Wire Shield Zener PWB M Main charger output M MMCNT CN1-11 YC16-17 Main charger unit M Drum unit C Drum Grid Wire Shield Zener PWB C Main charger output C MCCNT CN1-14 YC16-14...
  • Page 136 2HL/2HM/2HN 2-1-3 Expose section (1) Laser scanner unit XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Figure 2-1-11 Laser scanner unit Polygon motor Mirror B Polygon mirror Mirror C F-θ lens A LSU dust shield glass F-θ lens B LSU spiral Mirror A 2-1-10...
  • Page 137 2HL/2HM/2HN Drum Drum Figure 2-1-12 Laser scanner unit APC PWB (Laser diode) Mirror B Collimator lens Mirror C Cylindrical lens (10) PD mirror Polygon motor (mirror) (11) PD mirror F-θ lens A (12) SOS lens F-θ lens B (13) PD PWB (Pin photo diode sensor) Mirror A 2-1-11...
  • Page 138 2HL/2HM/2HN Laser scanner unit MC Engine PWB Main PWB APC PWB M LONBMN YC1-2 YC30-2 ENBMN YC1-3 YC30-3 VDOMP VDOMP YC1-4 YC31-A1 YC6-A20 YC30-4 PD PWB M VDOMN VDOMN YC1-5 YC31-A2 YC6-A19 YC30-5 VREFM THERMM YC1-7 YC30-7 YC2-2 THERMM PDMN PDMN YC1-8 YC30-8...
  • Page 139 2HL/2HM/2HN 2-1-4 Developing section XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX. 21/23 ppm (500-sheet) model 21/23 ppm (250-sheet) model 26/28 ppm (500-sheet) model Figure 2-1-14 Developing unit and toner container Sleeve roller Developing screw B Magnet roller Sleeve cover Developing blade Toner sensor Developing screw A 2-1-13...
  • Page 140 2HL/2HM/2HN Sleeve roller Developing sleeve bias output M Toner TNMMDRN YC25-2 motor M Developing magnet bias output M Magnet roller Toner sensor M Engine PWB Developing Developing PWB M unit M High voltage Sleeve roller Developing sleeve bias output C Developing magnet Toner TNMCDRN...
  • Page 141 2HL/2HM/2HN 2-1-5 Transfer/separation section XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX. XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX. Figure 2-1-16 Transfer/separation section Transfer roller Cleaning fur brush Drive roller Cleaning roller Primary transfer roller M (10) Cleaning screw Primary transfer roller C (11) Secondary transfer roller Primary transfer roller Y (12) Paper chute Primary transfer roller K (13) Separation needle...
  • Page 142 2HL/2HM/2HN Transfer belt Transfer Transfer Transfer Transfer Cleaning roller M roller C roller Y roller K roller Transfer roller Right Left ID sensor ID sensor Primary transfer bias output M Primary transfer bias output C Primary transfer bias output Y High voltage PWB Primary transfer bias output K Secondary transfer bias output...
  • Page 143 2HL/2HM/2HN 2-1-6 Fuser section XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Figure 2-1-18 Fuser section Upper fuser frame Fuser thermistor Lower fuser frame Separators Heat roller Paper exit guide Press roller (10) Paper exit roller Fuser heater lamp (11) Paper exit pulley Fuser thermal cutout (12) Envelope switch 2-1-17...
  • Page 144 2HL/2HM/2HN Paper exit PWB Engine PWB Fuser unit PDIRN YC1-3 YC6-2 YC20-3 Fuser thermistor FTHERM FTHERM YC20-2 YC1-2 YC4-2 Fuser heater lamp Fuser STFUBN thermal cutout YC39-1 STFUAN Envelope YC39-2 Fuser motor STFUB switch YC39-3 STFUA YC39-4 HEATREM YC19-1 YC103-1 ZCROSS YC19-3 YC103-3...
  • Page 145 2HL/2HM/2HN 2-1-7 Paper exit/feed shift section XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Figure 2-1-20 Paper exit/feed shift section Paper exit roller FD roller Paper exit pulley Middle pulley Paper exit sensor (10) XXXXXXXXXXX Actuator (paper exit sensor) (11) Middle pulley Actuator (paper exit sensor) (12) Paper full sensor Change guide (13) Actuator (paper full sensor)
  • Page 146 2HL/2HM/2HN Paper exit PWB Engine PWB Paper full sensor FDFUL YC1-6 YC20-6 Paper exit sensor EXITPAP YC1-4 YC20-4 Duplex DUREVDRN DUREVDRN YC3-2 YC1-10 YC20-10 solenoid STFUBN YC39-1 STFUAN YC39-2 Fuser motor STFUB YC39-3 STFUA YC39-4 Figure 2-1-21 Paper exit section block diagram 2-1-20...
  • Page 147 2HL/2HM/2HN 2-1-8 Duplex/conveying section The duplex/conveying section consists of conveying path which sends the paper sent from the eject section to the paper feed/conveying section when duplex printing. Figure 2-1-22 Duplex/conveying section Duplex roller 1 Duplex feed roller Duplex pulley Paper exit pulley Duplex feed guide Duplex roller 2...
  • Page 148 2HL/2HM/2HN Paper exit PWB Engnie PWB DUREVDRN DUREVDRN Duplex YC3-2 YC1-10 YC20-10 solenoid STDUBN YC17-1 STDUAN YC17-2 Duplex motor STDUB YC17-3 STDUA YC17-4 Duplex DUREGPAP YC21-3 conveying sensor Duplex DUCLDRN YC3-9 clutch Figure 2-1-23 Duplex/paper conveying section block diagram 2-1-22...

  • Page 149: Electrical Parts Layout

    2HL/2HM/2HN 2-2 Electrical Parts Layout 2-2-1 Electrical parts layout (1) PWBs Machine left Machine inside Machine right Figure 2-2-1 PWBs 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.
  • Page 150 2HL/2HM/2HN 16. Drum PWB M ..........Relays wirings from electrical components on the drum unit M. Drum indi- vidual information in EEPROM storage. 17. Drum PWB C ..........Relays wirings from electrical components on the drum unit C. Drum indi- vidual information in EEPROM storage.
  • Page 151 2HL/2HM/2HN (2) Switches and sensors 17,18 Machine left Machine inside Machine right Figure 2-2-2 Switches and sensors Power switch..........Turns ON/OFF the AC power source. Interlock switch ..........Shuts off 24 V DC power line when the top cover is opened. Left cover switch ..........
  • Page 152 2HL/2HM/2HN (3) Motors Machine left Machine inside Machine right Figure 2-2-3 Motors Paper feed motor ......... Drives the paper feed/conveying section and fuser unit. Lift motor ............Operates the bottom plate in the cassette. Polygon motor MC ........Drives the polygon mirror. Polygon motor YK ........
  • Page 153 2HL/2HM/2HN 21. Power source fan motor....... Cools the power source PWB. 22. Fuser fan motor 1......... Cools the fuser section. 23. Fuser fan motor 2......... Cools the fuser section. 24. Ozone fan motor .......... The exhaust gas of ozone. 2-2-5...
  • Page 154 2HL/2HM/2HN (4) Other electrical components Machine left Machine inside Machine right Figure 2-2-4 Other electrical components Paper feed clutch ......... Controls the paper cassette paper feed. Registration clutch ........Controls the secondary paper feed. Intermediate clutch........Controls the paper conveying at the conveying section. Duplex clutch ..........
  • Page 155 2HL/2HM/2HN 2-3 Operation of the PWBs 2-3-1 Power source PWB YC102 YC103 YC101 Figure 2-3-1 Power source PWB silk-screen diagram Connector Signal Voltage Description YC101 LIVE 120 V AC AC power input Connected 220 - 240 V AC to the AC NEUTRAL 120 V AC AC power input...

  • Page 156: Engine Pwb

    2HL/2HM/2HN 2-3-2 Engine PWB YC12 YC32 YC10 YC29 YC41 YC39 YC26 YC27 YC37YC36 YC34 YC18 YC42 YC17 YC40 YC25 YC24 YC11 YC38 YC22 YC23 YC15 YC28 YC19 Figure 2-3-2 Engine PWB silk-screen diagram 2-3-2...
  • Page 157 2HL/2HM/2HN Connector Signal Voltage Description FEMOTRDYN 0/3.3 V DC Paper feed motor ready signal Connected SPEEDSEL 0/3.3 V DC Paper feed motor speed switch signal to the paper FEMOTCLK 0/3.3 V DC (pulse) Paper feed motor clock signal feed motor, FEMOTREN 0/3.3 V DC Paper feed motor: On/Off...
  • Page 158 2HL/2HM/2HN Connector Signal Voltage Description YC13 +24V1 24 V DC 24 V DC power source Connected N.C. Not used to the inter- +24V2 24/0 V DC lock switch 24 V DC power source Interlock switch: On/Off YC14 +24V3 24 V DC 24 V DC power source Connected N.C.
  • Page 159 2HL/2HM/2HN Connector Signal Voltage Description YC18 STMBN 0/24 V DC (pulse) Drum motor M drive control signal (_B) Connected STMAN 0/24 V DC (pulse) Drum motor M drive control signal (_A) to the drum STMB 0/24 V DC (pulse) Drum motor M drive control signal (B) motor M/C/ STMA 0/24 V DC (pulse) Drum motor M drive control signal (A)
  • Page 160 2HL/2HM/2HN Connector Signal Voltage Description YC23 +24V3 24 V DC 24 V DC power source Connected TNMYDRN 0/24 V DC Toner motor Y: On/Off to the toner motor Y YC24 +24V3 24 V DC 24 V DC power source Connected TNMCDRN 0/24 V DC Toner motor C: On/Off...
  • Page 161 2HL/2HM/2HN Connector Signal Voltage Description YC29 +3.3V1 3.3 V DC 3.3 V DC power source Connected LONBYN 0/3.3 V DC APC PWB Y sample/hold signal to the APC ENBYN 0/3.3 V DC APC PWB Y laser enable signal PWB Y, VDOYP LVDS APC PWB Y video data signal (+)
  • Page 162 2HL/2HM/2HN Connector Signal Voltage Description YC31 VDOMP LVDS APC PWB M video data signal (+) Connected VDOMN LVDS APC PWB M video data signal (-) to the main VDOYP LVDS APC PWB Y video data signal (+) VDOYN LVDS APC PWB Y video data signal (-) Ground PDMN 0/3.3 V DC (pulse) Horizontal synchronization signal...
  • Page 163 2HL/2HM/2HN Connector Signal Voltage Description YC33 Ground Connected OPSCLK 0/5 V DC (pulse) Paper feeder clock signal to the option OPRDYN 0/5 V DC Paper feeder ready signal paper feeder OPSDI 0/5 V DC (pulse) Paper feeder serial communication data signal OPSDO 0/5 V DC (pulse) Paper feeder serial communication data signal...
  • Page 164 2HL/2HM/2HN Connector Signal Voltage Description YC41 +24V1 24 V DC 24 V DC power source Connected DLPFANDRN 0/12/24 V DC Developing fan motor 2: Full speed/Half speed/Off to the devel- oping fan motor 2 YC43 +24V3 24 V DC 24 V DC power source Connected IDSOLDRN 0/24 V DC...
  • Page 165 2HL/2HM/2HN 2-3-3 Drum relay PWB YC11 Figure 2-3-3 Drum relay PWB silk-screen diagram 2-3-11...
  • Page 166 2HL/2HM/2HN Connector Signal Voltage Description ERASEMDR 0/24 V DC Eraser lamp M: On/Off Connected TNSENM Analog Toner sensor M detection voltage to the ERASECDR 0/24 V DC Eraser lamp C: On/Off engine TNSENC Analog Toner sensor C detection voltage PWB. ERASEYDR 0/24 V DC Eraser lamp Y: On/Off...
  • Page 167 2HL/2HM/2HN Connector Signal Voltage Description EEDATA 0/3.3 V DC (pulse) EEPROM data signal Connected ERASEDR 0/24 V DC Eraser lamp C: On/Off to the drum EECLK 0/3.3 V DC (pulse) EEPROM clock signal PWB C Ground +3.3V1 3.3 V DC 3.3 V DC power source N.C.
  • Page 168 2HL/2HM/2HN 2-3-4 Paper exit PWB Figure 2-3-4 Paper exit PWB silk-screen diagram Connector Signal Voltage Description +3.3V2 3.3 V DC 3.3 V DC power source Connected FTHERM Analog Fuser thermistor detection voltage to the PDIRN 0/3.3 V DC Envelope switch: On/Off engine EXITPAP 0/3.3 V DC...
  • Page 169 2HL/2HM/2HN Connector Signal Voltage Description +3.3V1 3.3 V DC 3.3 V DC power source Connected FTHERM Analog Fuser thermistor detection voltage to the fuser thermistor FEEDOPN 0/3.3 V DC Front cover open/close switch: On/Off Connected Ground to the front cover open/ close switch Ground Connected...
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  • Page 171 2HL/2HM/2HN 2-4 Appendixes 2-4-1 Appendixes (1) Wiring diagram 2-4-1...
  • Page 172 2HL/2HM/2HN 2-4-2...
  • Page 173 2HL/2HM/2HN (2) Repetitive defects gauge First occurrence of defect 31 mm ( " Rear registration roller 50 mm ( " Front registration roller 50 mm ( " Developing roller 59 mm ( " Transfer roller 79 mm ( " Press roller 82 mm ( "...
  • Page 174 2HL/2HM/2HN This page is intentionally left blank. 2-4-4...

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