FS-C5300DN FS-C5200DN FS-C5100DN SERVICE MANUAL Published in July 2008 842HN110 2HNSM060 First Edition...
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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.
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Revision history Revision Date Replaced pages Remarks...
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.
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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.
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....................•...
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.
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• 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...................... •...
(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...
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1-5-4 Developing section..........................1-5-13 (1) Detaching and refitting the developing unit ..................1-5-13 1-5-5 Drum section............................1-5-15 (1) Detaching and refitting the drum unit ....................1-5-15 (2) Detaching and refitting the main charger unit..................1-5-16 1-5-6 Transfer/separation section ........................1-5-17 (1) Detaching and refitting the intermediate transfer unit..............1-5-17 (2) Detaching and refitting the transfer roller unit .................1-5-20 (3) Detaching and refitting the duplex unit B..................1-5-21 1-5-7 Fuser section ............................1-5-26...
2HL/2HM/2HN 1-1 Specifications 1-1-1 Specifications 26/28 ppm (500-sheet) model Type ..........Desktop Printing method....... Electrophotographic four color (CMYK) printing using tandem (4) drum system Paper weight........Cassette: 60 to 120 g/m MP tray: 60 to 220 g/m Paper types* ........Cassette: Plain, preprinted, bond, recycled, rough, letterhead, color, prepunched, high quality, and custom MP tray:...
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2HL/2HM/2HN Resolution........600 dpi Operating systems......Microsoft Windows 2000/XP/Vista, Windows Server 2003 Apple Macintosh OS X Interface.......... Standard USB: Hi-Speed USB Network: 10 BASE-T/100 BASE-TX KUIO-LV slot Option: Hard disk Memory card slot ......1 (CompactFlash, 4 GB or less) Margin..........
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2HL/2HM/2HN 21/23 ppm (500-sheet) model Type ..........Desktop Printing method....... Electrophotographic four color (CMYK) printing using tandem (4) drum system Paper weight........Cassette: 60 to 120 g/m MP tray: 60 to 220 g/m Paper types* ........Cassette: Plain, preprinted, bond, recycled, rough, letterhead, color, prepunched, high quality, and custom MP tray: Plain, transparency, preprinted, labels, bond, recycled, vellum, rough, letterhead,...
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2HL/2HM/2HN Resolution........600 dpi Operating systems......Microsoft Windows 2000/XP/Vista, Windows Server 2003 Apple Macintosh OS X Interface.......... USB: Hi-Speed USB Network: 10 BASE-T/100 BASE-TX KUIO-LV slot Memory card slot ......1 (CompactFlash, 4 GB or less) Margin..........4 mm (left, right, top and bottom) °...
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2HL/2HM/2HN 21/23 ppm (250-sheet) model Type ..........Desktop Printing method....... Electrophotographic four color (CMYK) printing using tandem (4) drum system Paper weight........Cassette: 60 to 120 g/m MP tray: 60 to 220 g/m Paper types* ........Cassette: Plain, preprinted, bond, recycled, rough, letterhead, color, prepunched, high quality, and custom MP tray: Plain, transparency, preprinted, labels, bond, recycled, vellum, rough, letterhead,...
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2HL/2HM/2HN Resolution........600 dpi Operating systems......Microsoft Windows 2000/XP/Vista, Windows Server 2003 Apple Macintosh OS X Interface.......... USB: Hi-Speed USB Network: 10 BASE-T/100 BASE-TX KUIO-LV slot Memory card slot ......1 (CompactFlash, 4 GB or less) Margin..........4 mm (left, right, top and bottom) °...
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 26/28 ppm (500-sheet) model Figure 1-1-1 Operation panel Waste toner box 17. Envelope switch Front cover 10. Main charger units 18. USB memory slot Top cover (Top tray) 11.
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2HL/2HM/2HN 21/23 ppm (250-sheet) model Figure 1-1-2 Operation panel Waste toner box 17. Envelope switch Front cover 10. Main charger units 18. USB memory slot Top cover (Top tray) 11. Toner container M 19. USB interface Paper stopper 12. Toner container C 20.
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2HL/2HM/2HN (2) Operation panel 2 3 5 Figure 1-1-3 Message display Ready indicator Data indicator Attention indicator Arrow keys MENU key OK key GO key CANCEL key 1-1-9...
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.
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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.
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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, 220 - 240 V AC ± ± Power source frequency: 50 Hz 0.3%/60 Hz 0.3% Installation location Avoid direct sunlight or bright lighting.
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2HL/2HM/2HN 1-2-2 Unpacking (1) Unpacking 220-240 V AC model 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 600 × 600 × 900 Toner container (Yellow) Bottom pad Toner container (Black) 10.
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2HL/2HM/2HN 120 V AC model 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.
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2HL/2HM/2HN (2) Removing the tape <Procedure> 1. Remove the tape. Tape Figure 1-2-4 1-2-4...
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.
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.
2HL/2HM/2HN 1-2-5 Installing the hard disk (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.
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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 >...
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].
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.
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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 Used memory 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...
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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...
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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...
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2HL/2HM/2HN Service items Description Printing a status page for network Description On the status page for network, detailed network setting information is printed. >>Print Network Status Page Procedure 1. Enter the service mode [>>Print Network Status Page]. 2. Press the OK key. [>>Print Network Status Page?] will be displayed. 3.
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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 ×...
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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 cleaning when faulty images occur and a line appears longitudinally. Procedure 1.
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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.
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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.
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.
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2HL/2HM/2HN Service items Description Items Description Paper Jam Count. Event cont. 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.
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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...
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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)
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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.
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.
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.
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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 1-5-29). Reading from / writing to EEPROM Defective main Replace the main PWB (See page 1-5-29).
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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.
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2HL/2HM/2HN Remarks Code Contents Causes Check procedures/corrective measures 1500 PF warm air heater (upper blower) The inlet of upper Check visually and remove it, if any (Refer 1520 high temperature error* blower assembly is to the service manual for the paper feeder). 1540 (Option paper feeder) blocked by paper...
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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.
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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.
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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- The ready signal cannot be detected between develop- nuity within the connector harness. If none, within five seconds after the developing ing motor MCY and remedy or replace the harness (Refer to the motor MCY turns on.
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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.
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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.
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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- The pin photo signal (PDN) is not output between APC nuity within the connector harness. If none, from PD PWB Y for one second while PWB Y and engine remedy or replace the harness.
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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- A disconnection detection signal for between drum unit nuity within the connector harness. If none, eraser lamp C is detected for one sec- C and drum relay remedy or replace the harness.
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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- The detected fuser thermistor tempera- between fuser ther- nuity within the connector harness. If none, ° ° mistor and paper remedy or replace the harness.
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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.
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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- Over-current at toner motor K is detected between toner nuity within the connector harness. If none, for 80 ms in total while toner motor K is motor K and remedy or replace the harness.
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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- Over-current at toner motor Y is detected between toner nuity within the connector harness. If none, for 80 ms in total while toner motor Y is motor Y and remedy or replace the harness.
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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- No density detection signal is output between develop- nuity within the connector harness. If none, from toner sensor M in developing unit ing unit M and remedy or replace the harness.
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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- The EEPROM of drum PWB K does not between drum unit nuity within the connector harness. If none, communicate normally.
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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- The EEPROM of drum PWB M does not between drum unit nuity within the connector harness. If none, communicate normally.
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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- The detected signal of right ID sensor is between right ID nuity within the connector harness. If none, abnormal.
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 1-4-23 See page 1-4-23 See page 1-4-23 See page 1-4-24 (6)The background is (7)White streaks are...
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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.
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2HL/2HM/2HN (2) No image appears (entirely black). Print example Causes Check procedures/corrective measures No main Defective harness Reinsert the connector. Also check for continuity within the charging. between high voltage connector harness. If none, remedy or replace the harness. PWB and engine PWB (YC16), or improper con- nector insertion.
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2HL/2HM/2HN (5) Image is too light. Print example Causes Check procedures/corrective measures Defec- Defective developing unit. Replace the developing unit for the color that causes an error. tive Defective high voltage Replace the high voltage PWB (See page 1-5-34). develop- PWB.
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2HL/2HM/2HN (7) White streaks are printed vertically. Print example Causes Check procedures/corrective measures Foreign object in one of the develop- Check the image by using the test print of service mode. If the ing units. white line appears on a particular page, replace the developer for that color (See page 1-5-13).
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2HL/2HM/2HN (11) The leading edge of image begins to print too early or too late. Print example Causes Check procedures/corrective measures Paper feed clutch or registration Check the installation of the clutch. If it operates incorrectly, clutch operating incorrectly. replace it. (12) Paper is wrinkled.
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2HL/2HM/2HN (15) Fusing is loose. Print example Causes Check procedures/corrective measures Wrong types of paper. Check if the paper meets specifications, replace paper. Flawed heat roller or press roller. Replace the heat roller and press roller (See page 1-5-26). (16) Colors are printed offset to each other. Print example Causes Check procedures/corrective measures...
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.
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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 1-5-34). High voltage PWB - Engine PWB (YC16) Defective main charger unit Replace the main charger unit (See page 1-5-16).
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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.
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.
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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. Use only the specified parts to replace the fuser unit thermostat.
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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.
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...
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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...
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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...
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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.
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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...
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...
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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.
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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.
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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...
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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.
2HL/2HM/2HN 1-5-4 Developing section (1) Detaching and refitting the developing unit Procedure 1. Remove the intermediate transfer unit (See page 1-5-17). 2. Remove the drum unit (M,C,Y,K) (See page 1-5-15). 3. Pinch the lever of developing unit. Lever 4. Remove the developing unit (M,C,Y,K). Developing unit Developing unit M Developing unit C...
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2HL/2HM/2HN 5. Check or replace the developing unit and refit all the removed parts. NOTE: Remove the cap before installing the new developing unit. When reinstalling the developing unit, press it down until the lever of developing unit is engaged with the notch. New developing unit If it is difficult to engage the lever, press the unit down while rotating the gear to engage...
2HL/2HM/2HN 1-5-5 Drum section (1) Detaching and refitting the drum unit Procedure 1. Remove the intermediate transfer unit (See page 1-5-17). 2. Remove the drum unit (M,C,Y,K). 3. Check or replace the drum unit and refit all the removed parts. Drum unit Drum unit M Drum unit C...
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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 cover refit all the removed parts. unit M Main charger unit C...
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2HL/2HM/2HN 1-5-6 Transfer/separation section (1) Detaching and refitting the intermediate transfer unit Procedure 1. Open the top cover. Toner container C 2. Remove the all toner containers (M,C,Y,K). Toner container M Toner container Y Toner container K 21/23 ppm (250-sheet) model Toner container C Toner container M Toner container Y...
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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 1-5-19 4. Remove the two screws. Screw 5. Open the RFID holder. Screw RFID holder Figure 1-5-20 1-5-18...
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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 1-5-21 1-5-19...
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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.
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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 1-5-27). 3. While releasing the hook and then pull the MCH cleaning shaft MCH cleaning shaft. Hook Figure 1-5-23 4.
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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 1-5-25 7. Remove the four connectors. YC39 YC26 YC40 Connectors Figure 1-5-26 1-5-22...
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2HL/2HM/2HN 8. Remove the FFC. 9. Remove the screw and then remove the two grounding terminals. Screw Grounding terminals Figure 1-5-27 10. Remove the axis of the front cover left stop- per from the hole. 11. Remove the front cover. Front cover left stopper Axis...
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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 1-5-29 13. Remove the three connectors. Connector Connector Connector Figure 1-5-30 1-5-24...
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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. Duplex unit B Figure 1-5-31 1-5-25...
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 1-5-32 3. Remove two screws. 4. Unhook the hook and then remove the fuser unit.
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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 1-5-34 3.
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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 1-5-36 1-5-28...
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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 1-5-37 1-5-29...
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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 1-5-38 3. Remove the seven screws and then remove the feed housing. Screw Feed housing Screw Screw Screw Screw...
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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 1-5-40 8. Remove the three FFCs. 9.
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2HL/2HM/2HN 10. Remove the lever link. Lever link Figure 1-5-42 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 1-5-43 1-5-32...
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2HL/2HM/2HN 12. Remove the three screws and then remove the engine PWB assembly. Screw Screw Screw Engine PWB assembly Figure 1-5-44 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.
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2HL/2HM/2HN (4) Detaching and refitting the high voltage PWB Procedure 1. Remove the all drum units (See page 1-5- 15). 2. Remove the all developing units (See page 1-5-13). 3. Remove the engine PWB (See page 1-5- 30). 4. Remove the screw and then remove the HV terminal assembly K.
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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 1-5-48 10. Remove the screw. Screw Figure 1-5-49 1-5-35...
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2HL/2HM/2HN 11. Remove the high voltage PWB assembly. High voltage PWB assembly Figure 1-5-50 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...
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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- 15). 2. Remove the all developing units (See page 1-5-13). 3. Remove the two connectors. 4. Remove the wires form the three clamps. Clamp Wire Clamp...
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2HL/2HM/2HN 6. Remove the each three screws and then remove the laser scanner units (MC,YK). Laser scanner unit MC 7. Check or replace the laser scanner units Screws and refit all the removed parts. Screw Laser scanner unit YK Screws Screw Screw Screw...
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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 1-5-55 1-5-39...
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2HL/2HM/2HN 1-6 Firmware 1-6-1 Downloading firmware (1) Firmware file 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...
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2HL/2HM/2HN (2) 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.
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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...
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2HL/2HM/2HN (3) 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.
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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.
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2HL/2HM/2HN 13. Insert the memory card into the memory card socket. 14. Refit 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.
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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 (See page P.1-3-2).
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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.
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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...
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2HL/2HM/2HN (2) MP tray paper feed section The MP tray can contain about 150 pages. Feeding from the MP tray is performed by the rotation of the MP paper feed roller. Also, function of the MPF separation pad prevents paper from multiple feeding. Figure 2-1-3 MP tray paper feed section MP paper feed roller MPF friction pad...
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2HL/2HM/2HN (3) Paper conveying section The paper conveying section conveys paper to the transfer/separation section as paper feeding from the cassette or MP tray, or as paper refeeding for duplex printing. Paper by feeding is conveyed by the middle roller to the position where the registration sensor is turned on, and then sent to the transfer/separation section by the front registration roller and rear registration roller.
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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...
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2HL/2HM/2HN 2-1-2 Drum section (1) Drum section The drum section consists of the drum, the main charger unit, and the cleaning unit, and the drum surface is uniformly charged in preparation for formation of residual image by laser beam. After transfer is complete, toner remaining on the drum surface is chipped off with the cleaning blade and is collected to the waste toner box with the drum screw.
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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...
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2HL/2HM/2HN (2) Main charger unit The main charger unit consists of the main charger wire, the main charger grid, and the main charger shield, and charges the drum for image forming. Also the main charger unit is equipped with a main charger cleaning motor to conduct clean- ing automatically.
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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...
2HL/2HM/2HN 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.
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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...
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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...
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2HL/2HM/2HN 2-1-4 Developing section The developing unit consists of the sleeve roller that forms the magnetic brush, the magnet roller, the developing blade and the developing screws that agitate the toner. Also, the toner sensor checks whether or not toner remains in the devel- oping unit.
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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...
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2HL/2HM/2HN 2-1-5 Transfer/separation section The transfer/separation section consists of the intermediate transfer unit and the transfer roller unit. The intermediate transfer unit consists of the transfer cleaning unit, the transfer belt, and the four primary transfer rollers for respective color drums, and forms a full-color toner image by superimposing and transferring single-color toner images formed on each drum onto the transfer belt.
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2HL/2HM/2HN Transfer belt Secondary Primary Primary Primary Primary transfer roller Cleaning transfer transfer transfer transfer roller roller M roller C roller Y roller K 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...
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2HL/2HM/2HN 2-1-6 Fuser 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, 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.
2HL/2HM/2HN 2-1-7 Paper exit/feed shift section The paper exit/feedshift section consists of the conveying path which sends the paper that has passed the fuser section to the top tray or the duplex section. The conveying path is switched by the change guide activated by the duplex solenoid. Figure 2-1-20 Paper exit/feed shift section Paper exit roller FD roller...
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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...
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...
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.
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2HL/2HM/2HN 15. PD PWB K ........... Controls horizontal synchronizing timing of laser beam. (black) 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.
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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 and front cover are opened.
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2HL/2HM/2HN 21. Front cover open/close switch ..... Detects open/close front cover. 22. Fuser thermistor........... Measures the heat roller temperature. 2-2-4...
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2HL/2HM/2HN (3) Motors Machine left Machine inside Machine right Figure 2-2-3 Motors Paper feed motor ......... Drives the paper feed section. Lift motor ............Operates the bottom plate in the cassette. Polygon motor MC ........Drives the polygon mirror. Polygon motor YK ........Drives the polygon mirror. Drum motor M ..........
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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. 2-2-6...
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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 ..........
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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...
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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...
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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.
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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)
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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...
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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 (+)
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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...
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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...
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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...
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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...
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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.
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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...
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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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