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Panasonic FP-7718 Service Manual

Panasonic fp-7718; fp-7722; fp-7728; fp-7735 plain paper copier
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See also: Operating Manual
Service Manual
FP-7718/7722
FP-7728/7735
ORDER NO. OED9609343C1
Plain Paper Copier
© 1996 Matsushita Electric Industrial Co., Ltd.
All rights reserved. Unauthorized copying and
distribution is a violation of law.

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Summary of Contents for Panasonic FP-7718

  • Page 1 ORDER NO. OED9609343C1 Service Manual Plain Paper Copier FP-7718/7722 FP-7728/7735 © 1996 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 2 This manual was developed and is supplied to authorized servicing dealers by Panasonic Communications & System Co. for the sole purpose of providing information necessary for the equipment's proper support. It is intended that this information be confidential and may not be reproduced without prior written consent from Panasonic Communications &...
  • Page 3 NOTE: This supplement explains in detail the new functions introduced in the FP-7718/7722/7728/7735. This manual dose not contain descriptions of functions which are already described and unchanged in the FP- 7750/7742 service manual. For those items not covered in this supple-...
  • Page 4 This manual was developed and is supplied to authorized servicing dealers by Panasonic Communications & System Co. for the sole purpose of providing information necessary for the equipment's proper support. It is intended that this information be confidential and may not be reproduced without prior written consent from Panasonic Communications &...
  • Page 5 NOTE: This supplement explains in detail the new functions introduced in the FP-7718/7722/7728/7735. This manual dose not contain descriptions of functions which are already described and unchanged in the FP- 7750/7742 service manual. For those items not covered in this supple-...

  • Page 6: Table Of Contents

    Contents / Index I. Introduction 1.1 Specifications ..................1-1 1.2 Features .................... 1-3 1.3 System Configuration ............... 1-4 1.4 Operation ..................1-5 1.5 Outer view ..................1-8 II. Component Location 2.1 Inner View ..................2-1 2.2 Fan/Motor Location ................2-2 2.3 Sensor Location .................
  • Page 7 Supplement 1. Electrical Schematic Diagram (1) Schematic Diagram (2) Main CPU PCB (3) Control Panel PCB (4) Low Voltage Power Supply PCB 2. Description of circuit (1) Paper feed unit (2) Fuser temperature coutrol circuit (3) Fuser abnormal detecting circuit (4) Copy density sensor (5) Waste toner bottle sensor (6) Toner density sensor...
  • Page 8 Caution: Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacture's instructions.
  • Page 9 nfjlfns.dgn...

  • Page 10: Introduction

    Multi-feed bypass tray 11.Paper exit tray capacity 250 sheets 12.Paper weight Cassette : 16–24 lbs ( 60–90g/m Bypass : 15–30 lbs(55–130g/m 13.Special paper OHP,Label paper, Tracing paper (Through multi-feed bypass) 14.Continuous copying 1-999 reset to 1 (1–99 reset to 1: FP-7718)
  • Page 11 AC120V 60Hz / AC220 - 240V 50Hz 23.9" × 26.0" × 22.9" / 606 ×661 × 582 mm 21.Dimensions(W)(D)(H) 23.9" × 26.0" × 18.9" / 606 ×661 × 479 mm : FP-7718 22.Weight 159 lbs/71 kg (141 lbs/64 kg FP-7718) Temperature : 50–86F/10–30 °C...

  • Page 12: Features

    ADF and sorter can be connected with the main system easily by using exterior connectors. * : FP-7718 maximum feed paper capacity 2250 sheets: 4 drawers + multiple sheet bypass * : FP-7722 maximum feed paper capacity 2800 sheets: 5 drawers + multiple sheet bypass •...

  • Page 13: System Configuration

    1. 3 System Configuration Accessories FP-7718 FP-7722 FP-7728 FP-7735 System FA-DS72 console LCC ( FA-MA301 ) Copier Number of drawer paper feed Auto Duplex unit FA-MADM6 Option Option Option ADF FA-A505 i-ADF FA-A888 10bin sorter FA-S280 10bin staple sorter FA-S615...

  • Page 14: Operation

    1. 4 Operation Control Panel LEDGER LEGAL LETTER 4 5 6 INVOICE 7 8 9 0 Recall Key Communications To recall the number Original Size Keys of copies selected Monitor during a copy run. Quantity Keys Special Effects Panel Copy Size Keys Print Key Contents Function...
  • Page 15 (1) Special Effects Panel 1 2 3 Keys Keys Multi-Size Feeding Edge Mode Using i-ADF Book Mode Original Count Memory In/Job programs (FP-7722/7728/7735) Using i-ADF and ADU 2 in 1 Duplexing mode selection mode (FP-7722/7728/7735) Using ADU Access 2:1 Copy User Preset Using i-ADF OHP interleaving mode...
  • Page 16 INVOICE STACK FP-7718 Indicator Indicator Adding Message Display Paper (FP-7728/7735) Toner Indicates procedures, functions Staple (FP-7718/7722) maintenance, etc., Replacing Exposure Indicator Waste Toner Bottle Paper Size Indicator Reduction Paper Drawer/Tray Indicator (–) Enlargement Paper misfeed location (•) Service Call • Flashes for routine maintenance.

  • Page 17: Outer View

    1. 5 Outer view Control Panel i-ADF Bypass Sorter FP-7718 Sorter FP-7722/7728/7735 System console...

  • Page 18: Component Location

    II. Component Location 2. 1 Inner View 1. Fuser area cover 9. Manual paper feed knob 2. Toner bottle (Feed unit) 3. Drum unit 10. Paper transport handle 4. Developer unit 11. Transfer/Separation corona 5. Toner hopper unit 12. Paper transport unit 6.

  • Page 19: Fan/Motor Location

    Optics fan Developer cooling (except FP-7718) fan (except FP-7718) Toner bottle Main motor motor Dust collecting fan Suction/Ozone (except FP-7718/ 7722) Lifting motor *2 (Upper/lower stages) * 1 2 Exhaust Fan for FP-7718/7722 * 2 Upper stage only for FP-7718...

  • Page 20: Sensor Location

    Middle roller paper pass * (upper/lower stage) Copy density Bottom plate upper limit * sensor (Upper/lower stage) Registration Paper detection * Toner density roller paper pass (Upper/lower stage) Paper level * (Upper/lower stage) * Upper stage only for FP-7718...

  • Page 21: Solenoid/Clutch/Discharge Lamp Location

    2. 4 Solenoid/Clutch/Discharge lamp Location Discharge lamp Registration roller clutch Middle roller clutch Paper feed clutch Door switch Paper feed clutch * (Upper/lower stage) Power switch Recycle solenoid (FPJ-7728/7735) * Upper stage only for FP-7718...

  • Page 22: Pcb Location

    2. 5 PCB Location Control panel (2) LVPS (Low voltage power supply) Control panel (1) HVPS (High voltage power supply) AC driver LED array Main CPU Paper feed driver (except FP-7718)

  • Page 23: Preventive Maintenance

    III. Preventive Maintenance 3.1 Maintenance chart 1) Replacement (For FP-7718/7722) Item Service Part number Q'ty per Maintenance cycle (x 1000) unit Paper Paper feed roller FFPMA0541 feed DFP Roller FFPMA0541 unit Pick-up roller FFPMA0542 Registration roller FFPMA0539 Replace at 1,080,000 copies...
  • Page 24 Item Service Part number Q'ty per Maintenance cycle (x 1000) unit Fuser Separation finger (Upper) FFPLK0230 unit Separation finger (Lower) FFPLK0231 Thermistor FFPBL0015 Fuser lamp (850W) H12V085WN2A Cleaning web FFPKM0316 Cleaning web pressure roller FFPMA0470 Replace at 1,200,000 copies Heat roller FFPMA0574 Heat roller bearing FFPMQ0583...
  • Page 25 2) Replacement (For FP-7728/7735) Item Service Part number Q'ty per Maintenance cycle (x 1000) unit Paper Paper feed roller FFPMA0541 feed DFP Roller FFPMA0541 unit Pick-up roller FFPMA0542 Cleaning sheet FFPHK0951 Registration roller FFPMA0539 Replace at 1,080,000 copies Registration roller bearing FFPMQ0559 Replace at 1,080,000 copies Middle roller...
  • Page 26 Item Service Part number Q'ty per Maintenance cycle (x 1000) unit Fuser Separation finger (Upper) FFPLK0230 unit Separation finger (Lower) FFPLK0231 Thermistor FFPBL0015 Fuser lamp (850W) H12V085WN2A Cleaning web FFPKM01343 Cleaning web pressure roller FFPMA0470 Replace at 1,200,000 copies Heat roller FFPMA0577 Heat roller bearing FFPMQ0584...

  • Page 27: Pcb Connector And Signal Information

    IV. PCB Connector and Signal Information 4.1 Main CPU PCB (CN5) Signal Destination Status Function Name 13 LV == Not used == 15 RRSN2 == Not used == 17 GND == Not used == PCB Connector and Signal Information...

  • Page 28: Control Panel Pcb

    4.2 Control Panel PCB (1) Control panel (1) (CN401) (CN401) Signal Signal Destination Status Function Destination Status Function Name Name 11 VL LVPS DC+5V power supply 19 VLC Toner bottle DC+5V power supply CN104-1 home position sensor SN10-1 12 GND LVPS Ground 20 VLC...
  • Page 29 (CN402) (CN403) Signal Signal Destination Status Function Destination Status Function Name Name 1 LEDb2 Control Panel 2 LED ON/OFF signal 1 SH/LD Control panel 2 Key data CN351-1 CN352-1 shift/load signal Load Shift 2.5V Pulse 2 LEDb3 Control Panel 2 LED ON/OFF signal 2 CLK2 Control panel 2...
  • Page 30 (CN404) (2) Control panel (2) Signal Destination Status Function Name (CN351) 1 GND Control panel 2 Ground CN353-1 Same as Control Panel (1) CN402. 2 GND Control panel 2 Ground (CN352) CN353-2 Same as Control Panel (1) CN403. 3 VLC Control panel 2 DC+5V power supply CN353-3...
  • Page 31 (CN354) (FP-7728/7735 Only) (CN354) (FP-7728/7735 Only) Signal Signal Destination Status Function Destination Status Function Name Name 11 DB4 Indication data signal (4) 1 GND Ground Ind. CN-11 CN-1 12 DB5 Indication data signal (5) 2 VL DC +5V power supply CN-12 Ind.

  • Page 32: Low Voltage Power Supply Pcb

    4.3 Low Voltage Power Supply PCB (CN104) (CN104) Signal Signal Destination Status Function Destination Status Function Name Name 1 VL Control panel (1) DC +5V power supply 9 LCDWR Control panel (1) Pulse LCD data write signal CN401-11 CN403-6 2 CPOUT Control panel (1) Pulse Serial data...
  • Page 33 (CN109) (FP-7718 Only) (CN109~CN110) Signal Destination Status Function Name 1 GND Paper level Ground sensor CN-3 2 PEWSN Paper level Paper level detecting sensor signal CN-2 3 VL Paper level DC +5V power supply sensor CN-1 (CN110) (FP-7718 Only) Signal...
  • Page 34 (CN111) (FP-7718 Only) (CN111) (FP-7718 Only) Signal Signal Destination Status Function Destination Status Function Name Name 1 GND Paper detecting Ground 11 VP Paper feed clutch DC +24V power supply sensor CN-1 CN-3 2 PESN Paper detecting Paper empty detecting...

  • Page 35: Troubleshooting

    V. Troubleshooting 5.1 Service Mode (1) F4 mode Input/Output check 1) Input check. Set the copier to service mode and press Multi-Copy key “4”. Press Print key. Select desired code number with Multi-Copy key. Press Print key, inputs and outputs can be checked. Press Clear/Stop and User Preset key to escape service mode.
  • Page 36 2) Input Check For FP-7728/7735 Code Function Condition Message display ↑ a) Toner level detection Toner is empty ↑ b) Copier paper exit sensor Paper is not detected. ↑ c) Total counter Total counter is not connected. ↑ d) Key counter Key counter is not installed.
  • Page 37 3) Input Check (FP-7718/7722) : Lighting Code Function Condition Light Exposure indicator Dark a) Registration roller paper pass Paper is not detected. sensor b) Mirror home position sensor Mirror unit in home position. c) Lens home position sensor Lens unit in home position.
  • Page 38 Copier paper exit sensor Paper is not detected. c) Paper detection sensor Paper is not detected. (FP-7718) d) Paper pass sensor (FP-7718) Paper is not detected. e) Paper limit sensor (FP-7718) Paper is full f) Total counter Total counter is not connected.
  • Page 39 Code Function Condition Light Exposure indicator Dark a) System console motor Motor is locked. signal b) System console paper feed Cover is open. cover sensor c) Paper detection sensor 3 Paper is not detected. (System console lower paper tray) d) Paper limit sensor 3 Paper is over stocked.
  • Page 40 Charge high voltage leak Normal. detection b) Key counter Key counter is not installed. c) Paper lever sensor (FP-7718) Paper is empty or tray is pulled out. d) Paper level sensor Paper is empty. e) Paper exit cover sensor...
  • Page 41 Code Function Condition Light Exposure indicator Dark For FA-S575 a) Motor clock sensor Signal is detected. b) Bin ass'y upper/lower limit switch Bin is beyond the upper limit or beyond the lower limit. c) Cable safety switch Cable is loose. d) Bin ass'y position sensor 2 Bin ass'y position is placed correctly.
  • Page 42 Code Function Condition Light Exposure indicator Dark For FA-S280 a) Sorter cam sensor Sensor cam in home position b) Sorter bin position sensor Sorter bin in home position For FA-S680 (FP-7722) a) Bin home position switch Bin in home position b) Bin cam switch Bin cam in home postion c) Tamper home position...
  • Page 43 When CN8-7 is +24V, developer cooling fan rotates. Recycling solenoid (FP-7728/7735) When CN7-11 is +24V, solenoid operates. Optics fan motor 2 (except FP-7718) When CN107-3 is +24V, fan motor 2 rotates. Exhaust fan motor 3 (except FP-7718) When CN107-5 is +24V, fan motor 3 rotates.

  • Page 44: F5 Mode Copier Function Programming

    (2) F5 mode copier function programming Set the copier to service mode and press Multi-Copy key “5”. Press Print key. Press desired code number. Press Print key. Press desired function number with Multi-Copy key. When the Print key is pressed, the desired code input will be accepted. Press Clear/Stop and User Preset key to escape service mode.
  • Page 45 3: Book to 2 sided 2 in 1 mode copy ratio 0: Full size setting (except FP-7718) 1: Reduction Auto shift (except FP-7718) 0: No auto shift (Duplexing) 1: Auto shift ETP system operation cycle Number of copies for operating timing of (Refresh cycle) Refresh mode.

  • Page 46: F6 Mode Adjustment And Programming

    (3) F6 mode adjustment and programming Set the copier to service mode and press Muiti-Copy key “6”. Press Print key. Press desired code number. Press Print key. Press new setting number with Multi-Copy key . When the Print key is pressed, the desired code input will be accepted. Press Clear/Stop and User Preset key to escape service mode.
  • Page 47 (0 to +99) Trail edge timing of original After 06 is adjusted, black 0.525mm image (Reduction) line is adjusted. (FP-7722/28/35) (–) Advanced (+) Delayed 0.425mm (FP-7718) (–9 to +30) Trail edge timing of copy same as F6-08 0.525mm image (Enlargement) (FP-7722/28/35) 0.425mm (FP-7718)

  • Page 48: F7 Mode Electronic Counter

    Read procedure Set the copier to service mode and press Multi-Copy key “7”. Press Print key. Select the desired code number with Multi-Copy key. (FP-7728/7735) (FP-7718/7722) Press Print key. Indicates memorized count in the electric counter. 123 % (Upper 3 digit) Press Print key.
  • Page 49 Code Item Function Fuser cleaning web count Possible number of copies until replacement of web roller. 27 - 32 Not used ADF original feed total count Total count of originals fed. Duplex unit copy total count Total count of duplex unit copies. (FP-7728/7735) Sheet bypass count Total count of sheet bypass paper fed.

  • Page 50: F8 Mode Copier Operation Adjustment

    (5) F8 mode copier operation adjustment Set the copier to service mode and press Multi-Copy key “8”. Press Print key. Select the desired code number with Multi-Copy key. Adjust the selected mode according with instructed procedure. Press Clear/Stop and User Preset key to escape service mode. Code Item Function...
  • Page 51 (6) F9 Telephone# input (except FP-7718/7722) Set the copier to service mode and press Multi-Copy key “9”. Press Print key. Input the telephone number. Number: Multi-Copy key Hyphen (–): Recall key Space: Photo/Auto key Carousal moving to left side: Light key to right side: Dark key The Print key is pressed, the new telephone number is now in memory.

  • Page 52: Self-Diagnostics/Machine Malfunctions

    5.2 Self-diagnostics/Machine Malfunctions The self-diagnostic functions detect troubles in important components of the copier. When any trouble occurs, the copier is stopped. (1) User error NOTE: XXXX will appear in message display. Error Message (FP-7728/7735) Item See page code CHECK Sorter transport cover failure SORTER CONDITION CHECK...
  • Page 53 5-19...

  • Page 54: User Preset Mode

    To change initial setting number, zoom (Up•Down) keys are also available. 1 Check selected code number with message display (FP-7728/7735) or copy count display (FP-7718/7722) • Each code number is indicated as c00, c01, c02.., on the FP-7718/7722 copy count display. • Press User Preset key to return Normal operation.
  • Page 55 (2) Contents Code Item Function Initial setting UP00 Paper size (0) Letter R/A4R (1) Legal/B4 Copier: 3 • Sets the paper size of each (2) Letter/A4 (3) Ledger/A3 System console: paper drawer. (4) Invoice/A5 Consult service technician UP01 Paper size priority (0) Letter/A4 (1) Letter R/A4R •...
  • Page 56 Example: Changing Paper Size Perform following steps as shown below after any locking screws have been removed. FP-7728 / 7735 FP-7718 / 7722 1·4 Press User Input the desired Select the desired Preset key. paper size paper drawer/tray* Example: Changing Check Size To change preset check sizes, perform following steps.
  • Page 57 Example: To set Department Counter Mode To utilize Department Counter, Set the F5-42 as “2” (Department counter) Department Counter Key (FP-7718 / 7722) (FP-7728 / 7735) Press User Enter "1" and "9" to Enter Key Operator Enter "3" and "4"...
  • Page 58 Example: To set Department Maximum Copy limit Department Counter Key (FP-7718 / 7722) FP-7728 / 7735 Up • Down keys 3·6·8 Press User Enter "1" and "9" to Enter Key Operator Press Print Preset key. select UP 19/C 19 ID Code Enter "3"...
  • Page 59 Example: To set Department I.D. code Department Counter Key (FP-7718 / 7722 FP-7728 / 7735 3·6 Press User Enter "1" and "9" to Enter Key Operator Press Print Preset key. select UP 19/C 19 ID Code Enter "3" and "4" to select UP 34/C 34 Enter "3"...

  • Page 60: Unpacking/Installation

    VI. Unpacking/Installation 6. 1 Installation Requirements Make sure machine is properly leveled from left to right and from front to rear (use small carpenter level). The mains plug on this equipment must be used to disconnect mains power. Please ensure that the socket outlet is installed near the equipment and shall be easily accessible.

  • Page 61: Installation Procedure

    6.3 Installation Procedure • Remove the external packing/protection materials. • Remove the shipping tape from the copier. • Save the shipping materials for future use (Transport of copier) Location Shipping material/Procedure Check 1. Optical unit (1) Remove the original guide plate. (3 screws) (2) Remove the optical unit shipping brackets (front/rear) (1 screw...
  • Page 62 Location Shipping material/Procedure Check Paper transport unit (1) Open the front cover. (2) Remove the shipping tape. Tape Fuser unit (1) Open the paper exit door. (2) Open the fuser exit guide plate. (3) Remove the fuser pressure release screws. (2 screws) (4) Close the fuser exit guide plate.
  • Page 63 Location Shipping material/Procedure Check Pour the developer into the unit (1) Remove the developer unit lid. (2) Pour the developer evenly into the unit. Note: Pour in the entire bottle of developer, after shaking it well. (3) Reinstall the developer unit lid. (4)-1.
  • Page 64 Location Shipping material/Procedure Check Turn the power switch ON TDC adjustment (1) Press the “User Preset”, “Ledger/ A3 of Original Size” and “3” keys simultaneously to enter the F mode. (2) Press the “8” key to enter the F8 mode. (3) Press the “Print”...
  • Page 65 Location Shipping material/Procedure Check Toner bottle insertion (1) Open the front cover. (2) Take a fresh bottle of toner and shake it 10 to 15 times. Hopper (3) Swing the toner bottle hopper open 90 degrees. (4) Remove the toner bottle cap. (5) Insert the toner bottle into the hopper unit and turn it clockwise.
  • Page 66 6.5 Adjustment Location Shipping material/Procedure Check Exposure standard adjustment (1) Enter the F6 mode. (2) Confirm F6-11, 12, 17, 18 and 19 to “0”, and change as necessary. (3) Enter the F2 mode and set the exposure to the center position in the Document mode.
  • Page 67 Location Shipping material/Procedure Check Side to side adjustment Screw 1. Sheet bypass tray (1) Loosen adjusting screws. (2 screws) (2) Move the adjusting plate to the front or rear accordingly. Note: After this adjustment is done, duplex side to side Sheet by-pass tray adjustment must be done.
  • Page 68 Location Shipping material/Procedure Check 3. Side to side adjustment (Duplex) (1) Pull the duplex unit tray out until it stops. (2) Loosen the four screws of the front cover. (3) Move the front cover as required, then tighten the screws. Note: Move the front cover evenly.

  • Page 69: White Density Adjustment

    6.4 Whit Density Adjustment (When replacing the original guide for FA-A505) (1) Check the rank of sensor mark sheet back side of the original guide. (2) Select the F6 mode. (3) Press “2” and “8” keys to enter F6 mode code “28” then press “Print” key. (4) Enter the new content according to the rank of sensor mark sheet.
  • Page 70 (1) Paper feed unit L (0V) : No paper detected (ON) Paper pass sensor H (5V) : Paper detected (OFF) Paper feed driver PCB IC604 CN609 Paper detecting sensor L (0V) : Paper feed solenoid (ON) H (5V) : Paper feed solenoid (OFF) L (0V) : Paper feed clutch (ON) H (5V) : Paper feed clutch (OFF) IC602...
  • Page 71 (2) Fuser temperature control circuit DC Power PCB Power Switch CN803 NF Block AC Driver PCB SW202 (Door switch) CN201 Fuser Unit CPU P.C.B Thermostat L (0V) : Fuser lamp OFF CN203 H (5V) : Fuser lamp ON R208 Fuser lamp 1 CN16 CN206 TD36...
  • Page 72 (3) Fuser abnormal detecting circuit CPU P.C.B L : Fuser lamp OFF RA21 H : Fuser lamp ON To AC Drive P.C.B 0V) : Fuser lamp OFF 5V) : Normal DT35 RA21 DT42 Abnormal temperature detecting circuit 0V) : Fuser lamp OFF RA21 5V) : Normal IC13D...
  • Page 73 (4) Copy density sensor L (0V) : Sensor ON H (5V) : Sensor OFF CPU P.C.B Copy density sensor P.C.B Drum CN501 VR501 PS501 (Rear side) VR502 RA18 PS502 (Front side)
  • Page 74 (5) Waste toner bottle sensor Control panel (1) IC402 Waste toner full sensor CN401 L (0V) : Not full (OFF) H (5V) : Full (ON)
  • Page 75 (6) Toner density sensor Toner density sensor output voltage Approx. 2.5 V CPU P.C.B Developer unit Toner density sensor RA17 IC10 IC12 Toner density control gain adjustment voltage F6-21 = 0 (Approx. 6.5 V) (0.033 V/1 step)
  • Page 76 (7) Hopper unit Toner bottle motor CN113 (FP-7718/7722) L (0V) : Toner level sensor ON H (5V) : Toner level sensor OFF LVPS Toner bottle motor CN113 IC101 (FP-7728/7735) DT110 L (0V) : Home position (ON) Toner bottle position sensor...
  • Page 77 (8) Recycle solenid CPU P.C.B Developer Unit DT16 Recycle solenoid L (0V) : Recycle solenoid OFF F4-35 : Recycle solenoid H (5V) : Recycle solenoid ON...
  • Page 78 (9) Automatic Duplex Unit L (0V) : Paper detected (ON) H (5V) : NO paper detected (OFF) ADU Driver P.C.B Paper detecting sensor CPU P.C.B AD connector CN652 24V ground Paper pass sensor A L (0V) : No paper detected (ON) H (5V) : Paper detected (OFF) 5V ground Paper pass sensor B...

This manual is also suitable for:

Fp-7722Fp-7728Fp-7735

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