Utax DF 791 Service Manual
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Utax DF 791 Service Manual

Utax DF 791 Service Manual

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Date: 2 -0 -20
SM06

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Summary of Contents for Utax DF 791

  • Page 1 Service Manual Date: 2 -0 -20 SM06...
  • Page 2 Service Manual Date: 2 -0 -20 SM06...
  • Page 3 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 4 Revision history Revision Date Pages Revised contents...
  • Page 5 This page is intentionally left blank.
  • Page 6 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 7 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 8 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 9 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 10 • 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 11 This page is intentionally left blank.

  • Page 12: Table Of Contents

    3N0/3NK/3PD/3PG CONTENTS 1-1 Specifications 1-1-1 Specifications ........................1-1-1 1-1-2 Parts names .......................... 1-1-3 (1) Document Finisher ......................1-1-3 (2) Mail box(option) ....................... 1-1-4 (3) Bridge unit ........................1-1-5 1-1-3 Machine cross section ......................1-1-6 1-2 Installation 1-2-1 Installation environment......................1-2-1 1-2-2 Unpacking..........................
  • Page 13 3N0/3NK/3PD/3PG 2-1 Mechanical Construction 2-1-1 Bridge unit section ......................... 2-1-1 2-1-2 Paper insertion,feedshift and DF sub tray eject sections............2-1-2 (1) Feedshift operation to DF sub tray or prosessing section ..........2-1-3 2-1-3 Prosessing section ........................ 2-1-4 (1) Relief drum operation ....................... 2-1-6 (2) Bundle discharge operation....................

  • Page 14: Specifications

    3N0/3NK/3PD/3PG 1-1 Specifications 1-1-1 Specifications Document Finisher Item Specifications Type Floor model Number of trays Two tray Paper weight 45 to 256 g/m A4, A4R, B5, Letter, LetterR,16K,16KR,Folio: 3000 sheets Main Tray (Tray A) A3, B4, B5R,Ledger, Legal, 12 × 18", 8K, When not stapling Custom (98 ×...

  • Page 15: Mail Box(Option)

    3N0/3NK/3PD/3PG Mail box (option) Item Specifications Number of trays 7 trays A3, B4, Ledger: 50 sheets A4, A4R, B5, B5R, A5R, Legal, Letter, Letter R, 216 × 340 mm, Paper size (80 g/m Executive, Folio, Foolscap, 8K,16K, 16K-R, Statement R, Oficio II: 100 sheets A3, B4, Folio, Ledger, Legal 60 to 105 g/m2: 50 sheets...
  • Page 16 3N0/3NK/3PD/3PG 1-1-2 Parts names (1) Document Finisher Figure 1-1-1 1. DF main tray(tray A) 2. DF sub tray(tray B) 3. DF top cover 4. DF front cover 5. DF operation panel 1-1-3...
  • Page 17 3N0/3NK/3PD/3PG (2) Mail box(option) Figure 1-1-2 1. Trays 1 - 7 2. Mailbox cover 1-1-4...

  • Page 18: Bridge Unit

    3N0/3NK/3PD/3PG (3) Bridge unit Figure 1-1-3 1. BR conveying cover 2. BR cover open lever 3. BR entry guide 4. BR conveying guide 5. BR lock lever 1-1-5...

  • Page 19: Machine Cross Section

    3N0/3NK/3PD/3PG 1-1-3 Machine cross section Paper path Figure 1-1-4 1. DF processing section 5. Bridge unit section 2. Sub tray eject section 6. Mailbox (option) 3. Main tray eject section 7. Punch unit (option) 4. Staple unit 1-1-6...

  • Page 20: Installation Environment

    3N0/3NK/3PD/3PG 1-2 Installation 1-2-1 Installation environment Installation location (Be based on the machine establishment place.) Avoid direct sunlight or bright lighting. Ensure that the photoconductor will not be exposed to direct sunlight or other strong light when removing paper jams. Avoid locations subject to high temperature and high humidity or low temperature and low humidity;...

  • Page 21: Unpacking

    3N0/3NK/3PD/3PG 1-2-2 Unpacking (1) Unpacking Document Finisher Figure 1-2-1 1. Skid 8. Upper left pad 15. M4 x 20 screw 2. Bottom right pad 9. Spacer A 16. Connecting plate 3. Bottom left pad 10. Finisher tray 17. Hinge joints 4.
  • Page 22 3N0/3NK/3PD/3PG Bridge unit Figure 1-2-2 1. Outer case 10. Right lower guide 2. Bottom pad L 11. Rear tray 3. Bottom pad R 12. Earth plate Assy 4. Bottom spacer 13. Poly bag 5. Bridge unit 14. Label 6. Poly bag 15.
  • Page 23 3N0/3NK/3PD/3PG Mail box Figure 1-2-3 1. Mailbox 7. Inner pad 13. Front mounting plate cover 2. Outer case 8. Side spacer 14. Rear mounting plate cover 3. Inner case 9. Accessory case 15. M4 x 12 screw 4. Bottom pad A 10.

  • Page 24: Removing The Tapes And Pads

    3N0/3NK/3PD/3PG (2) Removing the tapes and pads Document Finisher Procedure 1. Remove tape from the finisher try. Tape Figure 1-2-4 2. Remove five tapes from the document Tape finisher. Tape Tape Tape Tape Figure 1-2-5 1-2-5...
  • Page 25 3N0/3NK/3PD/3PG 3. Remove two tapes from the document finisher. Tape Tape Figure 1-2-6 4. Open the DF upper front cover. DF upper front cover Figure 1-2-7 1-2-6...
  • Page 26 3N0/3NK/3PD/3PG Inner pad 5. Remove two tapes and two inner pads. Inner pad Tape Tape Figure 1-2-8 Tape 6. Remove three tapes and pad. Tape Tape Figure 1-2-9 Changing the default staple position of Manual Stapling If the inch size paper is used, use the procedure below to change the default Staple Position after turning the main power switch on.
  • Page 27 3N0/3NK/3PD/3PG Bridge unit Procedure 1. Remove two tapes from the bridge unit. Tape Tape Figure 1-2-10 1-2-8...
  • Page 28 3N0/3NK/3PD/3PG Mail box Procedure 1. Remove two tapes. Tape Tape Figure 1-2-11 2. Remove five tapes and paper. Tape Tape Tape Tape Paper Tape Figure 1-2-12 1-2-9...
  • Page 29 3N0/3NK/3PD/3PG This page is intentionally left blank. 1-2-10...

  • Page 30: Maintenance Mode

    3N0/3NK/3PD/3PG 1-3 Maintenance Mode 1-3-1 Maintenance mode The machine is equipped with a maintenance function which can be used to maintain and service the machine. (1) Executing a maintenance item Start Enter “10871087” using Maintenance mode is entered. the numeric keys. Enter the maintenance item The maintenance item is selected.

  • Page 31: Maintenance Modes Item List

    3N0/3NK/3PD/3PG (2) Maintenance modes item list Item Section Content of maintenance item Initial setting General U019 Displaying the firrmware version U234 Setting punch destination Inch (Inch)/Europe Met- Operation panel and ric (Metric) support U237 Setting finisher stack quantity equipment U240 Checking the operation of the finisher U241 Checking the operation of the switches of the finisher...
  • Page 32 3N0/3NK/3PD/3PG Contents of the maintenance mode items Item No. Description U019 Displaying the firrmware version Description Displays the part number of the ROM fitted to each PWB. Purpose To check the part number or to decide, if the newest version of ROM is installed. Method 1.
  • Page 33 3N0/3NK/3PD/3PG Item No. Description U019 Display Description Document processor firmware DP Boot Document processor booting Paper feeder firmware PF1 Boot Paper feeder booting Document finisher firmware DF Boot Document finisher booting Punch unit firmware PH Boot Punch unit booting Mailbox firmware MT BOOT Mailbox booting Fax APL1...
  • Page 34 3N0/3NK/3PD/3PG Item No. Description U234 Setting punch destination Description Sets the destination of punch unit of 1000-sheet finisher or 3000-sheet finisher. Purpose To be set when installing a different punch unit from the destination of the machine. Setting 1. Press the start key. 2.
  • Page 35 3N0/3NK/3PD/3PG Item No. Description U237 Setting finisher stack quantity Description Sets the number of sheets of each stack on the main tray and on the middle tray in 1000-sheet finisher or 3000-sheet finisher. Purpose To change the setting when a stack malfunction has occurred. Method 1.
  • Page 36 3N0/3NK/3PD/3PG Item No. Description U240 Checking the operation of the finisher Description Turns each motor and solenoid of 1000-sheet finisher or 3000-sheet finisher ON. Purpose To check the operation of each motor and solenoid of the 1000-sheet finisher or 3000-sheet fin- isher .
  • Page 37 3N0/3NK/3PD/3PG Item No. Description U240 Display Description Sort Test DF shift motor 1, 2 (DFSFM1, 2) is turned on Eject Unlock(30) DF eject release motor (DFERM) drive position 30-sheet stack Eject Unlock(50) DF eject release motor (DFERM) drive position 50-sheet stack Eject Unlock(Fix) DF eject release motor (DFERM) fixed drive position Eject Unlock(Full)
  • Page 38 3N0/3NK/3PD/3PG Item No. Description U241 Checking the operation of the switches of the finisher Description Displays the status of each switches and sensors of 1000-sheet finisher or 3000-sheet finisher. Purpose To check the operation of each switches and sensors of the 1000-sheet finisher or 3000-sheet finisher.
  • Page 39 3N0/3NK/3PD/3PG Item No. Description U241 Display Description Lead Paddle DF paddle sensor (DFPDS) Shift Front HP DF sift sensor (DFSFS1) Shift Tail HP DF shift sensor 2 (DFSFS2) Shift Unlock HP DF shift release sensor (DFSFRS) Sub Tray Full DF sub tray full sensor (DFSTFS) Shift Set DF shift set sensor (DFSFSS) :3 000-sheet finisyer only,...
  • Page 40 3N0/3NK/3PD/3PG Item No. Description U246 Setting the finisher Description Provides various settings for the 1000-sheet finisher, if furnished. Purpose Adjustment of registration stop timing in punch mode Adjust if skewed paper conveying occurs or if the copy paper is Z-folded in punch mode. Adjustment of paper stop timing in the punch mode To adjust this item when the position of a punch hole is different from the specified one.
  • Page 41 3N0/3NK/3PD/3PG Item No. Description U246 Setting: [Punch Regist] 1. Select [Punch Regist]. 2. Change the setting value using the +/- keys or numeric keys. Description Setting Initial Change in range setting value per step Adjustment of registration stop timing -5 to 5 0.25 mm If skewed paper conveying occurs (sample 1), increase the setting value.
  • Page 42 3N0/3NK/3PD/3PG Item No. Description U246 Setting: [Punch Width] 1. Select [Punch Width]. 2. Change the setting value using the +/- keys or numeric keys. Description Setting Initial Change in range setting value per step Adjustment of the punch center position timing -5 to 5 0.52 mm If the punch hole is too close to the front of the machine, increase the setting value.
  • Page 43 3N0/3NK/3PD/3PG Item No. Description U246 Setting: [Staple HP] 1. Select [Staple HP]. 2. Change the setting value using the +/- keys or numeric keys. Description Setting Initial Change in range setting value per step Adjustment of front and back stapling home position -5 to 5 1 mm When staple positions are off toward the front side of the machine (sample 1), increase the setting value.
  • Page 44 3N0/3NK/3PD/3PG Item No. Description U905 Checking counts by optional devices Description Displays the counts of document processor or document finisher. Purpose To check the use of document processor or document finisher. Method 1. Press the start key. 2. Select the device to be checked. The count of the selected device is displayed. Display Description Counts of document processor...
  • Page 45 3N0/3NK/3PD/3PG This page is intentionally left blank. 1-3-16...

  • Page 46: Paper Misfeed Detection

    3N0/3NK/3PD/3PG 1-4 Troubleshooting 1-4-1 Paper misfeed detection (1) Paper misfeed indication When a paper misfeed occurs, the machine immediately stops printing and displays the paper misfeed mes- sage on the operation panel. To remove paper misfed in the machine, pull out the cassette, open the paper conveying unit or paper conveying cover.
  • Page 47 3N0/3NK/3PD/3PG Figure 1-4-2 (A) Misfeed in the cassette 1 (B) Misfeed in the cassette 2 (C) Misfeed in the cassette 3 or 4 (option) (D) Misfeed in the MP tray (E) Misfeed in the duplex unit (F) Misfeed in the inner tray or fuser section (G) Misfeed in the document processor (option) (H) Misfeed in the job separator (I) Misfeed in the the bridge (option)

  • Page 48: Paper Misfeed Detection Component

    3N0/3NK/3PD/3PG (2) Paper misfeed detection component MBES Document processor TOFSW2 TOFSW3 TOFSW4 DPPFS DPOS TOFSW5 DPPFS DPSBS TOFSW6 DPTS TOFSW7 Mail box MBES JPFS DFSES DFPES BRCS1 DFDRS BRCS2 DFMTS DFMES 3000-sheet Document finisher MPPS PFPS1 PFFS PFPS2 PFFS2 PFPCS2 PFPS2 500-sheet×2 PFFS1...
  • Page 49 3N0/3NK/3PD/3PG Code Contents Conditions location* 0000 Initial jam The power is turned on when a sensor in the con- veying system is on. 0108 Waiting for option package to Option package won’t become ready. become ready 0114 BR conveying unit open The BR conveying unit is opened during printing.
  • Page 50 3N0/3NK/3PD/3PG Code Contents Conditions location* 5011 Bridge conveying sensor 2 The bridge conveying sensor 2(BRCS2) does not stay jam turn off during paper feed from cassette 1. 5012 The bridge conveying sensor 2(BRCS2) does not turn off during paper feed from cassette 2. 5013 The bridge conveying sensor 2(BRCS2) does not turn off during paper feed from cassette 3.
  • Page 51 3N0/3NK/3PD/3PG Code Contents Conditions location* 6600 DF drum sensor non arrival DF drum sensor (DFDRS) does not turn on within specified time of DF paper entry sensor (DFPES) turning on. 6810 DF side registration sensor 1 DF side registration sensor 1 (DFSRS1) is not stay jam turned off within specified time after driving the DF side registration motor 1 (DFSRM1).

  • Page 52: Troubleshooting

    3N0/3NK/3PD/3PG 1-4-2 Troubleshooting (1) First check items If the paper is fed askew, jammed, curled, or leading-edge dog-eared, first perform to check the following items. Check items Check description Corrective measures Paper 1. Check the paper delivered is If a dog-ear has happened, check there are no objects dog-eared, skewed, rumpled, existing in the conveying paths and, if any, fix.
  • Page 53 3N0/3NK/3PD/3PG Check items Check description Corrective measures Paper 8. Check the paper ejected is If the maintenance mode U161 shows that the fuser dog-eared, skewed, rumpled, temperature is set to an abnormal value, reset it to the loosely fused, or curled. default.
  • Page 54 3N0/3NK/3PD/3PG Check items Check description Corrective measures Conveying 1. Check that the foreign If foreign objects such as scrips, etc., remain in the guide, objects including scrips, paper conveying path, remove. approaching paper clips, etc., do not exist guide, feed- in the paper conveying paths.
  • Page 55 3N0/3NK/3PD/3PG Check items Check description Corrective measures Conveying 1. Check the conveying rollers Clean the conveying rollers or the pollyes. roller, feed have no paper dusts, toner, If variation in the external diameter or abrasion is roller or foreign objects observed, replace.

  • Page 56: Items And Corrective Actions Relating To The Device That Will Cause Paper Jam

    3N0/3NK/3PD/3PG Check items Check description Corrective measures Static Check if the location is Re-assemble and re-wire the static discharge sheet at susceptible to build static the ejection unit or the metal guide at the tranfer unit so discharge at the conveying guide that they are properly grounded.
  • Page 57 3N0/3NK/3PD/3PG Jam types Check description Corrective measures DF conveying sensor 3. If the paper is stuck in Affix sheets of PET film at the Stay Punch in two unreachable jam front of the conveying parts. (J610X) roller and it is not DF conveying sensor damaged, check if it is S TAY P U N C H...
  • Page 58 3N0/3NK/3PD/3PG Jam types Check description Corrective measures DF intermediate sen- 2. Check the range of the If the gap is not correct, fix balance of the bundle sor retention jam up and down eject unit. (J631X) movement of the If (1): Correct the phase shifting with meshing of the DF main tray ejection ejection rollers.
  • Page 59 3N0/3NK/3PD/3PG Jam types Check description Corrective measures DF intermediate sen- 4. Check if the dog-eared Replace the cursor with a new type. sor stay jam (J631X) paper, under-curled DF main tray ejection paper, or the paper fed stay JAM (J641X) in a wrong timing is DF eject sensor non disturbed at the cursor...
  • Page 60 3N0/3NK/3PD/3PG Jam types Check description Corrective measures DF intermediate sen- 8. Check if a floated Configure each of the cassettes for the weight of the sor stay jam (J631X) staple, buckling, or paper loaded.replace the paper. DF main tray ejection stapling at a wrong Adjust the stapling home position by U246 - Staple stay JAM (J641X)

  • Page 61: Electrical Parts That Could Cause Paper Jam At The Br (Bridge) Part

    3N0/3NK/3PD/3PG (3) Electrical parts that could cause paper jam at the BR (bridge) part Timing of detection Jam code J490x,J491x,J500x,J501x Corrective Action Related parts BR conveying motor (BRCM) Engine PWB (EPWB) BR conveying sensor 1 (BRCS1) BR PWB (BRPWB) BR conveying sensor 2 (BRCS2) Checking procedure at the Corrective action at the occurrence of...

  • Page 62: Electrical Parts That Could Cause Paper Jam At The Df Paper Entry,Feedshift And Subtray Left Eject Part

    3N0/3NK/3PD/3PG (4) Electrical parts that could cause paper jam at the DF paper entry,feedshift and subtray left eject part Timing of detection Jam code J610x,J611x,J620x,J621x,J630x,J631x Corrective Action Related parts DF paper entry motor (DFPEM) DF feedshift solenoid 3 (DFFSSOL) DF middle motor (DFMM) DP main PWB (DFMPWB) DF eject motor (DFEM) BR conveying motor (BRCM)
  • Page 63 3N0/3NK/3PD/3PG Checking procedure at the Corrective action at the occurrence of On/Off control signal output connector occurrence of J62XX (terminal), point of checking connection J62XX Items for Initial Checks see page 1-4-7 DF sub eject sensor (DFSES) : Conduct connectivity check, mounting location DF main PWB YC21-3 check, operation check (U241) DF feedshift solenoid 3 (DFFSSOL):...

  • Page 64: Electrical Parts That Could Cause Paper Jam At The Df Process Part

    3N0/3NK/3PD/3PG (5) Electrical parts that could cause paper jam at the DF process part Timing of detection Jam code J6500,J651x,J6600,J6610 Corrective Action Related parts DF middle motor (DFMM) DF main PWB(DFMPWB) DF drum motor (DFDRM) DF bundle eject sensor (DFBDS) DF drum sensor (DFDRS) DF feedshift solenoid 1 (DFDRSOL) Checking...
  • Page 65 3N0/3NK/3PD/3PG Checking procedure at the Corrective action at the occurrence of On/Off control signal output connector occurrence of J66XX (terminal), point of checking connection J66XX DF drum motor (DFDRM) : Operation DF main PWB YC18-1 to 4 check (U240) DF main PWB(DFMPWB) : Replace 1-4-20...

  • Page 66: Electrical Parts That Could Cause Paper Jam At The Df Eject Tray Part

    3N0/3NK/3PD/3PG (6) Electrical parts that could cause paper jam at the DF eject tray part Timing of detection Jam code J640x,J641x Corrective Action Related parts DF eject motor (DFEM) DF main PWB(DFMPWB) DF tray motor (DFTM) DF middle sensor (DFMES) DF tray upper sensor 1 and 2 (DFTUSS 1,2) Checking procedure at the...

  • Page 67: Self-Diagnostic Function

    3N0/3NK/3PD/3PG 1-4-3 Self-diagnostic function (1) Self-diagnostic function This machine is equipped with self-diagnostic function. When a problem is detected, the machine stops print- ing and display an error message on the operation panel. An error message consists of a message prompting a contact to service personnel and a four-digit error code indicating the type of the error.
  • Page 68 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Execute U240 Motor - Punch to check 8020 Punch motor 2 error Punch motor Home position is not obtained the finisher operation (see page 1-3-7). in 3 s after home position is 2.
  • Page 69 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Execute U240 Motor - Beat to check the 8090 DF paddle motor error DF paddle motor When the DF paddle motor is finisher operation (see page 1-3-7). driven, DF paddle sensor 2.
  • Page 70 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Execute U240 Motor - Eject Unlock 8100 DF eject release motor error DF eject release When the DF eject release (Full) to check the finisher operation motor motor is driven, DF bundle DF bundle (see page 1-3-7).
  • Page 71 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Execute U240 Motor - Sort Test to check 8110 DF shift motor 1 error DF shift motor 1 DF shift sensor 1 won’t turn on the finisher operation (see page 1-3-7). [front] when it has travelled 160 mm 2.
  • Page 72 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Execute U240 Motor - Sort Test to check 8120 DF shift motor 2 error DF shift motor 2 DF shift sensor 2 won’t turn on the finisher operation (see page 1-3-7). [rear] when it has travelled 160 mm 2.
  • Page 73 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Check that cancelling the maintenance 8130 DF shift release motor error DF shift release When the DF shift release mode after executing U240 Motor - Sort motor motor is driven, DF shift for the finisher operation check lets the release sensor does not turn rear and forth cursors returns to the...
  • Page 74 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Execute U240 Motor - Tray to check the 8140 DF tray error 1 DF tray motor When the main tray has finisher operation (see page 1-3-7). ascended, DF tray sensor 1 or 2.
  • Page 75 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Execute U240 Motor - Tray to check the 8150 DF tray error 2 DF tray motor When the main tray has finisher operation (see page 1-3-7). descended, DF tray sensor 1 2.
  • Page 76 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Execute U240 Motor - Tray to check the 8160 DF tray error 3 DF tray motor When the main tray has finisher operation (see page 1-3-7). descended, DF tray sensor 4 2.
  • Page 77 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Execute U240 Motor - Width Test to 8170 DF side registration motor 1 DF side registration error 1 check the finisher operation (see page motor 1 When initial operation, DF 1-3-7). side registration sensor 1 2.
  • Page 78 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Execute U240 Motor - Width Test to 8180 DF side registration motor 1 DF side registration error 2 check the finisher operation (see page motor 1 JAM6810 ( jam in front of 1-3-7).
  • Page 79 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Execute U240 Motor - Width Test to 8190 DF side registration motor 2 DF side registration error 1 check the finisher operation (see page motor 2 When initial operation, DF 1-3-7). side registration sensor 2 2.
  • Page 80 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Execute U240 Motor - Width Test to 8200 DF side registration motor 2 DF side registration error 2 check the finisher operation (see page motor 2 JAM6910 ( jam in rear of width 1-3-7).
  • Page 81 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Execute U240 Motor - Staple Move to 8210 DF slide motor error DF slide motor When initial operation, DF sta- check the finisher operation (see page ple sensor does not turn on 1-3-7).
  • Page 82 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Remove the staple unit and check that 8230 DF staple motor error 1 DF staple motor stapling is possible without a jam. Staple JAM (DF) has been 2. Confirm that the FCC wiring connector is detected twice in a row.
  • Page 83 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Execute U240 Motor - Middle(L) to 8260 DF middle motor error DF middle motor When the DF middle motor is check the finisher operation (see page driven, DF middle sensor 1-3-7). does not turn on within 1s.
  • Page 84 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Execute U240 Booklet - Punch Move to 8410 Punch slide motor error 1 Punch slide motor The punch slide sensor won’t check the finisher operation (see page turn On when home position 1-3-7).
  • Page 85 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Execute U240 Booklet - Punch Move to 8420 Punch slide motor error 2 Punch slide motor In detection of paper edges, check the finisher operation (see page the paper edge cannot be 1-3-7).
  • Page 86 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Confirm that the wiring connector is 8430 Punch unit communication Punch PWB error firmly connected and, if necessary, Communication with the connect the connector all the way in. punch unit is not possible. Punch PWB (YC1) and DF main PWB (YC7) 2.
  • Page 87 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Execute Mail Box - Conv of U240 8520 MB conveying motor error 2 MB conveying When standby operation, MB finisher operation check (see page 1-3- motor home position sensor does not turn off within 1 s. 2.
  • Page 88 3N0/3NK/3PD/3PG Check procedures/ Code Contents Causes corrective measures 1. Confirm that the wiring connector is 8800 Document finisher main DF main PWB program error firmly connected and, if necessary, Document finisher main pro- connect the connector all the way in. gram error at power up.

  • Page 89: Electric Problems

    3N0/3NK/3PD/3PG 1-4-4 Electric problems If the part causing the problem was not supplied, use the unit including the part for replacement. Troubleshooting to each failure must be in the order of the numbered symptoms. Problem Causes Check procedures/corrective measures 1. Defective connector Reinsert the connector.
  • Page 90 3N0/3NK/3PD/3PG Problem Causes Check procedures/corrective measures 1. Defective connector Reinsert the connector. Also check for continuity within the DF eject motor cable or poor con- connector cable. If none, replace the cable. does not operate. tact in the connector. DF eject motor and DF main PWB (YC12) 2.
  • Page 91 3N0/3NK/3PD/3PG Problem Causes Check procedures/corrective measures 1. Defective connector Reinsert the connector. Also check for continuity within the DF shift release cable or poor con- connector cable. If none, replace the cable. motor does not tact in the connector. DF shift release motor and DF main PWB (YC14) operate.
  • Page 92 3N0/3NK/3PD/3PG Problem Causes Check procedures/corrective measures (14) 1. Defective connector Reinsert the connector. Also check for continuity within the DF eject clutch cable or poor con- connector cable. If none, replace the cable. does not operate. tact in the connector. DF eject clutch and DF main PWB (YC14) 2.
  • Page 93 3N0/3NK/3PD/3PG Problem Causes Check procedures/corrective measures (19) 1. A piece of paper torn Check visually and remove it, if any. A paper jam is indi- from paper is caught cated when the around sensor. main power switch is turned on. Bridge to DF BR conveying sensor 1,2 or BR eject sensor ,DF...

  • Page 94: Mechanical Problems

    3N0/3NK/3PD/3PG 1-4-5 Mechanical problems If the part causing the problem was not supplied, use the unit including the part for replacement. Problem Causes/check procedures Corrective measures Paper outside specifications is used. Use only paper conforming to the speci- Paper jams. fications.
  • Page 95 3N0/3NK/3PD/3PG Problem Causes/check procedures Corrective measures Paper outside specifications is used. Use only paper conforming to the speci- Paper jams. fications. (Mail box) Check if the surfaces of the following roll- Clean with isopropyl alcohol. ers are dirty with paper powder. Paper conveying rollers Paper conveying pulleys Eject roller...

  • Page 96: Precautions For Assembly And Disassembly

    3N0/3NK/3PD/3PG 1-5 Assembly and disassembly 1-5-1 Precautions for assembly and disassembly (1) Precautions Before starting disassembly, press the Power key on the operation panel to off. Make sure that the Power lamp is off before turning off the main power switch. And then unplug the power cable from the wall outlet. When handling PWBs (printed wiring boards), do not touch parts with bare hands.

  • Page 97: Document Finisher Section

    3N0/3NK/3PD/3PG 1-5-2 Document finisher section (1) Detaching and refitting the DF main PWB Procedure 1. Remove screw and then remove the lid rear cover. Lid rear cover Screw Figure 1-5-1 DF upper 2. Remove three screws and then remove rear cover the DF upper rear cover.
  • Page 98 3N0/3NK/3PD/3PG 3. Remove all connectors from the DF main PWB. 4. Remove six screws. 5. Remove the DF main PWB. 6. Check or replace the DF main PWB and refit all the removed parts. CAUTION:when replacing the DF main PWB, remove the EEPROM (U2) from the DF main PWB that has been removed and then reattach it to the new Screw...

  • Page 99: Remarks On Df Main Pwb Replacement

    3N0/3NK/3PD/3PG (1-1) Remarks on DF main PWB replacement When replacing the DF main PWB, remove the EEPROM (U2) from the DF main PWB that has been removed and then reattach it to the new DF main PWB. DF main PWB EEPROM Figure 1-5-4 1-5-4...

  • Page 100: Detaching And Refitting The Staple Unit

    3N0/3NK/3PD/3PG (2) Detaching and refitting the Staple unit Procedure 1. Open the DF upper front cover. DF upper front cover Figure 1-5-5 Staple cover 2. Insert a flat screwdriver under the lever of the staple cover. Lift the lever upwards to open. 3.
  • Page 101 3N0/3NK/3PD/3PG 4. Raise the front of the staple unit and Hook pull the staple unit frontwards. 5. Check or replace the Staple unit and refit all the removed parts. Figure 1-5-7 1-5-6...

  • Page 102: Df Ejection Roller, Adjustment Of Roller Intervals

    3N0/3NK/3PD/3PG (3) DF ejection roller, adjustment of roller intervals The main tray ejection roller and the exit roller positioned too close will cause a paper jam at the leading edge of paper when a bundle is ejected, therefore, adjust the roller interval when the roller are too close. Bundle discharge unit Eject pulley Middle roller...
  • Page 103 3N0/3NK/3PD/3PG 5. Measure the distance between the rub- Eject pulley ber of the main tray ejection roller and the ejection roller of the bundle ejection unit.(a block gauge is required for mea- surement.) 6. Check that the gap (A) is within the range of 3.5 to 5.5 mm.
  • Page 104 3N0/3NK/3PD/3PG 3. Loosen the screw tightening the sensor mount bracket, slide the sensor mount bracket rightwards then tighten the screw. 4. Check that the gap is widened after the roller intervals adjustment, 1. Sensor mount Screw board Figure 1-5-12 1-5-9...

  • Page 105: Bridge Unit Section

    3N0/3NK/3PD/3PG 2-1 Mechanical Construction 2-1-1 Bridge unit section The bridge unit section consists of the parts shown in figure below and discharges paper conveyed from the machine to the document finisher. Figure 2-1-1 Bridge unit section 1. BR conveying roller 2.

  • Page 106: Paper Insertion,Feedshift And Df Sub Tray Eject Sections

    3N0/3NK/3PD/3PG 2-1-2 Paper insertion,feedshift and DF sub tray eject sections The paper insertion section inserts paper from the machine into the finisher and then conveys it to the feed- shift section.In addition, the paper insertion section switches the paper path to operate feedshift guide 3 and ejects paper to the DF sub tray or prosessing section.

  • Page 107: Feedshift Operation To Df Sub Tray Or Prosessing Section

    3N0/3NK/3PD/3PG (1) Feedshift operation to DF sub tray or prosessing section Feedshift guide 3 operates by feedshift solenoid 3, switches the paper path carried to the feedshift section, and conveys paper to the sub tray or prosessing section. In addition, DF sub eject sensor detects paper jam when ejecting to the DF sub tray.

  • Page 108: Prosessing Section

    3N0/3NK/3PD/3PG 2-1-3 Prosessing section The processing section consists of the parts shown in figure below and discharges paper conveyed from the bridge section to the eject tray. In addition, when processing in the bundle discharge mode and the staple mode, the relief drum section switches the paper path with the operation of the feedshift guide 1. 16,17 Figure 2-1-6 Processing section 1.
  • Page 109 3N0/3NK/3PD/3PG DFMPWB DRM MOT 2B,1B,2A,1A YC18-1,2,3,4 SUB_DRM SOL ACT SUB_DRM SOL KEEP YC18-6,7 MID EJE SENS SIG YC20-6 MIDDLE MOT 2B,1B,2A,1A YC12-9,10, 11,12 ADJUST SENS SIG YC22-24 EJE RELS MOT 2B,1B,2A,1A DFERM YC12-17,18, 19,20 PADDLE MOT DFADS 2B,1B,2A,1A DFPDM YC15-1,2,3,4 PAP SENS SIG DFDRSOL YC22-14...

  • Page 110: Relief Drum Operation

    3N0/3NK/3PD/3PG (1) Relief drum operation When more than one copy of A4 size paper are handled using the inner tray, feeding of the first and second pages of the next job is sustained until the third page is fed in order to retain the time during which paper feed- ing is progressed.

  • Page 111: Bundle Discharge Operation

    3N0/3NK/3PD/3PG (2) Bundle discharge operation DF main tray First paper 1. Paper is fed to the processing section Middle roller by rotation of the middle roller. Paper is fed to the DF main tray by rotation of the main tray eject roller. Main tray eject roller 2.
  • Page 112 3N0/3NK/3PD/3PG With the second paper and onwards: Bundle discharge unit 4. The paper is sent by the paper convey- ing guide onto the process system in Paddle the same way as the first paper. Second paper Middle roller First paper Paper conveying guide Paddle Adjustment paddle...

  • Page 113: Eject Tray Section

    3N0/3NK/3PD/3PG 2-1-4 Eject tray section In the sort mode or staple mode, paper is ejected to the main tray. In addition, by selecting the destination stack to the main tray, the paper is delivered to the main tray. Figure 2-1-12 Eject tray section 1.
  • Page 114 3N0/3NK/3PD/3PG DFSFM SFT SET SENS 2B,1B,1A,1B YC14-11,12,13,14 DFSFRM SFT SET SENS SIG YC22-30 DFSFSS EJECT CL YC14-9 DFECL YC13-3 TRY U SENS SIG K YC21-19 DFTUSS1,2 SFT R MOT 2B,1B,2A,1A YC14-1,2,3,4 SFT F MOT 2B,1B,2A,1A 5,6,7,8 BRAKE,DIR,CLK,ENABLE YC19-1,2,3,4 DFTM MTRY HP1 SENS SIG YC22-3 DFTS1 TRY HP2 SENS SIG...

  • Page 115: Main Tray Elevation Operation

    3N0/3NK/3PD/3PG (1) Main tray elevation operation The main tray lowers when paper is stacked on it. Once stacking has completed and paper has been removed, the main tray rises and stops at the home position. The main tray lowers and rises by the forward and backward rotation of the main tray motor, respectively.

  • Page 116: Mailbox (Option)

    3N0/3NK/3PD/3PG 2-1-5 Mailbox (option) The mailbox ejects and stacks to specified tray 1 to 7. Figure 2-1-16 Mailbox 1. Paper conveying pulleys 9. Tray 1 2. Paper conveying rollers 10. Tray 2 3. Eject pulleys 11. Tray 3 4. Eject rollers 12.
  • Page 117 3N0/3NK/3PD/3PG TEJS TEJS YC1-18 OFS1 TOFSW1 YC1-2 OFS2 YC1-5 TOFSW2 OFS3 YC1-8 TOFSW3 MBMPWB OFS4 TOFSW4 YC2-2 OFS5 TOFSW5 YC2-5 OFS6 TOFSW6 YC2-8 OFS7 TOFSW7 YC2-11 MOTOR _A,A,B,_B YC5-1,2,3,4 MBDM YC2-14 TEJS HP SIG MHPSW YC2-16 Figure 2-1-17 Mailbox block diagram 2-1-13...

  • Page 118: Eject Operation To Mailbox Tray

    3N0/3NK/3PD/3PG (1) Eject operation to mailbox tray When the belt retainer that moves on the belt passes through the feedshift claw lever, the feedshift claw is activated to switch the paper path for ejection to each tray. In addition, the tray eject sensor detects paper jam. Tray eject sensor Belt Feedshift claw...

  • Page 119: Punch Unit(Option)

    3N0/3NK/3PD/3PG 2-1-6 Punch unit(Option) The punch unit is installed on the paper insertion section of the finisher. It stops paper conveyance and punches paper. Figure 2-1-19 Punch unit 1. Punch cam 2. Punch cutter 3. Punch waste box 4. Punch home position sensor(PUHPS) 5.
  • Page 120 3N0/3NK/3PD/3PG PUNPWB PHMOT_N,P YC1-1,3 PHMOT_HP 24V2 PUHPS YC8-6 YC2-2 PHMOT_PLS PUPS YC8-3 PHTNK_FUL YC5-10 PUTFS PHSOL_PUL,RET PUSOL YC5-2,3 PHPES_DET YC7-1 PUPES2 PHADJ_HP YC6-3 PUSLS PHLED_A,B,C,D YC5-2,3,4,5 PUPES1 PHADJ_MOT 2B,1B 2A,1A PUSLM YC3-1,2,3,4 DFMPWB Figure 2-1-20 Punch unit block diagram 2-1-16...

  • Page 121: Electrical Parts Layout

    3N0/3NK/3PD/3PG 2-2 Electrical Parts Layout 2-2-1 Electrical parts layout (1) PWBs Machine front Machine inside Machine rear Figure 2-2-1 PWBs 1. DF main PWB (DFMPWB)....Controls electrical components. 2. Staple relay PWB (STRPWB) ....Relay the staple unit control signal. 2-2-1...

  • Page 122: Switches And Sensors

    3N0/3NK/3PD/3PG (2) Switches and sensors 18,19 14,15 Machine front Machine inside Machine rear Figure 2-2-2 Switches and sensors 1. DF paper entrance sensor (DFPES) ..Detects a paper misfeed in the entrance section. 2. DF middle sensor (DFMES)....Detects a paper misfeed in the conveying section. 3.
  • Page 123 3N0/3NK/3PD/3PG 6. DF adjustment sensor (DFADS) ... Detects the adjustment unit in the home position. 7. DF bundle discharge unit sensor (DFBDS) ..........Detects the position of the bundle discharge unit. 8. DF paddle sensor (DFPDS) ....Detects the position of the paddle. 9.

  • Page 124: Motors

    3N0/3NK/3PD/3PG (3) Motors 11,12 Machine front Machine inside Machine rear Figure 2-2-3 Motors 1. DF paper entrance motor (DFPEM)..Drives the paper entrance roller. 2. DF middle motor (DFMM) ..... Drives the middle roller. 3. DF paddle motor (DFPDM) ....Drives the paddle. 4.

  • Page 125: Solenoids And Clutch

    3N0/3NK/3PD/3PG (4) Solenoids and clutch Machine front Machine inside Machine rear Figure 2-2-4 Solenoids and clutch 1. DF feedshift solenoid 1 (DFDRSOL)..Operates feedshift guide 1. 2. DF feedshift solenoid 2 (DFFSSOL) ..Operates feedshift guide 2. 3. DF eject clutch (DFECL) ....... Drives the eject roller. 2-2-5...

  • Page 126: Bridge Section

    3N0/3NK/3PD/3PG (5) Bridge section Machine front Machine inside Machine rear Figure 2-2-5 Bridge section 1. BR PWB (BRPWB) ....... Controls the paper conveying section. 2. BR conveying sensor1 (BRCS1)... Detects a paper misfeed in the bridge section. 3. BR conveying sensor2 (BRCS2)... Detects a paper misfeed in the bridge section 4.

  • Page 127: Mailbox (Option)

    3N0/3NK/3PD/3PG (6) Mailbox (option) Machine front Machine inside Machine rear Figure 2-2-6 Mailbox 1. Mailbox main PWB (MBMPWB).... Controls electric components of mailbox. 2. Tray overflow switch 1 (TOFSW1) ..Detected overflow of ejected to tray 1. 3. Tray overflow switch 2 (TOFSW2) ..Detected overflow of ejected to tray 2. 4.

  • Page 128: Punch Unit(Option)

    3N0/3NK/3PD/3PG (7) Punch unit(Option) Figure 2-2-7 Bridge section 1. Punch PWB (PUNPWB) ....... Controls electric components of punch unit. 2. Punch home position sensor (PUHPS) ..........Detects home position of the punch cam. 3. Punch pulse sensor (PUPS) ....Controls the rotation of punch cam. 4.
  • Page 129 3N0/3NK/3PD/3PG This page is intentionally left blank. 2-2-9...

  • Page 130: Df Main Pwb

    3N0/3NK/3PD/3PG 2-3 Operation of the PWBs 2-3-1 DF main PWB YC18 YC12 YC17 YC16 YC23 Figure 2-3-1 DF main PWB silk-screen diagram 2-3-1...
  • Page 131 3N0/3NK/3PD/3PG Connector Signal Voltage DescrIption 24 V DC 24V1 24 V DC power output to DFFCSW Connected to 0/24 V DC FRONT COV SIG DFFCSW: On/Off the DF front 24 V DC EJECT COV 24 V DC power output to DFECSW cover sw and SOURCE DF eject...
  • Page 132 3N0/3NK/3PD/3PG Connector Signal Voltage DescrIption 5 V DC 5 V DC power output 3.3 V DC Connected to 3.3V 3.3 V DC power output the punch 3.3 V DC 3.3V 3.3 V DC power output Ground Ground 0/3.3 V DC PHPES REM PUPES: On/Off 0/3.3 V DC...
  • Page 133 3N0/3NK/3PD/3PG Connector Signal Voltage DescrIption 0/3.3 V DC YC13 TRY U SENS K DFTUSS2: On/Off Connected to Ground the DF tray 0/3.3 V DC TRY U SENS SIG DFTUSS2: On/Off upper surface 3.3 V DC 3.3V 3.3 V DC power output sensor 2 0/24 V DC(pulse) YC14...
  • Page 134 3N0/3NK/3PD/3PG Connector Signal Voltage DescrIption 0/24 V DC(pulse) YC17 STP_MOT OUT2 DFSTM control signal Connected to 0/24 V DC(pulse) STP_MOT OUT2 DFSTM control signal the staple unit 0/24 V DC(pulse) STP_MOT OUT2 DFSTM control signal 0/24 V DC(pulse) STP_MOT OUT2 DFSTM control signal 0/24 V DC(pulse) STP_MOT OUT1...
  • Page 135 3N0/3NK/3PD/3PG Connector Signal Voltage DescrIption 0/24 V DC YC19 BRAKE DFTM control signal Connected to 0/24 V DC DFTM control signal the DF tray 0/24 V DC(pulse) Clock signal motor 0/24 V DC ENABLE DFTM control signal Ground 24 V DC 24V2 24 V DC power output to DFTM 3.3 V DC...
  • Page 136 3N0/3NK/3PD/3PG Connector Signal Voltage DescrIption 3.3 V DC YC22 MTRY HP1 SENS A 3.3 V DC power output to DFTS1 Connected to Ground the DF tray 0/3.3 V DC MTRY HP1 SENS DFTS1: On/Off sensor 1,2,DF slide 3.3 V DC STAPLE SENS A 3.3 V DC power output to DFSLS sensor,DF...
  • Page 137 3N0/3NK/3PD/3PG Connector Signal Voltage DescrIption 3.3 V DC YC23 SFT F HP SENS A 3.3 V DC power output to DFSFS1 Connected to Ground the DF shift 0/3.3 V DC SFT F HP SENS SIG DFSFS1: On/Off sensor1,2,DF 3.3 V DC SFT R HP SENS A 3.3 V DC power output to DFSFS2 tray sensor...

  • Page 138: Mailbox Main Pwb

    3N0/3NK/3PD/3PG 2-3-2 Mailbox main PWB Figure 2-3-2 Mailbox main PWB silk-screen diagram 2-3-9...
  • Page 139 3N0/3NK/3PD/3PG Connector Signal Voltage DescrIption Ground Connected to OFS1 0/5 V DC TOFSW1: On/Off the tray over- 5 V DC 5 V DC power output flow switch 1 Ground to 5 and tray eject sensor OFS2 0/5 V DC TOFSW2: On/Off 5 V DC 5 V DC power output Ground...
  • Page 140 3N0/3NK/3PD/3PG Connector Signal Voltage DescrIption Ground Connected to Ground the DF main Ground 5 V DC 5 V DC power input 24 V DC 24 V DC power input 24 V DC 24 V DC power input 0/5 V DC (pulse) Mailbox serial communication data signal 0/5 V DC (pulse)

  • Page 141: Br Pwb (Mfp/ Printer)

    3N0/3NK/3PD/3PG 2-3-3 BR PWB (MFP/ PRINTER) Figure 2-3-3 BR PWB silk-screen diagram Connector Signal Voltage Description 24V1 24 V DC 24 V DC power input from machine Connect to 3.3V1 3.3 V DC 3.3 V DC power input from machine the machine Ground Ground...
  • Page 142 3N0/3NK/3PD/3PG Connector Signal Voltage Description BRIDGE_LED_A 3.3 V DC 3.3 V DC power output to BRCS1 Connect to Ground the BR BRIDGE_SENS 1 0/3.3 V DC BRCS1: On/Off conveying SMOT_B2 0/24V DC (pulse) BRCM drive control signal sensor 1, BR SMOT_A2 0/24V DC (pulse) BRCM drive control signal...

  • Page 143: Punch Unit Pwb

    3N0/3NK/3PD/3PG 2-3-4 Punch unit PWB YC10 YC11 Figure 2-3-4 Punch unit PWB silk-screen diagram Connector Signal Voltage Description PH_SDI 0/3.3V DC(pulse) Serial communication data signal input PH_SDO 0/3.3V DC(pulse) Serial communication data signal output Connected to the machine PH_CLK 0/3.3V DC(pulse) Serial communication clock signal PH_SEL 0/3.3V DC...
  • Page 144 3N0/3NK/3PD/3PG Connector Signal Voltage Description PHADJ_MOT 0/24V DC(pulse) PUSLM drive control signal PHADJ_MOT 0/24V DC(pulse) PUSLM drive control signal Connected to the punch slide motor PHADJ_MOT 0/24V DC(pulse) PUSLM drive control signal PHADJ_MOT 0/24V DC(pulse) PUSLM drive control signal PHMOT_N 0/24V DC(pulse) PUM drive control signal Connected to...
  • Page 145 3N0/3NK/3PD/3PG Connector Signal Voltage Description PHTNK_SET 0/3.3V DC PUTSSW: On/Off Connected to Ground the punch tank set switch 2-3-16...

  • Page 146: Appendixes

    3N0/3NK/3PD/3PG 2-4 Appendixes 2-4-1 Appendixes (1) List of maintenance parts Document Finisher Maintenance part name Alternative Part No. part No. Name used in service manual Name used in parts list PARTS ROLLER SUB EXIT SP 303NB94060 3NB94060 Sub tray eject roller PARTS ROLLER SUB CONVEYING 303NB94070 3NB94070...
  • Page 147 3N0/3NK/3PD/3PG Maintenance part name Alternative Part No. part No. Name used in service manual Name used in parts list PARTS SENSOR OPT. SP 303NW94050 3NW94050 DF sub try full sensor SENSOR OPT. 303NW94060 3NW94060 DF paper entrance sensor SENSOR OPT. 303NW94060 3NW94060 DF eject paper sensor...

  • Page 148: Periodic Maintenance Procedures

    3N0/3NK/3PD/3PG (2) Periodic maintenance procedures Document Finisher Maintenance User Mainte- Section Points and cautions Page part/location call nance * Outer, Outer Covers, Tray Clean Clean with alcohol or a dry cloth. Cover Maintenance User Mainte- Section Points and cautions Page part/location call nance *...
  • Page 149 3N0/3NK/3PD/3PG Maintenance User Mainte- Section Points and cautions Page part/location call nance * Driving GEAR 51 Grease Apply EM-50LS to the teeth part. section (PN 7BG010009H GREASE MORYKOTE EM-50LP 50G) GEAR,WORM Grease Apply EM-50LS to the teeth part. (PN 7BG010009H GREASE MORYKOTE EM-50LP 50G) Maintenance User...
  • Page 150 3N0/3NK/3PD/3PG Mail box (option) Maintenance User Mainte- Section Points and cautions Page part/location call nance * Outer, Outer Covers, Tray Clean Clean with alcohol or a dry cloth. Cover Maintenance User Mainte- Section Points and cautions Page part/location call nance * Conveying Paper conveying roll- Clean...

  • Page 151: Wiring Diagram

    3N0/3NK/3PD/3PG (3) Wiring diagram DF main PWB 2-4-6...
  • Page 152 3N0/3NK/3PD/3PG BR PWB YC29 FAN_REM BRIDGE_FAN BRIDGE_VREF BRIDGE_VREF BRIDGE_REM BRIDGE_REM BRIDGE_CLK BRIDGE_CLK BRIDGE_PH0 BRIDGE_PH0 BRIDGE_PH1 BRIDGE_PH1 BRIDGE_DET BRIDGE_DET BRIDGE_SENS 1 BRIDGE_SEN1 BRIDGE_SENS 2 BRIDGE_SEN2 COVER_OPEN COVER_OPEN 3.3V1 3.3V1 24V1 24V1 EPWB BRPWB FAN_REM COVER_OPEN BRCUSW BRIDGE_LED_A BRCS2 Vout BRIDGE_SENS_2 BRIDGE_LED_A BRCS1 Vout BRIDGE_SENS_1...
  • Page 153 3N0/3NK/3PD/3PG Mail box main PWB TOFSW1 OFS1 TOFSW2 OFS2 MT DO MT DIN SCLK MT CLK TOFSW3 OFS3 MT SEL READY MT RDY DFMPWB TOFSW4 OFS4 TOFSW5 OFS5 MBMPWB TEJS MOTOR _A MOTOR A MBDM MOTOR B MOTOR _B TEJS R24V MCOSW MHPSW...
  • Page 154 3N0/3NK/3PD/3PG Punch unit PWB PGND PHMOT_ N PHMOT_ N 24V2 24V2 PHMOT_ P PHMOT_ P PU_ DO PH_SDI PHADJ_ MOT 1A PHADJ_ MOT_ A PU_ DI PH_ SDO PHADJ_ MOT 2A PHADJ_ MOT_ B PUSLM PU_ CLK PH_ CLK PHADJ_ MOT 1B PHADJ_ MOT_ An PU_ SEL PH_ SEL...

  • Page 155: Installation Guide

    1-1 INSTALLATION GUIDE DF-791 (3000-sheet finisher) Installation Guide...
  • Page 156 INSTALLATION GUIDE GUIDE D’INSTALLATION GUÍA DE INSTALACION INSTALLATIONSANLEITUNG GUIDA ALL’INSTALLAZIONE 安装手册 설치안내서 設置手順書 DF-791...
  • Page 157 AK-740 F(M4x8) G(M4x20) E. Staple cartridge.......... 1 Be sure to remove any tape and/or cushioning English F. M4 × 8 screw ..........1 materials from the parts supplied. Supplied parts G. M4 × 20 screw ........... 2 A. Document finisher........1 B.
  • Page 158 NOTICE Procedure 1.Install eject tray (B) to document finisher (A) The Attachment Kit (AK-740) must be installed Before starting installation, be sure to turn the by inserting the 2 hooks (1) on the back of before the document finisher is installed. main power switch of the machine off, and the tray in the holes (2) of the finisher lift unplug the power plug from the wall outlet.
  • Page 159 F(M4x8) F(M4x8) If PF-810 is installed If PF-791 is installed 2.Install earth plate (AA) to the bottom center of document finisher using 2.Install earth plate (AA) to the bottom center of document finisher using an M4 × 8 screw (F).Secure the plate at the location marked "PF-810". an M4 ×...
  • Page 160 G(M4x20) G(M4x20) 3.Remove the machine interface cover (3). 4.Attach the connecting plate (C) to the machine using 2 M4 × 20 screws (G). Attach them at the point as shown above. Only If PF-810 is installed, execute step 5 5.Remove the breakaway cover (4) from the left cover. If PF-791 is installed, proceed to step 6.
  • Page 161 6.Connect the signal line connector (5) to the 7.Fit the connector cover (D) in the connecting 8.Open the document finisher upper front connector (6) on the machine. Hook the sig- plate (C). Take care not to get the cable cover (9). Remove the screw (10). Pull the nal line wire (7) onto the hook (8).
  • Page 162 12 C 9.Insert the pin (12) on the connecting plate 10.Slowly push the lock frame (11) fully into the 12.Install the staple cartridge (E). (C) into the hole (13) on the document fin- machine so that the connectors at the far 13.Close the upper front cover (9).
  • Page 163 Adjusting the height Compliant: The diameter (a) of the pin (12) is within the height range (b) of the curved section (21). 1.Check that the respective heights of the pins Non-compliant: The diameter (a) of the pin (12) is extends beyond the height range (b) of the curved (12) on the connecting plate installed on the section (21).
  • Page 164 2.Open the upper front cover (9) of the document finisher. 4.Remove the 3 screws (24) and remove the lower rear cover (25). 3.Remove the 3 screws (22). Remove the lower front cover (23). 2.Ouvrir le couvercle avant supérieur (9) du finisseur de document. 4.Déposer les 3 vis (24) puis le couvercle arrière inférieur (25).
  • Page 165 5.Remove the screw (26) to remove the span- 7.Turn the adjustment bolts (29) with the spanner (27) to adjust the height of the document finisher. ner (27). Turning the adjustment bolt clockwise lifts the document finisher, and turning it counterclockwise 6.Loosen the 2 screws (28) on the front right lowers the document finisher.
  • Page 166 9.If the distances between the document fin- 10.Loosen the 2 screws (32) on the front left 11.Turn the adjustment bolts (33) with a Philips- isher and the machine (30, 31) are unequal, and on the rear left of the document finisher. head screwdriver to adjust the height of the use the procedure below to adjust the spac- document finisher.
  • Page 167 12.Retighten each of the 2 screws (32). 13.Reinstall the lower front cover (23) and lower rear cover (25). 12.Resserrer les 2 vis (32). 13.Reposez le couvercle avant inférieur (23) et le couvercle arrière inférieur (25). 12.Vuelva a apretar los 2 tornillos (32). 13.Vuelva a instalar la cubierta frontal inferior (23) y la cubierta posterior inferior (25).
  • Page 168 78.5mm±2.5 158mm±2.5 Adjusting the stapling position 1.Connect the machine power plug to the wall outlet and turn the machine main power switch on. 2.Make a test copy using staple mode (double stapled). 3.Check whether the stapling position is off-center. If the staple position is off-center, follow the procedure below to adjust the position. <Reference value>...
  • Page 169 4.Set maintenance mode U246, select Finisher, Staple HP. 6.Perform a test copy. 5.Adjust the values. 7.Repeat steps 4 to 6 until the staple position is within the reference If the paper is stapled too close to the front of the machine (a): Increase value.

  • Page 170: Bridge Unit)

    AK-740 (Bridge unit) Installation Guide...
  • Page 171 AK-740 ATTACHMENT KIT for Black & White MFP 30ppm,35ppm Color MFP 25/25ppm Black & White MFP 30ppm,35ppm Color MFP 25/25ppm Black & White MFP 30ppm,35ppm Color MFP 25/25ppm 2013.6 303PD56710-01...

  • Page 172: B) (Mail Box)

    MT-730(B) (Mail box) Installation Guide...
  • Page 173 INSTALLATION GUIDE GUIDE D’INSTALLATION GUÍA DE INSTALACION INSTALLATIONSANLEITUNG GUIDA ALL’INSTALLAZIONE 安装手册 설치안내서 設置手順書 MT-730(B)
  • Page 174 English A different procedure is required depending on the product which is installed with this unit.Each procedure is described in the following pages. When installing to a document finisher, see Page 1 to Page 6. When installing to a Printer, see Page 7 to Page 12. Français Une procédure différente est requise selon le produit qui est installé...
  • Page 175 E (M4x12) E. M4 × 12 screw ........... 2 Be sure to remove any tape and/or cushioning English F. Tray name label (for users)......1 materials from the parts supplied. Supplied parts A. Mailbox ............1 B. Front mounting plate cover......1 C.
  • Page 176 Procedure 1.Remove the front top cover (2) and rear top cover (3) at the top of the finisher (1) using a flat- Before starting installation, be sure to turn the blade screwdriver or the like. main power switch of the machine off, and unplug the power plug from the wall outlet.
  • Page 177 2.Fit the hooks (4) located at the front and rear of the bottom of the mailbox (A) into the notches (5) located at the front and rear of the top of the finisher (1) as shown in the illustration and attach the mailbox (A) to the finisher (1). Note: Lift the front and rear of the mailbox (A) lightly upward to make sure that no gap is made between the mailbox (A) and the machine.
  • Page 178 3.Secure the mailbox (A) using the two screws 4.Remove the rear cover (6) of the mailbox 5.Plug the connector (7) of the mailbox (A) into M4x12 (E). (A). the connector (8) of the machine body. 6.Reinstall the rear cover (6) of the mailbox (A).
  • Page 179 7.Insert the 2 hooks (9) on the front mounting 8.Install the rear mounting plate cover (C) on plate cover (B) for the mailbox into the fin- the finisher in the same way. isher to install the cover (B). 7.Insérer les 2 crochets (9) du couvercle de la 8.Installer le couvercle de la plaque de mon- plaque de montage avant (B) de la boîte à...
  • Page 180 9.Fit the seven copy eject bins (D) to the ejection section of the mailbox (A) from the lowest bin to 10.Insert the power plug from the machine into the highest. the outlet, turn the main power switch on, Press both ends of each copy eject bin (D) to bend it a little, then fit the bin by inserting the front and verify the machine operates normally.
  • Page 181 E (M4x12) E. M4 × 12 screw ........... 2 Be sure to remove any tape and/or cushioning English F. Tray name label (for users)......1 materials from the parts supplied. Supplied parts A. Mailbox ............1 B. Front mounting plate cover......1 B and C are not used.
  • Page 182 Note Procedure The Attachment Kit(AK-736) must be installed Before starting installation, be sure to turn the main power switch of the machine off, and unplug the before the mailbox is installed. power plug from the wall outlet. Remarque Procédure L'Attachment Kit (AK-736) doit être installé Avant de commencer l'installation, s'assurer de mettre la machine hors tension et de débrancher la avant d'installer la boîte à...
  • Page 183 E(M4x12) E(M4x12) 1.Insert the hooks (1) located at the front and rear of the bottom of the mailbox (A) into the notches 2.Secure the mailbox (A) using the two screws (2) of the machine and attach the mailbox (A) to the machine. M4x12 (E).
  • Page 184 3.Remove the rear cover (3) of the mailbox 4.Remove the wire saddle (4). (A). 5.Plug the connector (5) of the mailbox (A) into the connector (6) of the machine body. 6.Install the wire saddle (4) in the position as shown in the figure. 7.Reinstall the rear cover (3) of the mailbox (A).
  • Page 185 8.Install the left cover (Y) in place. 9.Using the two screws (102) removed in step 2 in the installation guide for the AK-736, install the right cover (Z). *While pressing the right cover(Z) downwards, fix the right cover(J). 8.Monter le couvercle gauche (Y) en position. 9.À...
  • Page 186 10.Fit the seven copy eject bins (D) to the ejection section of the mailbox (A) from the lowest bin to 11.Close the paper conveying unit(101). the highest. 12.Insert the power plug from the machine into Press both ends of each copy eject bin (D) to bend it a little, then fit the bin by inserting the front the outlet, turn the main power switch on, and rear pins (7) into the round holes (8) at the front and rear of the mailbox.

  • Page 187: Ph-7A/C/D (Punch Unit)

    PH-7A/C/D (Punch unit) Installation Guide...
  • Page 188 INSTALLATION GUIDE GUIDE D’INSTALLATION GUÍA DE INSTALACION INSTALLATIONSANLEITUNG GUIDA ALL’INSTALLAZIONE 安装手册 설치안내서 設置手順書 PH-7A/PH-7B/PH-7C/PH-7D...
  • Page 189 E. Spring............1 L. Large clamp (for DF-790) ......1 English M. Ferrite core ..........1 F. Punch PWB ..........1 Supplied parts G. Waste hole punch box ....... 1 Be sure to remove any tape and/or cushioning A. Punch guide..........1 H.
  • Page 190 2.Remove the 2 screws (3) and remove the Procedure Removing the cover (DF-770) Before installing the hole punch unit, make sure If installing on the DF-790, proceed to step 1 on upper rear cover (4). the MFP's main power switch is turned off and page 3.
  • Page 191 2.Remove the 3 screws (7) and remove the Removing the cover (DF-790) Installing the hole punch unit 1.Remove the screw (5) and remove the small upper rear cover (8). 3.Remove the screw (9) and pull the guide rear cover (6). (10) outwards.
  • Page 192 4.After using alcohol to clean the shaded portion (38) of the motor shown for adhering the film (J), adhere the film. 4.Après avoir utilisé de l'alcool pour nettoyer la partie du moteur hachurée (38) sur laquelle le film (J) est apposé, coller ce film. 4.Después de utilizar alcohol para limpiar la parte sombreada (38) del motor mostrada en la ilustración para pegar la película (J), pegue la película.
  • Page 193 5.Install the punch guide (A) so that the leading edge of the guide (11) is below the document fin- 6.Insert the hole punch unit (B) into the docu- isher frame (12). ment finisher. 5.Monter le guide de la perforatrice (A) de sorte que le bord d'attaque du guide (11) se trouve sous 6.Insérer la perforatrice (B) dans le retoucheur le bâti du retoucheur de document (12).
  • Page 194 7.Raise the hole punch unit (B) slightly and fit the hook (13) on the motor unit (C) into the groove 8.Secure the motor unit (C) with the 2 screws (14) in the document finisher. At the same time, insert the rod (15) on the motor unit (C) into the (H).
  • Page 195 9.Fit the stop ring (D) over the motor unit rod 10.Run the hole punch unit wire (17) through (15) and fit the spring (E) between the hole the motor unit edging (18). punch unit and motor unit. 11.Plug the wire from the hole punch unit motor into the connector on the motor unit (19).
  • Page 196 14.Plug the 6 hole punch unit wires into the con- Installing the punch PWB and waste hole punch box (DF-770) If installing on the DF-790, proceed to step 12 on page 12. nectors (25) on the punch PWB (F). 12.Fit the 2 hooks (20) in the punch PWB (F) into the cut (21) in the document finisher. At the same time, insert the projection (23) on the document finisher into the hole (22) in the punch PWB (F).
  • Page 197 15.Plug the 2 punch PWB wires into the con- 16.Install the small clamp (K) on the finisher, then pass and fasten the wires from the motor unit and nectors (27) on the DF main PWB (26). hole punch unit. 17.Attach the ferrite core (M) to the wire. 15.Raccorder les 2 câbles de la PWB de la per- 16.Monter le petit collier (K) sur le retoucheur puis faire passer les câbles du moteur et de la perfora- foratrice aux connecteurs (27) de la PWB...
  • Page 198 18.Replace the upper rear cover (4) and small 19.Open the upper front cover (28) and insert the waste hole punch box (G). rear cover (2). 18.Reposer le couvercle supérieur arrière (4) et 19.Ouvrir le couvercle supérieur avant (28) et insérer le bac de récupération de la perforatrice (G). le petit couvercle arrière (2).
  • Page 199 20.After cleaning each area with alcohol, adhere the following labels from the label sheet (J) at the 21.Close the upper front cover (28). locations shown in the illustration: B, C.. 20.Après avoir nettoyé chaque zone à l’alcool, apposer les étiquettes suivantes du feuillet 21.Fermer le couvercle supérieur avant (28).
  • Page 200 14.Plug the 6 hole punch unit wires into the con- Installing the punch PWB and waste hole punch box (DF-790) 12.Fit the 2 hooks (29) in the punch PWB (F) into the cut (30) in the document finisher. At the same nectors (34) on the punch PWB (F).
  • Page 201 15.Plug the 2 punch PWB wires into the con- 16.Install the small clamp (L) on the finisher, then pass and fasten the wires from the motor unit and nectors (36) on the DF main PWB (35). hole punch unit. 17.Attach the ferrite core (M) to the wire. 15.Raccorder les 2 câbles de la PWB de la per- 16.Installer le grand collier (L) sur le retoucheur puis faire passer les câbles du moteur et de la perfo- foratrice aux connecteurs (36) de la PWB...
  • Page 202 18.Replace the upper rear cover (8) and small 19.Open the upper front cover (37) and insert the waste hole punch box (G). rear cover (6). 18.Reposer le couvercle supérieur arrière (8) et 19.Ouvrir le couvercle supérieur avant (37) et insérer le bac de récupération de la perforatrice (G). le petit couvercle arrière (6).
  • Page 203 20.After cleaning each area with alcohol, adhere the following labels from the label sheet (J) at the locations shown in the illustration: A, C. 21.Close the upper front cover (37). 20.Après avoir nettoyé chaque zone à l’alcool, apposer les étiquettes suivantes du feuillet d’étiquettes (J) aux emplacements indiqués dans l’illustration : A, C.
  • Page 204 [Adjusting the hole punch position] Adjusting the hole punch entry registration 1.Connect the MFP power plug to the wall out- 1.Enter the maintenance mode U246, select Finisher and Punch Regist. let and turn the MFP main power switch on. 2.Adjust the values. 2.Make a test copy in punch mode.
  • Page 205 3.Press the Start key to confirm the setting value. Adjusting the hole punch position feed 1.Enter the maintenance mode U246, select Finisher and Punch Feed. <Reference value (c)> 2.Adjust the values. Metric specification: 13 mm; Inch specification: 9.5 mm If the punch hole position is closer to the edge than the reference value (c): Increase the setting value.
  • Page 206 3.Press the Start key to confirm the setting value. Centering the hole punch position 1.Enter the maintenance mode U246, select Finisher and Punch Width. <Reference value> 2.Adjust the values. Metric specification: d = 80 mm ± 0.5, e = 40 mm ± 2 If the punch hole is too close to the front of the machine: Decrease the Inch specification: d = 2.75 inch ±...
  • Page 207 NOTICE This accessory is for use only with the following Applicant's Listed Machine. Refer to the supplied guide to install the accessory in the field. Machine: DF-770, DF-790 AVIS Cet accessoire est utilisable uniquement avec le copieur figurant dans la liste du demandeur suivant. Se reporter au guide fourni pour installer l'accessoire dans le champ.

This manual is also suitable for:

Mt 730Ak 740Ph 7

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