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Olivetti DP-670 Service Manual

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DP-670 / DP-670(B)
SERVICE MANUAL
Code Y108671-9

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Summary of Contents for Olivetti DP-670

  • Page 1 Option Copier DP-670 / DP-670(B) SERVICE MANUAL Code Y108671-9...
  • Page 2 PUBLICATION ISSUED BY: Olivetti S.p.A. 77, Via Jervis - 10015 Ivrea (TO) Italy Copyright © 2010, Olivetti All rights reserved...
  • 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.
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  • Page 5: Safety Precautions

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

  • Page 7: Installation Precautions

    1.Installation Precautions WARNING • Do not use a power supply with a voltage other than that specified. Avoid multiple connections to one outlet: they may cause fire or electric shock. When using an extension cable, always check that it is adequate for the rated current....................•...
  • Page 8 2.Precautions for Maintenance WARNING • Always remove the power plug from the wall outlet before starting machine disassembly....• Always follow the procedures for maintenance described in the service manual and other related brochures............................• Under no circumstances attempt to bypass or disable safety features including safety mechanisms and protective circuits.
  • Page 9 • Do not remove the ozone filter, if any, from the copier except for routine replacement..... • Do not pull on the AC power cord or connector wires on high-voltage components when removing them; always hold the plug itself...................... •...
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  • Page 11: Table Of Contents

    (2) Adjusting the angle of trailing edge ....................1-5-7 1-6 Requirements on PWB Replacement 1-6-1 Upgrading the firmware (DP-670/models with color touch panel)............1-6-1 1-6-2 Upgrading the firmware (DP-670/models with monochrome touch panel) ..........1-6-2 1-6-3 Upgrading the firmware (DP-670(B)/models with color touch panel)............1-6-3 2-1 Mechanical construction 2-1-1 Mechanical construction .........................2-1-1...
  • Page 12 3K5-2 2-2 Electrical Parts Layout 2-2-1 Electrical parts layout..........................2-2-1 (1) PWBs ..............................2-2-1 (2) Switches and sensors ........................2-2-2 (3) Motors ...............................2-2-3 (4) Solenoids............................2-2-4 2-3 Operation of the PWBs 2-3-1 DP main PWB ............................2-3-1 2-4 Appendixes List of maintenance parts........................2-4-1 Periodic maintenance procedures ......................2-4-2 Wiring diagram............................2-4-4...

  • Page 13: Specifications

    3K5-1 1-1 Specifications 1-1-1 Specifications Type ..........Machine mounted type duplex sheet-through document feeder Original feed method ...... Automatic feed Original weight ........ Single-sided original mode: 45 to 160 g/m Double-sided original mode: 50 to 120 g/m Original type........Sheet originals Original size ........

  • Page 14: Parts Names

    1-1-2 Parts names Figure 1-1-2 Original table Original width guides Original eject table Document processor top cover Original placement indicator Original stopper Cleaning cloth compartment 1-1-2 Service Manual Y108671-9...

  • Page 15: Machine Cross Section

    1-1-3 Machine cross section Original path Figure 1-1-3 Machine cross section Original feed section Original conveying section Original switchback section 1-1-3 Y108671-9 Service Manual...
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  • Page 17: Installation Environment

    3K5-1 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 photo-conductor 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 18: Unpacking

    1-2-2 Unpacking (1) Unpacking Figure 1-2-1 Unpacking Document processor 10. Cloth 19. Installation guide Outer case 11. Tray spacer 20. Caution label Inner case 12. Plastic bag 21. Caution label Rear upper pad 13. Original mat 22. Operation label Rear lower pad 14.

  • Page 19: Removing The Tapes And The Spacer

    (2) Removing the tapes and the spacer Procedure 1. Remove two tapes. Tape Tape Figure 1-2-2 2. Open the document processor top cover. Document processor top cover 3. Raise the DP feed pulley unit. Plastic bag Original table 4. Open the spacer. DP feed pulley unit 5.
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  • Page 21: Maintenance Mode

    3K5-2 1-3 Maintenance Mode 1-3-1 Maintenance mode (DP-670/models with color touch panel) The machine is equipped with a maintenance function which can be used to maintain and service the machine. (1) Executing a maintenance item Start Press the status/Job cancel key.

  • Page 22: Maintenance Mode Item List

    3K5-1 (2) Maintenance mode item list Item Initial Section Content of maintenance item setting* General U019 Displaying the ROM version Optical U068 Adjusting the scanning position for originals from the DP U070 Adjusting the DP magnification U071 Adjusting the DP scanning timing 0/0/0/0/0/0/0/0 U072 Adjusting the DP center line...

  • Page 23: Contents Of Maintenance Mode Items

    (3) Contents of maintenance mode items Maintenance Description item No. Displaying the ROM version U019 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 24 Maintenance Description item No. Adjusting the scanning position for originals from the DP U068 Description Adjusts the position for scanning originals from the DP. Performs the test copy at the four scanning positions after adjusting. Purpose Used when the image fogging occurs because the scanning position is not proper when the DP is used. Run U071 to adjust the timing of DP leading edge when the scanning position is changed.
  • Page 25 3K5-1 Maintenance Description item No. Adjusting the DP magnification U070 Description Adjusts the DP original scanning speed. Purpose Make the adjustment if the magnification is incorrect in the main scanning direction or auxiliary scanning direction when the DP is used. Method 1.
  • Page 26 3K5-1 Maintenance Description item No. Adjusting the DP scanning timing U071 Description Adjusts the DP original scanning timing. Purpose Make the adjustment if there is a regular error between the leading or trailing edges of the original and the copy image when the DP is used. Method 1.
  • Page 27 Maintenance Description item No. Adjustment: trailing edge registration U071 1. Press the system menu key. 2. Place an original on the DP and press the start key to make a test copy. 3. Press the system menu key. 4. Change the setting value using the +/- or numeric keys. For copy example 1, increase the value.
  • Page 28 Maintenance Description item No. Adjusting the DP center line U072 Description Adjusts the scanning start position for the DP original. Purpose Make the adjustment if there is a regular error between the centers of the original and the copy image when the DP is used.
  • Page 29 3K5-2 Maintenance Description item No. Adjusting the DP input light luminosity U074 Description Sets the luminosity correction for scanning originals from the DP. Purpose Used if the exposure amount differs significantly between when scanning an original on the platen and when scanning an original from the DP.
  • Page 30 Maintenance Description item No. Checking DP operation U203 Description Simulates the original conveying operation separately in the DP. Purpose To check the DP operation. Method 1. Press the start key. 2. Place an original in the DP if running this simulation with paper. 3.
  • Page 31 Maintenance Description item No. Checking the DP switches U244 Description Displays the status of the respective switches in the DP. Purpose To check if respective switches in the DP operate correctly. Method 1. Press the start key. 2. Turn the respective switches on and off manually to check the status. When a switch is detected to be in the ON position, the display for that switch will be highlighted.
  • Page 32 Maintenance Description item No. Adjusting margins for scanning an original from the DP U404 Description Adjusts margins for scanning the original from the DP. Purpose Make the adjustment if margins are incorrect when the DP is used. Caution Before making this adjustment, ensure that the following adjustments have been made in maintenance mode. U402 U403 (See the service manual...
  • Page 33 Maintenance Description item No. Adjusting the scanner automatically U411 Description Uses a specified original and automatically adjusts the following items in the scanner and the DP scanning sections. Purpose To perform automatic adjustment of various items in the scanner and the DP scanning sections. To adjust scanner automatically when initializing the machine using the maintenance item U020 or U022.
  • Page 34 Maintenance Description item No. Method: DP U411 1. Select [DP]. 2. Set a specified original (P/N: AVGR11211F) in the DP. Cut the trailing edge of the original. 128 1 mm 60 1 mm Cut with the edge of black belt. Figure 1-3-6 3.
  • Page 35 Maintenance Description item No. Error Codes U411 Codes Description ERROR 01 Black band detection error (scanner leading edge registration) ERROR 02 Black band detection error (scanner center line) ERROR 03 Black band detection error (scanner main scanning direction magnification) ERROR 04 Black band is not detected (scanner leading edge registration) ERROR 05 Black band is not detected (scanner center line)
  • Page 36 Maintenance Description item No. Checking/clearing counts by optional devices U905 Description Displays or clears the counts of DP or finisher. Purpose To check the use of DP and finisher. Also to clear the counts after replacing consumable parts. Method 1. Press the start key. 2.

  • Page 37: Maintenance Mode (Dp-670/Models With Monochrome Touch Panel)

    3K5-2 1-3-2 Maintenance mode (DP-670/models with monochrome touch panel) 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.

  • Page 38: Maintenance Mode Item List

    3K5-1 (2) Maintenance mode item list Item Initial Section Content of maintenance item setting* General U019 Displaying the ROM version Optical U068 Adjusting the scanning position for originals from the DP U070 Adjusting the DP magnification U071 Adjusting the DP scanning timing 0/0/0/0 U072 Adjusting the DP center line...

  • Page 39: Contents Of Maintenance Mode Items

    (3) Contents of maintenance mode items Maintenance Description item No. Displaying the ROM version U019 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 40 Maintenance Description item No. Adjusting the scanning position for originals from the DP U068 Description Adjusts the position for scanning originals from the DP. Performs the test copy at the four scanning positions after adjusting. Purpose Used when the image fogging occurs because the scanning position is not proper when the DP is used. Run U071 to adjust the timing of DP leading edge when the scanning position is changed.
  • Page 41 3K5-1 Maintenance Description item No. Adjusting the DP magnification U070 Description Adjusts the DP original scanning speed. Purpose Make the adjustment if the magnification is incorrect in the auxiliary scanning direction when the DP is used. Method 1. Press the start key. 2.
  • Page 42 3K5-1 Maintenance Description item No. Adjusting the DP scanning timing U071 Description Adjusts the DP original scanning timing. Purpose Make the adjustment if there is a regular error between the leading or trailing edges of the original and the copy image when the DP is used. Method 1.
  • Page 43 Maintenance Description item No. Adjustment: Trailing edge registration U071 1. Press the interrupt key. 2. Place an original on the DP and press the start key to make a test copy. 3. Press the interrupt key. 4. Change the setting value using the cursor up/down keys. For copy example 1, increase the value.
  • Page 44 3K5-1 Maintenance Description item No. Adjusting the DP center line U072 Description Adjusts the scanning start position for the DP original. Purpose Make the adjustment if there is a regular error between the centers of the original and the copy image when the DP is used.
  • Page 45 3K5-2 Maintenance Description item No. Adjusting the DP input light luminosity U074 Description Sets the luminosity correction for scanning originals from the DP. Purpose Used if the exposure amount differs significantly between when scanning an original on the platen and when scanning an original from the DP.
  • Page 46 Maintenance Description item No. Checking DP operation U203 Description Simulates the original conveying operation separately in the DP. Purpose To check the DP operation. Method 1. Press the start key. 2. Place an original in the DP if running this simulation with paper. 3.
  • Page 47 Maintenance Description item No. Checking the DP switches U244 Description Displays the status of the respective switches in the DP. Purpose To check if respective switches in the DP operate correctly. Method 1. Press the start key. 2. Turn the respective switches on and off manually to check the status. When a switch is detected to be in the ON position, the display for that switch will be highlighted.
  • Page 48 Maintenance Description item No. Adjusting margins for scanning an original from the DP U404 Description Adjusts margins for scanning the original from the DP. Purpose Make the adjustment if margins are incorrect when the DP is used. Caution Before making this adjustment, ensure that the following adjustments have been made in maintenance mode. U402 U403 (See the service manual...
  • Page 49 Maintenance Description item No. Adjusting the scanner automatically U411 Description Uses a specified original and automatically adjusts the following items in the scanner and the DP scanning sections. Purpose To perform automatic adjustment of various items in the scanner and the DP scanning sections. To adjust scanner automatically when initializing the machine using the maintenance item U020 or U022.
  • Page 50 Maintenance Description item No. U411 3. Press [INPUT]. Display Description INPUT Automatic adjustment of first page using the DP for: original size magnifica- tion/leading edge timing/center line 4. Press the start key. Auto adjustment starts. When automatic adjustment has normally completed, [RESULT OK 00] is displayed. If a problem occurs during auto adjustment, [ERROR XX] (XX is replaced by an error code) is displayed and opera- tion stops.
  • Page 51 Maintenance Description item No. Checking counts by optional devices U905 Description Displays the counts of DP or finisher. Purpose To check the use of DP and finisher. Method 1. Press the start key. 2. Select the device, the count of which is to be checked. The count of the selected device is displayed. Display Description Counts of optional DP...

  • Page 52: Maintenance Mode (Dp-670(B)/Models With Color Touch Panel)

    3K5-2 1-3-3 Maintenance mode (DP-670(B)/models with color touch panel) The machine is equipped with a maintenance function which can be used to maintain and service the machine. (1) Executing a maintenance item Start Press the status/Job cancel key. Enter “10871087” using Maintenance mode is entered.

  • Page 53: Maintenance Mode Item List

    3K5-2 (2) Maintenance mode item list Item Initial Section Content of maintenance item setting* General U019 Displaying the ROM version Optical U068 Adjusting the scanning position for originals from the DP U070 Adjusting the DP magnification U071 Adjusting the DP scanning timing 0/0/0/0 U072 Adjusting the DP center line...

  • Page 54: Contents Of Maintenance Mode Items

    3K5-2 (3) Contents of maintenance mode items Maintenance Description item No. Displaying the ROM version U019 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 55 3K5-2 Maintenance Description item No. Adjusting the scanning position for originals from the DP U068 Description Adjusts the position for scanning originals from the DP. Performs the test copy at the four scanning positions after adjusting. Purpose Used when the image fogging occurs because the scanning position is not proper when the DP is used. Run U071 to adjust the timing of DP leading edge when the scanning position is changed.
  • Page 56 3K5-2 Maintenance Description item No. Adjusting the DP magnification U070 Description Adjusts the DP original scanning speed. Purpose Make the adjustment if the magnification is incorrect in the auxiliary scanning direction when the DP is used. Method 1. Press the start key. 2.
  • Page 57 3K5-2 Maintenance Description item No. Adjusting the DP scanning timing U071 Description Adjusts the DP original scanning timing. Purpose Make the adjustment if there is a regular error between the leading or trailing edges of the original and the copy image when the DP is used. Method 1.
  • Page 58 3K5-2 Maintenance Description item No. Adjustment: Trailing edge registration U071 1. Press the system menu key. 2. Place an original on the DP and press the start key to make a test copy. 3. Press the system menu key. 4. Change the setting value using the +/- or numeric keys. For copy example 1, increase the value.
  • Page 59 3K5-2 Maintenance Description item No. Adjusting the DP center line U072 Description Adjusts the scanning start position for the DP original. Purpose Make the adjustment if there is a regular error between the centers of the original and the copy image when the DP is used.
  • Page 60 3K5-2 Maintenance Description item No. Adjusting the DP input light luminosity U074 Description Sets the luminosity correction for scanning originals from the DP. Purpose Modify the setting only if a spotted background appears when a bluish original is scanned from the DP. Setting 1.
  • Page 61 3K5-2 Maintenance Description item No. Checking DP operation U203 Description Simulates the original conveying operation separately in the DP. Purpose To check the DP operation. Method 1. Press the start key. 2. Place an original in the DP if running this simulation with paper. 3.
  • Page 62 3K5-2 Maintenance Description item No. Checking the DP switches U244 Description Displays the status of the respective switches in the DP. Purpose To check if respective switches in the DP operate correctly. Method 1. Press the start key. 2. Turn the respective switches on and off manually to check the status. If the on-status of a switch is detected, the corresponding switch is displayed in reverse.
  • Page 63 3K5-2 Maintenance Description item No. Setting the black line cleaning indication U326 Description Sets whether to display the cleaning guidance when detecting the black line. Purpose Displays the cleaning guidance in order to make the call for service with the black line decrease by the rubbish on the contact glass when scanning from the DP.
  • Page 64 3K5-2 Maintenance Description item No. Adjusting margins for scanning an original from the DP U404 Description Adjusts margins for scanning the original from the DP. Purpose Make the adjustment if margins are incorrect when the DP is used. Caution Before making this adjustment, ensure that the following adjustments have been made in maintenance mode. U402 U403 (See the service manual...
  • Page 65 3K5-2 Maintenance Description item No. Adjusting the scanner automatically U411 Description Uses a specified original and automatically adjusts the following items in the scanner and the DP scanning sections. Purpose To perform automatic adjustment of various items in the scanner and the DP scanning sections. Method 1.
  • Page 66 3K5-2 Maintenance Description item No. U411 3. Press [INPUT]. Display Description INPUT Automatic adjustment of first page using the DP for: original size mag- nification/leading edge timing/center line. 4. Press the start key. Auto adjustment starts. When automatic adjustment has normally completed, [Complete] is displayed. If a problem occurs during auto adjustment, [ERROR XX] (XX is replaced by an error code) is displayed and operation stops.
  • Page 67 3K5-2 Maintenance Description item No. Checking/clearing counts by optional devices U905 Description Displays the counts of DP or finisher. Purpose To check the use of DP and finisher. Method 1. Press the start key. 2. Select the device, the count of which is to be checked. 3.
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  • Page 69: Original Misfeed Detection

    1-4 Troubleshooting 1-4-1 Original misfeed detection (1) Original misfeed indication When an original jams, the machine immediately stops operation and a message is shown on the machine operation panel. To remove the jammed original, open the document processor top cover. To reset the original misfeed detection, open and close the document processor top cover.
  • Page 70 Section Jam code Conditions Specified time The DP timing switch (DPTSW) does not turn on within spec- 1468 pulses No original feed ified time during the first sheet feeding (Retry 5 times). The DP timing switch (DPTSW) does not turn on within spec- 1468 pulses ified time during the second sheet feeding (Retry 5 times).

  • Page 71: Paper Misfeeds

    (3) Paper misfeeds Problem Causes/check procedures Corrective measures Defective DP timing switch. Run maintenance item U244 and turn the DP timing switch on and An original jams in off manually. Replace the switch if indication of the corresponding DP is indicated dur- switch on the touch panel is not displayed in reverse.

  • Page 72: Self-Diagnosis

    C followed by a number, indicating the nature of the problem. A message is also displayed requesting the user to call for service. After removing the problem, the self-diagnostic function can be reset by turning the main power switch off and back on. (2) Self diagnostic codes (DP-670) Remarks Code...

  • Page 73: Electric Problems

    1-4-3 Electric problems Troubleshooting to each failure must be in the order of the numbered symptoms. Problem Causes Check procedures/corrective measures 1. Poor contact in the con- Reinsert the connector. Also check for continuity within the con- The original feed nector terminals.

  • Page 74: Mechanical Problems

    1-4-4 Mechanical problems Problem Causes/check procedures Corrective measures The surfaces of the DP forwarding pulley, DP Check and clean them with isopropyl alcohol No primary original feed. feed pulley or DP separation pad are dirty if they are dirty. with paper powder. Check if the DP forwarding pulley or the DP If so, replace (see page 1-5-2).

  • Page 75: Assembly And Disassembly

    3K5-2 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. Turning off the main power switch before pressing the Power key to off may cause damage to the equipped hard disk.

  • Page 76: Original Feed Section

    1-5-2 Original feed section (1) Detaching and refitting the DP forwarding pulley and DP feed pulley Follow the procedure below to clean or replace the DP forwarding pulley or DP feed pulley. Procedure Removing the DP forwarding pulley 1. Open the document processor top cover. Document processor 2.
  • Page 77 Removing the DP feed pulley 4. Remove the stop ring and two original feed guides of the DP feed pulley shaft. Groove When mounting the original feed guide, fit DP feed the projection of the original feed guide into pulley shaft the groove of the DP feed pulley shaft.
  • Page 78 6. Remove two stop rings and then remove DP feed pulley shaft from the DP feed pulley DP feed pulley unit. 7. Remove DP feed pulley from the DP feed DP feed pulley shaft pulley shaft. 8. Clean or replace the DP forwarding pulley and the DP feed pulley.

  • Page 79: Detaching And Refitting The Dp Separation Pad

    (2) Detaching and refitting the DP separation pad Follow the procedure below to clean or replace the DP separation pad. Procedure 1. Remove the DP feed pulley unit. (see page DP separation pad 1-5-2) 2. Push the inserted parts of the DP separation pad and then remove the DP separation pad.

  • Page 80: Image Adjustment

    3K5-1 1-5-3 Image adjustment (1) Adjusting the angle of leading edge Perform the following adjustment if the leading edge of the copy image is laterally skewed. Procedure 3 mm/4 mm 3 mm/4 mm 1. Place an original on the DP and press the start key to make a test copy.

  • Page 81: Adjusting The Angle Of Trailing Edge

    (2) Adjusting the angle of trailing edge Perform the following adjustment if the trailing edge of the copy image is laterally skewed. Procedure 1. Place an original on the DP and press the start key to make a test copy. 2.
  • Page 82 3K5-1 5. Adjust the height of DP. 1) Loosen the nut. 2) For copy example 1: Loosen the adjusting screw ( For copy example 2: Tighten the adjusting screw ( 3) Tighten the nut. 6. Refit the DP rear cover. 3 mm/4 mm 3 mm/4 mm Original...

  • Page 83: Upgrading The Firmware (Dp-670/Models With Color Touch Panel)

    3K5-2 1-6 Requirements on PWB Replacement 1-6-1 Upgrading the firmware (DP-670/models with color touch panel) Follow the procedure below to upgrade the firmware. Firmware upgrading requires the following tools: Compact Flash (Products manufactured by SANDISK are recommended.) or USB memory NOTE When writing data to a new Compact Flash from a computer, be sure to format it in advance.

  • Page 84: Upgrading The Firmware (Dp-670/Models With Monochrome Touch Panel)

    3K5-2 1-6-2 Upgrading the firmware (DP-670/models with monochrome touch panel) Follow the procedure below to upgrade the firmware. Firmware upgrading requires the following tools: Compact Flash (Products manufactured by SANDISK are recommended.) NOTE When writing data to a new Compact Flash from a computer, be sure to format it in advance.

  • Page 85: Upgrading The Firmware (Dp-670(B)/Models With Color Touch Panel)

    3K5-2 1-6-3 Upgrading the firmware (DP-670(B)/models with color touch panel) Follow the procedure below to upgrade the firmware. Firmware upgrading requires the following tools: USB memory Procedure 1. Press the power key on the operation panel to off. Make sure that the power indicator and the memory indicator are off before turning off the main power switch.
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  • Page 87: Mechanical Construction

    2-1 Mechanical construction 2-1-1 Mechanical construction The DP consists of the original feed section, original conveying section and original switchback section. The original feed section conveys an original set on the original table to the original conveying section in synchronization with original scanning of the scanner on the machine.
  • Page 88 DPMPWB YC7-2,3 B,A,_B,_A YC4-7,9,10,12 SBPSOL B,A,_B,_A YC3-1,3,4,6 OSBM B,A,_B,_A YC4-1,3,4,6 OSBSW OSSW DPTSW YC6-2 SBFSSOL YC10-2 YC7-5 YC9-2 Figure 2-1-2 2-1-2 Service Manual Y108671-9...

  • Page 89: Operation Of Original Switchback

    (1) Operation of original switchback In the double-sided original mode, after the first side of an original is scanned, the switchback feedshift guide is activated to switch the conveying path to the switchback tray side and the original is fed to the switchback tray. Then, the original is reversed by the reverse rotation of the original switchback motor (OSBM) and conveyed again to the original conveying section.
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  • Page 91: Electrical Parts Layout

    2-2 Electrical Parts Layout 2-2-1 Electrical parts layout (1) PWBs Machine front Machine inside Machine rear Figure 2-2-1 PWBs DP main PWB (DPMPWB) ......Controls electrical components of the DP. Original set LED PWB (OSLEDPWB)..Indicates presence of originals on the DP or an original jam. 2-2-1 Y108671-9 Service Manual...

  • Page 92: Switches And Sensors

    (2) Switches and sensors Machine front Machine inside Machine rear Figure 2-2-2 Switches and sensors DP interlock switch (DPILSW) ..... Breaks the safety circuit when the document processor top cover is opened; resets original misfeed detection. Original set switch (OSSW) ......Detects the presence of an original. DP timing switch (DPTSW) ......

  • Page 93: Motors

    (3) Motors Machine front Machine inside Machine rear Figure 2-2-3 Motors Original feed motor (OFM) ......Drives the original feed section. Original conveying motor (OCM) ....Drives the original conveying section. Original switchback motor (OSBM)....Drives the original switchback section. DP cooling fan motor (DPCFM) ....

  • Page 94: Solenoids

    (4) Solenoids Machine front Machine inside Machine rear Figure 2-2-4 Solenoids Switchback feedshift solenoid (SBFSSOL) .. Operates the switchback feedshift guide. Switchback pressure solenoid (SBPSOL)..Operates the switchback pulley. 2-2-4 Service Manual Y108671-9...

  • Page 95: Dp Main Pwb

    2-3 Operation of the PWBs 2-3-1 DP main PWB OSBM R24 V DPILSW Cover open detection 24 V SBPSOL Motor Motor Motor driver driver driver SBFSSOL DPCFM Machine EEPROM OSBSW DPTSW ORGVSYNC,SCLK, SDO,SDI,RDY,SEL OSSW Buffer OSWSW OSLSW DPMPWB DPOCSW OSLEDPWB DP main PWB block diagram Figure 2-3-1 2-3-1...
  • Page 96 YC12 Figure 2-3-2 DP main PWB silk-screen diagram 2-3-2 Service Manual Y108671-9...
  • Page 97 Connector Pin No. Signal Voltage Description Ground Connected 5 V DC 5 V DC supply to the Ground machine. 24 V DC 24 V DC supply 0/5 V DC (pulse) Serial communication data signal Connected 0/5 V DC (pulse) Serial communication data signal to the SCLK 0/5 V DC (pulse)
  • Page 98 Connector Pin No. Signal Voltage Description 24 V DC 24 V DC supply Connected 0/24 V DC SBPSOL (ACT): On/Offd to the 0/24 V DC SBPSOL (RET): On/Off switchback 24 V DC 24 V DC supply presser solenoid 0/24 V DC SBFSSOL: On/Off and switch- back feed-...

  • Page 99: List Of Maintenance Parts

    2-4 Appendixes List of maintenance parts Maintenance part name Alternative Fig. Ref. Part No. part No. Name used in service man- Name used in parts list DP forwarding pulley PULLEY,LEADING FEED ADF AVGR00737E DP feed pulley PULLEY PAPER FEED AVGR00735W DP separation pad PAD SEPARATION AVGR08552E...

  • Page 100: Periodic Maintenance Procedures

    3K5-1 Periodic maintenance procedures Maintenance Section Method Maintenance cycle Points and cautions Page part/location Test copy Perform at the maxi- Clean Every service. and test print mum copy size Maintenance Section Method Maintenance cycle Points and cautions Page part/location Original feed DP forwarding pulley Replace 150K...
  • Page 101 3K5-1 Maintenance Section Method Maintenance cycle Points and cautions Page part/location Covers Covers Clean Every service Clean with alcohol. Slit glass* Check or Every service Clean with alcohol or a dry clean cloth (do not clean with a wet cloth). *: Equipped with the machine.

  • Page 102: Wiring Diagram

    Wiring diagram 2-4-4 Service Manual Y108671-9...
  • Page 103 UPDATING STATUS DATE UPDATED PAGES PAGES CODE 06/2010 EDITION Y108671-9...

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