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Minolta EP5000 General, Mechanical/Electrical

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1156SBG000AA
EP5000/EP4000
GENERAL,
MECHANICAL/
ELECTRICAL

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  • Page 1 1156SBG000AA EP5000/EP4000 GENERAL, MECHANICAL/ ELECTRICAL...

  • Page 2: Table Of Contents

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1149SBG000BA CONTENTS GENERAL 1. SPECIFICATIONS ......... .
  • Page 3 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 CONTENTS 11-6. Lens Movement ........
  • Page 4 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 CONTENTS 20. VERTICAL PAPER TRANSPORT ......M-80 21.
  • Page 5 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1151SBG000D SAFETY INFORMATION ALL Areas CAUTION Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer’s instructions.

  • Page 6: General

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1151SBG000CA GENERAL...

  • Page 7: Specifications

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBG0100A SPECIFICATIONS TYPE : Console (with Stationary Platen) PHOTOCONDUCTOR : Organic Photoconductor COPYING SYSTEM : Electrostatic Dry Powdered Image Transfer to Plain Paper PAPER FEEDING : 3-Way Feeding 1st Drawer: Fixed Paper Size Tray SYSTEM...
  • Page 8 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 MULTIPLE COPIES : 1 to 999 WARMING-UP TIME : 240 sec. or less with room temperature of 20°C and rated power voltage FIRST COPY TIME : A4C or 8-1/2” 11”C: 3.7 sec. or less (in Full size Mode using 1st Drawer) CONTINUOUS COPY SPEED (copies/min.): Fed from 1st Drawer...
  • Page 9 Depth ..740 mm (27”) Height ... 960 mm (37-3/4”) (including Original Cover and Paper Feed Cabinet) WEIGHT : EP5000: (with Paper Feed Cabinet) 123.5kg (272-1/4lbs) EP4000: (with Paper Feed Cabinet) 122.0kg (269lbs) *excluding the Copy Tray, starter, toner, and paper...

  • Page 10: Precautions For Installation

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1149SBG0200A PRECAUTIONS FOR INSTALLATION J Installation Site To ensure safety and utmost performance of the copier, the copier should NOT be used in a place: F Where it will be subjected to extremely high or low temperature or humidity.

  • Page 11: Precautions For Use

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1149SBG0300A PRECAUTIONS FOR USE To ensure that the copier is used in an optimum condition, observe the following pre- cautions. F Never place a heavy object on the copier or subject the copier to shocks.

  • Page 12: Handling Of The Consumables

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1151SBG0400A HANDLING OF THE CONSUMABLES Before using any consumables, always read the label on its container carefully. F Use the right toner. The applicable copier model name is indicated on the Toner Bottle. F Paper can to be easily damaged by dampness. To prevent absorption of moisture, store paper, which has been removed from its wrapper but not loaded into the Drawer, in a sealed plastic bag in a cool, dark place.

  • Page 13: System Options

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBG0500A SYSTEM OPTIONS 1, 2 9,10 1138O525AA 1149M026AA 1134O005AA 1136O061AA 7, 8 Automatic Document Feeder AF-5 10-Bin Staple Sorter ST-104 Duplexing Document Feeder AFR-13 20-Bin Sorter S-208 Paper Feed Cabinet PF-105 10. 20-Bin Staple Sorter ST-211 Duplex Cabinet PF-5D 11.

  • Page 14: Mechanical/Electrical

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1151SBM000CA MECHANICAL/ ELECTRICAL...

  • Page 15: Cross-Sectional View

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM0100A CROSS-SECTIONAL VIEW 11 12 13 9 10 23 22 1134M001AB 1. 3rd Mirror 18. Manual Bypass Take-Up Roll 2. 2nd Mirror 19. Upper Vertical Transport Roller 3. 1st Mirror 20. Lower Vertical Transport Roller 4.

  • Page 16: Copy Process

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM0200A COPY PROCESS MULTI BYPASS TABLE 1. PC DRUM 8. PAPER SEPARATION 2. DRUM CHARGING 9. CLEANING 3. IMAGE ERASE 10. MAIN ERASE 4. EXPOSURE 11. TRANSPORT 5. DEVELOPING 12. FUSING 6. PAPER FEEDING 13. PAPER EXIT 7.
  • Page 17 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 6. Paper Feeding Paper is fed either automatically from the 1st or 2nd Drawer, or manually via the Multi Bypass Table or Manual Bypass Table. Paper separation is accomplished by the torque limiter fitted to the Paper Separator Roll.

  • Page 18: Drive System

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM0300A DRIVE SYSTEM The Main Drive Motor provides drive for the entire mechanism of the copier. To help mini- mize operating noise, timing belts and plastic gears are used in large numbers for the drive train parts.

  • Page 19: Sequential Explanation

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM0400A SEQUENTIAL EXPLANATION * Figure in ( ) are the timer values for EP5000. The power cord is plugged into the outlet. DC Power Supply Unit PU1 outputs DC24V for dehumidifying heating. Drum Dehumidifying Only when Drum Dehumidifying...
  • Page 20 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 À *30sec. if the Upper Fusing Roller surface tempera- ture is less than 165°C when S1 is turned ON and After the lapse of 30sec. 15sec. if the surface temperature is 165°C or high- or 15sec.
  • Page 21 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 E PWB-F outputs a LOW TRON signal to PWB-A. Synchronizing Roller Clutch CL2 Approx. 170msec. Separator Solenoid SL1 Approx. 150msec. F PWB-F outputs a LOW SCEND signal to PWB-A. Approx. 200msec. SCAN signal: ...The Scanner stops and starts a return motion.

  • Page 22: Watchdog (Cpu Overrun Monitor) Function

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1149SBM0500A WATCHDOG (CPU OVERRUN MONITOR) FUNCTION The watchdog function monitors whether any of the CPUs mounted in the copier overrun. If this function detects that a CPU overruns, the copier automatically resets the CPU, thereby restarting the logic circuit and mechanism.

  • Page 23: Watchdog Function Post-Processing

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1149SBM0502A 5-2. Watchdog Function Post-Processing The following processing is performed if a faulty condition is detected in the CPU. When the copier CPU is found faulty: D All CPUs including those of the options are reset and the system is restarted. If the CPU is found faulty during a copy cycle, the system attempts to feed all sheets of paper out of the copier before resetting.

  • Page 24: Malfunction Bypass Function

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM0600A MALFUNCTION BYPASS FUNCTION D When a malfunction occurs in the copier, the malfunction bypass function permits the copier to continue operating if that malfunction is one of the predefined candidates for an isolated malfunction and if it will not affect the current copying operation.

  • Page 25: Image Stabilization System

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1149SBM0700A IMAGE STABILIZATION SYSTEM z The following image stabilization controls are provided to ensure stabilized copy image. Item Quality Purpose Control Initial Setting Image density, To make initial settings of Sets the initial values for grid...

  • Page 26: Aidc Sensor

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1149SBM0701A 7-1. AlDC Sensor To provide image stabilization control, this copier has AlDC Sensor PWB-G fitted to the Cleaning Unit of the Imaging Unit. The sensor is used to detect the toner density and background level on the PC Drum.

  • Page 27: Image Stabilization Control Processing Timing

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM0702A 7-2. Image Stabilization Control Processing Timing D The image stabilization controls use the AIDC Sensor and AE Sensor as the basis, performing the following four major types of processing. The grid voltage, T/C, and optimum Exposure Lamp corrections are not, however, made if T/C falls outside the range of 4% to 8% at adjustment.

  • Page 28: Details Of Image Stabilization Controls

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM0703A 7-3. Details of Image Stabilization Controls À AIDC Sensor adjustment  Optimum Exposure Lamp voltage Á Grid voltage and T/C correction correction à AE Sensor gain adjustment D The following is the details of each image stabilization control.
  • Page 29 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 <Relation with Image Density> The “Image Exposure” function of “Tech. Rep. Choice” available from the Tech. Rep. mode enables fine-adjustments of the grid voltage (solid-black image density) to be made. It specifies how many volts the optimum grid voltage determined by the image stabilization control is to be increased or decreased.

  • Page 30: Pc Drum

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1149SBM0800A PC DRUM The photoconductive drum used in this copier is the organic photoconductor (OPC) type. The drum is made up of two distinct, semiconductive materials on an aluminum alloy base. The outer of the two layers is called the Charge Transport Layer (CTL), while the inner layer is called the Charge Generating Layer (CGL).

  • Page 31: Drum Charging

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM0900A DRUM CHARGING The PC Drum Charge Corona has a Scorotron grid to deposit a negative DC charge evenly across the surface of the PC Drum. The grid voltage (VG) applied to the grid mesh is selected between –550V (initial value, variable according to image stabilization...

  • Page 32: Ozone Filter

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM0901A 9-1. Ozone Filter D Ozone produced by the PC Drum Charge Corona is absorbed by the Ozone Filter lo- cated to the left of the PC Drum Charge Corona, as the air is drawn out of the copier by Ventilation Fan Motor M3.

  • Page 33: Image Erase Lamp

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1000A IMAGE ERASE LAMP To prevent a black band from occurring across both the leading and trailing edges, and along the front and rear edges, of the electrostatic latent image, 40 LEDs of Image Erase Lamp LA3 are turned ON before development takes place, thereby reducing to a minimum the unnecessary potential on the surface of the PC Drum.
  • Page 34 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 The 40 LEDs are grouped as follows and turned ON and OFF according to the paper size and zoom ratio. * In the full size mode, ON/OFF control is provided according to the paper size.
  • Page 35 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 LA2 LEDs ON/OFF Pattern Paper LED Group No. Zoom Ratio Width 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 31 (mm) f f f f f f f f f f f f f f f f f f f f f f f f f f...
  • Page 36 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 LA2 LEDs ON/OFF Pattern (Frame Erase, erase width 10mm) Paper LED Group No. Width (mm) X105 106 X 113 114 X 121 122 X 130 131 X 140 141 X 149 150 X 156 157 X 164...
  • Page 37 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1151T20MCB Control Signal WIRING DIAGRAM PWB-A PJ9A-1~6 Static ON/OFF Control M-23...

  • Page 38: Optical Section

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1100A OPTICAL SECTION As the Scanner is moved by Scanner Motor M2, the light from Exposure Lamp LA1 is reflected off the original and guided through the six Mirrors onto the surface of the PC Drum to form the electrostatic latent image.

  • Page 39: Exposure Lamp

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1101A 11-1. Exposure Lamp LA1 An AC halogen lamp is used as Exposure Lamp LA1. As the exposure level is adjusted on the control panel, the duty ratio of the pulse of AVR Remote from PWB-A changes to increase or decrease the LA1 voltage, thereby chang- ing the image density.

  • Page 40: Ae Sensor

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1102A 11-2. AE Sensor In the Auto Exposure Mode, the AE Sensor on AE Sensor Board PWB-H measures the intensity of the light reflected off the original, by sampling the black/white ratio of a 210-mm-wide area of the original being measured. According to this measurement, the Exposure Lamp voltage is automatically increased or decreased so that copies of consistent quality are produced.

  • Page 41: Lamp Reflectors

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1103A 11-3. Lamp Reflectors The Main Reflector ensures that light from Exposure Lamp LA1 exposes all areas of the original. The Auxiliary Reflector functions to reflect light onto the areas that LA1 cannot illuminate when an original that does not lie flat on the Original Glass (such as a book) is being used.

  • Page 42: Scanner And 2Nd/3Rd Mirror Carriage Movement

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1105A 11-5. Scanner and 2nd/3rd Mirror Carriage Movement The Scanner and 2nd/3rd Mirrors Carriage are moved by the Scanner Drive Cable fitted in the rear side of the copier. The Cable is driven by Scanner Motor M2.
  • Page 43 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 The Scanner starts the scan motion as a Scan signal is output from PWB-A. At the start of a scan motion and other heavy load conditions, Scanner Motor M2 requires a large amount of current. The Current 1 or 2 signal from PWB-F is selected accordingly to vary the amount of current supplied to M2.

  • Page 44: Lens Movement

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1106A 11-6. Lens Movement The Lens is moved by the Lens Drive Cable which is driven by Lens Motor M6 (stepping motor). The motor drive pulses sent from PWB-F drive M5 to move the Lens a given distance, corresponding to the zoom ratio, from the reference position determined by Lens Reference Position Sensor PC90.

  • Page 45: 4Th/5Th Mirrors Carriage Movement

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1107A 11-7. 4th/5th Mirrors Carriage Movement The 4th/5th Mirrors Carriage is moved to vary the conjugate distance for a particular zoom ratio by driving the rack-and-pinion gears at the front and rear ends of the mirror using Mirror Motor M7 (stepping motor).

  • Page 46: Original Glass Cooling Fan

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1108A 11-8. Original Glass Cooling Fan Optical Section Cooling Fan Motor M5 draws outside air into the copier and blows it against the Original Glass which is heated by lit Exposure Lamp LA1. The Filter at the intake port of the Fan prevents dust and dirt from entering the Optical Section of the copier.

  • Page 47: Identification Of Original Size Detecting Sensors

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1200A ORIGINAL SIZE DETECTING SENSORS The five sensors fixed in the optical section receive the light reflected off the original to determine the size of the original in the Auto Paper and Auto Size mode. (The image density of the original, or OD, that can be detected is 0.6 or less.)

  • Page 48: Sensor Locations

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1203A 12-3. Sensor Locations D The number and location of the Original Size Detecting Sensors vary depending on the marketing area as shown below. f: Standard F: Optional Sensors Areas (PC115) (PC119) (PC116) (PC117) (PC118)

  • Page 49: Size Detection

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1204A 12-4. Size Detection D Original Size Detecting Board UN2 reads the output data provided by the original size detecting sensors (PC115 to 119). By comparing the data from each sensor with the threshold level, it determines whether there is an original placed on the Original Glass.

  • Page 50: Original Size Detection Timing

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1205A 12-5. Original Size Detection Timing Master CPU on PWB-A affirms and resets the readings of the original size at the fol- lowing timings. D Takes size readings: When the Original Cover is raised to an angle of 15° or more (PC111 is deactivated).

  • Page 51: Development

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1300A DEVELOPING UNIT D This copier employs the New Micro-Toning developing system. The toner fed up to the Sleeve/Magnet Roller is conveyed onto the points of development as the Sleeve/Magnet Roller turns, thereby forming a visible, developed toner image of the original.

  • Page 52: Developing Unit Drive Mechanism

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1301A 13-1. Developing Unit Drive Mechanism D Drive is transmitted from the copier to the Developing Unit by Coupling Gears 1 and 2 when they mesh. D Coupling Gear 2 is spring-loaded. If the protruding part of Coupling Gear 1 makes...

  • Page 53: Magnet Roller

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1302A 13-2. Magnet Roller The Magnet Roller of the Sleeve/Magnet Roller of this copier has the following magnetic characteristics. Pole S3 before poles N1 and N2 at which development takes place provides a very weak magnetic force. If developer is compacted and clogs at the Doctor...

  • Page 54: Developing Bias

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1303A 13-3. Developing Bias A negative voltage (Vb = Developing Bias voltage) is applied to the Sleeve Roller to prevent a foggy background on the copy. The amount of toner attracted onto the surface of the PC Drum depends on how much lower the PC Drum surface potential (Vi) is than Vb (i.e., the potential difference).

  • Page 55: Doctor Blade

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1304A 13-4. Doctor Blade The Doctor Blade installed over the Sleeve/Magnet Roller regulates the height of the developer brush on the surface of the Sleeve Roller. The Blade is perpendicular to the direction of movement of the Magnet Roller to minimize variations in the distance between the Doctor Blade and Magnet Roller as the Magnet Roller moves.

  • Page 56: Atdc Sensor

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1305A 13-5. ATDC Sensor The copier compares the toner-to-carrier ratio (T/C) of the developer in the Developer Mixing Chamber detected by ATDC Sensor UN3 during a copy cycle with the reference ratio (6%) and, if it finds a lower ratio than the reference, replenishes the supply of toner.
  • Page 57 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 <Toner Replenishing Control by ATDC Sensor> The ATDC Sensor samples T/C for each copy and the copier compares the reading with the reference T/C (which is normally 6% but may 7% depending on the image stabilization control provided), energizing Sub Hopper Toner Replenishing Motor M9 as may be necessary to replenish toner in either of the following four modes.

  • Page 58: Sub Hopper Toner Replenishing Mechanism

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1306A 13-6. Sub Hopper Toner Replenishing Mechanism Sub Hopper Toner Replenishing Motor M9 is energized for the toner replenishing time which is calculated based on the ATDC Sensor output voltage (T/C ratio) and the size of the paper being fed through the copier.

  • Page 59: Sub Hopper Toner Empty Detection Control

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1307A 13-7. Sub Hopper Toner Empty Detection Control D A toner-empty condition in the Sub Hopper is detected by the magnet fitted to the Sub Hopper Toner Empty Detecting Lever and Sub Hopper Toner Empty Switch S106.

  • Page 60: Main Hopper Toner Replenishing Mechanism

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1308A 13-8. Main Hopper Toner Replenishing Mechanism D Toner is supplied from the Main Hopper to Sub Hopper as follows. When a toner– empty condition is detected in the Sub Hopper, it energizes Main Hopper Toner Re- plenishing Motor M8 to turn the Toner Bottle.

  • Page 61: Swing Out/In The Main Hopper

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1309A 13-9. Swinging Out/In the Main Hopper D To replace an empty Toner Bottle, the user first needs to swing the Toner Bottle Holder out 40° to the front. There is a flat spring installed on the Sub Hopper Holder, which causes the Toner Bottle Holder to click out of, and into, the locked position.

  • Page 62: Image Transfer And Paper Separation

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1400A IMAGE TRANSFER AND PAPER SEPARATION Image Transfer The Image Transfer Corona applies a DC negative corona emission to the underside of the paper thereby attracting the positively charged toner onto the surface of the paper to form a visible, developed image of the original.

  • Page 63: Ozone Filter

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1151T07MCD Control Signal WIRING DIAGRAM Image Transfer PWB-A PJ13A-2 Corona Paper Separator PWB-A PJ13A-3 Corona 1156SBM1401A 14-1. Ozone Filter Ozone produced by the Image Transfer/Paper Separator Coronas is absorbed by the Ozone Filter on the back of the copier. It is absorbed from the air being drawn out of the copier through the Duct under the Suction Deck by Suction Fan Motor M4.

  • Page 64: Paper Separator Fingers

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1500A PAPER SEPARATOR FINGERS After image transfer, an AC corona emission is applied to the underside of the paper by the Paper Separator Corona to neutralize the paper so that it can be easily separated from the PC Drum.
  • Page 65 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 <Paper Separator Finger Front-to-Back Moving Mechanism> The Paper Separator Fingers are also moved over a given distance to the front and rear so that they will contact wider areas of the surface of the PC Drum, thus preventing local- ized damage to the PC Drum surface.
  • Page 66 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 Control Signal Energized Deenergized WIRING DIAGRAM PWB-A PJ11A-6A M-52...

  • Page 67: Cleaning Unit

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1600A CLEANING UNIT The Cleaning Blade is pressed tightly against the surface of the PC Drum and scrapes off any toner remaining on the surface after image transfer and paper separation have been completed. PC Unit...

  • Page 68: Spent Toner Collection

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1601A 16-1. Spent Toner Collection (1) Toner Conveying/Collecting Mechanism D The toner which has been scraped off the surface of the PC Drum by the Cleaning Blade is conveyed by the Toner Conveying Coil towards the rear of the copier and falls into the Toner Collecting Box at the back of the copier through the pipe.
  • Page 69 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 (2) Detection of Toner Collecting Box in Position D Provided inside the Paper Feed Cabinet (in the copier for EP4000 for the areas oth- er than the U.S.A., Canada, and Europe) is a Toner Collecting Box Set Sensor. If no box is installed, the sensor causes a warning message to appear on the Touch Panel and the initiation of a new copy to be inhibited.

  • Page 70: Cleaning Bias (Optional

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1602A 16-2. Cleaning Bias (Optional) * Except the U.S.A., Canada, and Europe A Cleaning Bias Seal is optionally available that can be fitted to reduce damage to the PC Drum from acid paper. Toner Antispill Mylar...

  • Page 71: Main Erase Lamp

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1700A MAIN ERASE LAMP Main Erase Lamp LA2 is turned ON to neutralize any surface potential remaining on the surface of the PC Drum after cleaning. Main Erase Lamp LA2 Main Erase Lamp Board Filter...

  • Page 72: Paper Take-Up/Feed Section

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1800A PAPER TAKE-UP/FEED SECTION The copier is equipped with two paper drawers that slide out to the front of the copier. The 1st Drawer is a fixed paper size type, while the 2nd Drawer is a universal paper size type.

  • Page 73: Drawer-In-Position Detection

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1801A 18-1. Drawer-in-Position Detection D When the drawer is slid into the copier, Drawer Set Detecting Lever A is pushed in the direction of the arrow, which blocks the Drawer Set Sensor (PC61/PC62, goes LOW).

  • Page 74: Drawer Paper Lifting/Lowering Mechanism/Control

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1802A 18-2. Drawer Paper Lifting/Lowering Mechanism/Control (1) Metric Areas D The paper lifting mechanism raises the paper in the drawer so that the top of the paper stack is pressed against the Paper Take-Up Roll at a constant pressure.
  • Page 75 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 During Copying D As sheets of paper are used, the Paper Take-Up Roll lowers accordingly, unblocking the Lift-Up Sensor (PC 65/66 goes HIGH). 4425M006AA D The Lift-Up Motor (M13/14) starts running, rais- ing the paper stack until the Lift-Up Sensor (PC65/66) is blocked (output goes LOW).
  • Page 76 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 (2) Inch Areas <Paper Stack Lifting> D When the Paper Descent Key (UN5/6) is pressed* after the drawer has been slid into the copier, it energizes the Lift-Up Motor (M13/14) and the motor starts turning forward.
  • Page 77 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 D Paper lifting timings are as follows 1st/2nd Drawer Lift-Up When Drawer is Slid in Sensor PC65/66 4425M005AA 1136T63MCA During Copying 4425M006AA 1136T64MCA 4425M005AA Control Signal WIRING DIAGRAM PWB-A PJ24A-3 41-I PWB-A PJ24A-4 41-M Control Signal...
  • Page 78 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 <Paper Stack Lowering/Drawer Lock> Paper Stack Lowering D When the Paper Descent Key (UN5/6) is pressed or the drawer runs out of paper during a copy cycle, the Lift-Up Motor (M13/14) is energized to turn backward.

  • Page 79: Paper Level Detection

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1803A 18-3. Paper Level Detection D The amount of paper still available for use, or the paper level, of the 1st and 2nd Drawer is detected by 1st/2nd Drawer Lift-Up Motor Pulse Sensor PC67/68 and a pulse disk.

  • Page 80: Paper Empty Detection

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1804 18-4. Paper Empty Detection (1) Metric Areas D A paper empty condition in the 1st and 2nd Drawers is detected by 1st Drawer Pa- per Empty Sensor PC101 and 2nd Drawer Paper Empty Sensor PC102, respec- tively, installed in the paper take-up area of each drawer.
  • Page 81 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 (2) Inch Areas D A paper empty condition in the 1st and 2nd Drawers is detected by 1st Drawer Pa- per Empty Board PWB-E1 and 2nd Drawer Paper Empty Board PWB-E2, respec- tively, installed on the underside of the Paper Lifiting Plate.

  • Page 82: Universal Tray (2Nd Drawer) Paper Size Detection

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1805A 18-5. Universal Tray (2nd Drawer) Paper Size Detection D The length (feeding direction) and width (crosswise direction) of the paper are inde- pendently detected and the copier determines the paper size by combining the two separate detections made.
  • Page 83 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 D Paper Size Detecting Switches/Sensors Length FD Width CD PC72 1149M018AA PC73 1149M017AA D Details of Paper Size Detecting Switches/Sensors Operation and Detectable Pa- per Sizes Paper Size Detecting Switches/Sen- sors CD FD Inch Size...
  • Page 84 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 Control Signal Actuated Deactuated WIRING DIAGRAM PWB-A PJ26A-2 25-J PWB-A PJ26A-4 25-I PWB-A PJ26A-7 25–I PWB-A PJ26A-9 25-H Control Signal Blocked Unblocked WIRING DIAGRAM PC72 PWB-A PJ25A-2 25-K PC73 PWB-A PJ25A-5 25-J M-70...

  • Page 85: Paper Take-Up Mechanism

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1806 18-6. Paper Take-Up Mechanism (1) Paper Take-Up Mechanism D The paper take-up and feeding mechanism takes up paper from the drawer and feeds it to the Vertical Transport Roller. D The take-up mechanism is driven by 1st/2nd Drawer Paper Take-Up Motor M11/12.
  • Page 86 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 (2) Paper Separating Mechanism D The paper separating mechanism ensures that only the top sheet of paper is fed in by separating the second sheet of paper from the top one. D This is accomplished by the difference in friction coefficient between the first and second sheets of paper.

  • Page 87: Paper Take-Up Control

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 (3) Paper Pressure Releasing Mechanism D If the drawer is pulled out while the paper is between the Feed Roll and the Separa- tor Roll, the paper is left in the copier. Removal of the paper is difficult. With this copier, sliding out the drawer automatically disengages the paper and Paper Take- Up/Feed Roll.
  • Page 88 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1807A 18-7. Drawer Paper Take-Up Control (1) Paper Take-Up Motor Control D A stepping motor is used for the Paper Take-Up Motor (M11/12). Each motor is turned forward or backward by energizing its four internal coils using the pulse sig- nals output from Master Board PWB-A.
  • Page 89 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 (2) Paper Take-Up Retry Control D To minimize the occurrence of a paper misfeed due to a slippery Paper Take-Up Roll, the Paper Take-Up Motor (M11/12) is kept deenergized for a given period of time before it is energized again, if a sheet of paper fails to reach the Paper Take-Up Sensor (PC55/56) even after the lapse of a given period of time after the motor has first been energized (paper take-up retry control).

  • Page 90: Multi Bypass Table

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1900A MULTI BYPASS TABLE Construction The Multi Bypass Table fitted to the Right Door of the copier, is integrated into the copier. It is constructed as follows. Right Cover Lever Paper Empty Sensor Right Door Cover...

  • Page 91: Paper Take-Up Mechanism

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1901A 19-1. Paper Take-Up Mechanism The Paper Take-Up Rolls are normally in their raised (retracted) position so that they will not hamper proper loading of paper. When the Start Key is pressed, Manual Feed Paper Take-Up Solenoid SL4 is deenergized causing the Paper Take-Up Rolls to press the paper stack downward and take up a sheet of paper.

  • Page 92: Paper Separating Mechanism

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1151T12MCE Control Signal Energized Deenergized WIRING DIAGRAM PWB-A PJ15A-12 32-P PWB-A PJ15A-9 32-P PWB-A PJ15A-10 1156SBM1902A 19-2. Paper Separating Mechanism The paper separating mechanism ensures that only the top sheet of paper is fed in by separating the second sheet of paper from the top one. This is accomplished by the Torque Limiter fitted to the Separator Roll shaft which stops the Separator Roll when there is a change in friction between the Feed and Separator Rolls.

  • Page 93: Paper Empty Detection

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM1903A 19-3. Paper Empty Detection The Multi Bypass Table is equipped with Manual Feed Paper Empty Sensor PC51 which detects a sheet of paper at the manual bypass port. Manual Feed Paper Empty Sensor PC51...

  • Page 94: Vertical Paper Transport

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM2000A VERTICAL PAPER TRANSPORT The sheet of paper taken up by the Paper Take-Up Roll from the Drawer is fed along the Paper Guide to the Vertical Transport Rollers. The paper fed by the Vertical Transport Rollers reaches the Transport Rollers and is then fed up to the Synchronizing Rollers.

  • Page 95: Synchronizing Rollers

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM2100A SYNCHRONIZING ROLLERS D The Upper Synchronizing Roller is a metal roller covered with a polyvinyl chloride tub- ing. It is secured to the front and rear frames of the copier. D The Lower Synchronizing Roller, a rubber roller, is fitted to the Transport Assy. Pivot- ing about its rear end, the Lower Roller can be swung downward to facilitate clearing paper misfeeds.

  • Page 96: Synchronizing Roller Drive Mechanism

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM2101A 21-1. Synchronizing Roller Drive Mechanism D The Upper Synchronizing Roller receives drive from Main Drive Motor M1 via a gear train and timming belt. The Upper Roller drives the Lower one. Upper Synchronizing Roller...

  • Page 97: Synchronizing Roller Control

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM2103A 21-3. Synchronizing Roller Control The Synchronizing Rollers are started as Synchronizing Roller Clutch CL2 is energized upon reception of a signal from PWB-A. 1151T11MCD Control Signal Energized Deenergized WIRING DIAGRAM PWB-A PJ14A-4 Control Signal...

  • Page 98: Prevention Of Low Image Density On Copy

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM2104A 21-4. Prevention of Low Image Density on Copy During conditions of high humidity when the paper is damp, charges tend to flow from the Image Transfer Corona through the paper and guide plates to the ground.
  • Page 99 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 Flat Spring Connection Between varistor-and-resistor and guide plate Æ Between varistor-and-resistor and guide plate Á Between guide plates Á and à Between guide plates Á and À Between guide plates à and Å M-85...

  • Page 100: Paper Transport

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM2200A PAPER TRANSPORT D Suction Fan Motor M4 draws the paper onto the turning Suction Belts. It also pulls the paper down as it reaches the Pre-Fusing Guide Plate to ensure that the paper is smoothly fed into the Fusing Unit.

  • Page 101: Suction Belt Drive Mechanism

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM2201A 22-1. Suction Belt Drive Mechanism The Suction Belts are driven by Main Drive Motor M1 through a timing belt and gear train. Suction Belt Suction Belt Drive Roller Suction Drive Gear Timing Belt 1136M072AA...

  • Page 102: Fusing Unit

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM2300A FUSING UNIT The Upper Fusing Roller and Lower Fusing Roller together apply heat and pressure to the toner and paper to permanently fix the developed image to the paper. Drive for the Upper Fusing Roller is transmitted from the Main Drive Motor to the Upper Fusing Roller Drive Gear.

  • Page 103: Fusing Temperature Control

    The control temperature in the Energy Saving Mode is 155°C. With EP5000, the control temperature is 180°C in the Energy Saving Mode. Fusing Thermoswitch TS1, installed above the Upper Fusing Roller, cuts off the power to the Fusing Unit if the temperature of the Upper Fusing Roller becomes excessively high.

  • Page 104: Fusing Rollers Pressure Mechanism

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 <Fusing Temperature Control During Continuous Small-Size Paper Feeding> When a number of sheets of small-size paper are fed through the copier continuously, the temperature of the rear end of the Fusing Rollers tends to rise, resulting in a high- temperature offset occurring.

  • Page 105: Cleaning Roller

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM2303A 23-3. Oil Roller/Cleaning Roller The Cleaning Roller is pressed up against the Upper Fusing Roller, applying a coat of silicone oil to the surface of the roller. At the same time, it turns in the direction opposite that of the Upper Fusing Roller and, with its brush, removes toner and paper dust.

  • Page 106: Paper Separator Fingers

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM2304A 23-4. Paper Separator Fingers D Each of the two Fusing Rollers is provided with Paper Separator Fingers that strip the paper from the surface of the Rollers. z Upper Fusing Paper Separator Fingers D The Upper Fusing Paper Separator Fingers have been coated with teflon so that they will not be contaminated with toner.

  • Page 107: Fusing Section Cooling Fan

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM2305A 23-5. Fusing Section Cooling Fan Motor Fusing Section Cooling Fan Motor M15 prevents the temperature in the optical section from being raised inordinately by the heat of the Fusing Unit in the standby state.
  • Page 108 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM2400A EXIT UNIT Drive from the Fusing Unit is transmitted via a gear train to turn the 1st/2nd Paper Exit Rollers. Left Door Drive Gear Paper Exit Switch S53 Exit/Duplex Switching Exit/Duplex Plate Solenoid SL5...
  • Page 109 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM2401A 24-1. Left Upper Door Interlock Switch S23 D Left Upper Door Interlock Switch S23 fitted to the copier body detects the Left Upper Door when closed. The Exit Unit is fitted to the Left Upper Door.

  • Page 110: Dehumidifying Switch

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM2500A DEHUMIDIFYING SWITCH To prevent image transfer efficiency from being reduced due to damp paper in highly humid weather, Paper Dehumidifying Heater H3 (Optional) is installed on the base frame of the copier under the 2nd Drawer.

  • Page 111: Memory Backup

    Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBM2600A MEMORY BACKUP IC1 (RAM) of RAM Board PWB-R connected to Main Control Board PWB-A stores the setting/adjustment values set in the Tech. Rep. Modes as well as the counter counts. Backup Battery BAT1 is mounted on PWB-R to prevent the contents of memory from being lost when the power cord is unplugged or PWB-R removed from the copier.
  • Page 112 Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL 97.04.01 1156SBG000E Copyright 1997 MINOLTA Co., Ltd. Printed in Japan Use of this manual should be strictly supervised to avoid disclosure of confidential information. MINOLTA Co., Ltd. 1156-7991-11 97046000 Printed in Japan...
  • Page 113 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 1156SBD000AA EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT...
  • Page 114 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 1151SBD0000A u For the Utmost safety u Warning D For replacement parts, use the genuine parts with their part numbers specified in the parts manual. Use of a wrong part could cause an overload or dielectric breakdown resulting in an electric shock or fire.
  • Page 115 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Caution D A high voltage is being applied to the part marked with the symbol shown on the right. Touching it can cause an electric shock. Be sure to unplug the power cord when servicing this part or other parts near it.
  • Page 116 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 1156SBD000BA CONTENTS SERVICE INSTRUCTIONS 1-1. PRECAUTIONS FOR DISASSEMBLY/ADJUSTMENTS ..1-2. INSTRUCTIONS FOR HANDLING THE PWBs WITH MOS ICs .........
  • Page 117 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 CONTENTS 2-5. IMAGING UNIT .........
  • Page 118 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 CONTENTS (6) Cleaning of Fusing Front and Rear Thermistors TH1/2 ..D-58 (7) Cleaning of Fusing Thermoswitch TS1 ....
  • Page 119 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 CONTENTS 3-7. OTHER ADJUSTMENTS ....... .

  • Page 120: Service Instructions

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 1139SBD0100A SERVICE INSTRUCTIONS 1151SBD0101B 1-1. PRECAUTIONS FOR DISASSEMBLY/ADJUSTMENTS Observe the following precautions whenever servicing the copier. D Be sure to unplug the copier from the outlet before attempting to service the copier. D The basic rule is not to operate the copier anytime during disassembly.
  • Page 121 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 <List of Fuses Used> Fuse Holder F3 250V 15A Exposure Thermal Fuse Fuse Board TF1 110°C 10A PWB-L 250V 3A (4) Power Supply Board PWB-C 250V 3A (5) Power Supply Unit 1156D001CA Noise Filter Board...

  • Page 122: Instructions For Handling The Pwbs With Mos Ics

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 1139SBD0102A 1-2. INSTRUCTIONS FOR HANDLING THE PWBs WITH MOS ICs The following precautions must be observed when handling P.W. Boards with MOS (Metal Oxide Semiconductor) ICs. During Transportation/Storage: D During transportation or when in storage, new P.W. Boards must not be indiscriminately removed from their protective conductive bags.
  • Page 123 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 If, however, the surface is contaminated with fingerprints, clean it using the following procedure. 1. Place the PC Drum into one half of its container. 2. Gently wipe the residual toner off the surface of the PC Drum with a dry, Dust-Free Cotton Pad.
  • Page 124 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 1151SBD0104A 1-4. PARTS WHICH MUST NOT BE TOUCHED (1) Screws Purpose of Application of Red Paint Red paint is applied to the screws which cannot be readjusted, set, or reinstalled in the field. The basic rule is not to remove or loosen the screws to which red paint is applied. In addition, be advised that, if two or more screws are designated as those which must not be touched on a single part, only one representative screw may be marked with red paint.

  • Page 125: Disassembly/Reassembly

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 DISASSEMBLY/REASSEMBLY 2-1. DOORS, COVERS, AND EXTERIOR PARTS: IDENTIFICATION AND REMOVAL PROCEDURES 1156D002AA 1156D003AA...
  • Page 126 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Part Name Removal Procedure Swing down No. 1. ! Remove two Front Door hinge shafts. Front Door Remove one belt mounting screw inside the Front Door. Raise No. 12. ! Swing down No. 1. ! Open No. 8. ! Re- Control Panel move No.

  • Page 127: Removal Of Circuit Boards

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 2-2. REMOVAL OF CIRCUIT BOARDS D When removing a circuit board, refer to “PRECAUTIONS FOR HANDLING THE PWBs” contained in SWITCHES ON PWBs and follow the corresponding removal procedures given on the next page. D Replacement of a circuit board may call for readjustment or resetting of particular items.
  • Page 128 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Symbol Part Name Removal Procedure PWB-A Master Board Remove No. 16. Swing down No. 1. ! Remove the Circuit Board cover. PWB-B MSC Board Remove No. 16. ! Remove the Toner Pipe. PWB-C Power Supply Board <EP4000 Except U.S.A., Canada and Europe>...
  • Page 129 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 2-3. PAPER TAKE-UP/TRANSPORT SECTIONS (1) Removal of the Paper Take-Up Unit <Except 120V Areas> Remove the Right Door, Right Cover, and Rear Cover. Remove the 1st and 2nd Drawers. (For the removal of the 1st and 2nd Drawers, see p. D-17.) Remove two locking wiring saddles.
  • Page 130 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Remove three screws to free the Paper Take-Up Connec- tor Assy. 1156D007AA Remove two screws each to free 1st Drawer Paper Take- Up Motor M11 and 2nd Drawer paper Take-Up Motor M12. * For ease of understanding, the illustration shows where the connectors and Paper Take-Up Motors are removed.
  • Page 131 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 11. Pull the harness out to the front from the rear frame. 1134D009AA 12. Remove five screws and the Paper Take-Up Unit. 1156D009AA D-12...

  • Page 132: Separator Roll Assy

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (2) Removal of the Paper Take-Up Roll/Feed Roll Assy and Separator Roll Assy Remove the Right Door. Remove two screws and the Paper Guide Plate from each drawer. 1134D011AA Unhook the front and rear springs from the copier frame. Remove the Paper Separator Roll/Paper Guide Plate Assy by turning it about 90_ in the direction of the arrow.
  • Page 133 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Remove one screw and the Paper Separator Roll Assy Mounting Bracket from each drawer. (The illustration shows how the Paper Separator Roll Assy is removed from the 2nd Drawer.) 1156D011AA Disassemble the Paper Separator Roll Assy.
  • Page 134 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Remove two C-clips from each Paper Take-Up Roll/Feed Roll Assy. (The illustration is for the Paper Take-Up Roll/ Feed Roll Assy for the 2nd Drawer.) 1156D013AA Remove the bushing from the front end of each Paper Take-Up Roll/Feed Roll Assy.
  • Page 135 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 10. Disassemble the Paper Take-Up Roll/Feed Roll Assy. *Keep the lock pin for later use. 1156D017AA (3) Cleaning of the Paper Take-Up Roll, Feed Roll, and Separator Roll Remove each Paper Take-Up Roll/Feed Roll Assy.

  • Page 136: Rollers

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (4) Cleaning of the Vertical Transport Rollers Remove the Right Door, Right Cover, and Rear Cover. Using a soft cloth dampened with alcohol, wipe each roller clean of dirt. 1134D016AA (5) Removal of the Drawers *Though the following steps and illustrations are for the 1st Drawer, the same procedure applies also to the 2nd Drawer.
  • Page 137 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 <120V Areas> Turn ON Power Switch S1. Press the Paper Descent Key and then slide out the draw- 1156D023AA As with the metric areas, remove the right and left stop- pers. Remove one screw and the hookup connector cover.
  • Page 138 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (6) Removal of the Upper Synchronizing Roller Swing down the Front Door. Swing the Transport Section Release Lever down. Remove the Rear Cover. Unplug the bias terminal from High Voltage Unit HV1. Unplug CN1 of HV1.
  • Page 139 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 11. Remove the Upper Synchronizing Roller. 1156D028AA (7) Cleaning of the Upper and Lower Synchronizing Rollers Swing down the Front Door and slide out the IU. Using a brush or a soft cloth dampened with alcohol, clean the Upper Synchronizing Roller.
  • Page 140 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (9) Cleaning of the Paper Dust Remover Remove the Paper Dust Remover Assy. Using a brush, whisk dust off the Paper Dust Remover. 1136D095AA D-21...
  • Page 141 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (10) Removal of the Suction Unit Remove the 1st and 2nd Drawers. Swing down the Front Door and slide out the IU. Remove the Paper Dust Remover Assy. Remove the Fusing Unit. Remove the motor cover.
  • Page 142 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Swing down the Transport Section Release Lever. 10. Holding up the Suction Unit, remove the compression coil. 1156D032AA 11. Remove the Suction Unit by sliding it to the right. NOTE When removing and reinstalling the Suction Unit, use care not to bend the ground plate located on the right in the rear.
  • Page 143 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Remove three Suction Belts. 1136D104AA Remove the Suction Roller as shown on the left. 1136D105AA (12) Disassembly of the Multi Bypass Unit Open the Right Door. Remove two screws and the cover. Remove the harness from one locking wiring saddle.
  • Page 144 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Remove the compression coil. NOTE When reinstalling the compression coil, place it so that its close-coiled end faces the Separator Unit. Close-Coiled End 1136D107AA Remove one C-clip and the Separator Assy. 1136D108AA Remove one C-clip and the Separator Roll Assy.
  • Page 145 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 12. Remove two set screws and the electromagnetic spring clutch. 1156D037AA NOTES D When reinstalling the electromagnetic spring clutch, ori- ent the Paper Take-Up Roll shaft and the clutch as shown on the left. D The end of the clutch must be flush with or slightly re- cessed (up to 1 mm) from the end face of the Paper Take- Up Roll shaft.
  • Page 146 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 15. Snap off the C-clip and remove the Paper Take-Up Roll. 1139D113AA D Cleaning of the Manual Bypass Paper Take-Up Roll Using a soft cloth dampened with alcohol, clean the Paper- Take-Up Roll. 1136D117AA D Cleaning of the Manual Bypass Feed Roll Using a soft cloth dampened with alcohol, clean the Feed Roll.

  • Page 147: Optical Section

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 2-4. OPTICAL SECTION (1) Cleaning of the Original Glass Wipe clean the Original Glass with a soft cloth. NOTE The surface of the Original Glass is coated with conductive material. Do not use a wax-based detergent.
  • Page 148 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (4) Removal of the Scanner 1. Move the Scanner to the right side of the copier. Remove three screws to free the Scanner. NOTE Hold the Scanner at a point near the Scanner Shaft when moving it.
  • Page 149 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (6) Removal of the Thermal Fuse Unplug the Thermal Fuse connector. Remove the Thermal Fuse cord from three clamps. Remove one screw and Thermal Fuse cover. Remove two screws and the Thermal Fuse. 1156D046AA (7) Cleaning of the 1st, 2nd, and 3rd Mirrors Wipe clean the 1st Mirror with a soft cloth.
  • Page 150 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (8) Cleaning of the Lens and 4th and 5th Mirrors Remove the Original Glass. Remove two screws and the Optical Cover. Remove two screws and the Lens Cover. 1136D133AA Gently dust off the surface of the Lens using a soft cloth.
  • Page 151 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (9) Winding of the Lens Drive Cable Cable Drive Gear 1136D135AA Hold the Cable Drive Gear with the bead at the bottom. 1136D136AA Wind the longer length of the cable three and 1/2 turns clockwise around the Cable Drive Gear, working from the back to the front side.
  • Page 152 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Pass the longer length of the cable through the hole in the light blocking plate. Slide the Cable Drive Gear onto its shaft and insert a wrench into the hole (4-mm dia.) to position the gear.

  • Page 153: Removal Of Scanner Motor M2

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (10) Removal of Scanner Motor M2 Remove the Right Cover, Rear Cover, and Rear Upper Cover. Remove four screws to free PWB-F. 1156D048AA Unplug one connector. Then, remove the edge cover with a lock and the harness.
  • Page 154 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (11) Removal of the Scanner Drive Cable Remove the Original Cover. Remove the Right Cover, Rear Cover, Rear Upper Cover, and Upper Left Cover. Remove the Original Glass. Remove the Scanner. Remove Scanner Motor M2.
  • Page 155 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (12) Winding of the Scanner Drive Cable z Important When the Scanner Drive Cable has been wound: 1) Perform the “Focus-positioning of the Scanner and Mirrors Carriage.” 2) Slide the Scanner by hand to check for cable tension before turning the copier ON.
  • Page 156 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 10. Remove the Scanner Drive Cable from the pulleys. 11. Remove one screw to free the Original Cover Detecting Sensor Assy. 12. Remove four screws and the Scanner Drive Pulley mount- ing bracket. 13. Snap off one E-ring and remove the Scanner Drive Pulley.

  • Page 157: Imaging Unit

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 2-5. Imaging Unit (1) Removal of the Imaging Unit Swing down the Front Door. Swing the Transport Section Release Lever down. 1136D150AA Loosen two screws that secure the IU. Slide out the IU. 1156D055AA (2) Disassembly of the Imaging Unit Remove the PC Drum Charge Corona by moving it to the rear.
  • Page 158 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Remove three screws and the Main Hopper. 1136D155AA Unplug one connector and remove three screws and the Sub Hopper. 1156D058AA Remove two screws and the Developer Scattering Pre- vention Plate. NOTE Do not remove the Doctor Blade Assy, as a changed Db could result.
  • Page 159 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Remove two screws and the Cleaning Blade. 1136D172AA NOTE When reinstalling the Cleaning Blade, press the blade tightly up against the mounting bracket. 1136D173AA 10. Unplug one connector. 11. Remove three screws and the PC Drum Paper Separator Finger Holder Assy.
  • Page 160 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 12. Remove the PC Drum Paper Separator Fingers and AIDC Sensor Board PWB-G as shown below. Assy PWB-G Torsion Spring 1156D062AA * PC Drum Paper Separator Fingers At removal and reinstallation, use care not to damage the tip of the fingers.
  • Page 161 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (3) Replacement of the PC Drum Slide out the IU. Loosen one screw and remove the stopper. Remove and replace the PC Drum. NOTE When the PC Drum has been replaced, reset the count of “PC Drum”...
  • Page 162 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (8) Replacement of the Cleaning Blade Remove and replace the Cleaning Blade. 1136D172AA Remove the Toner Bottle from the IU. Insert a brush through the toner port and into the toner. 1138D321AA Apply toner to the entire surface of the new Cleaning Blade.
  • Page 163 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Install the PC Drum. NOTE Do not touch the surface of the PC Drum with bare hands. Hold onto both ends of the PC Drum when installing the drum. 1136U014AA Fit the PC Drum stopper and tighten the screw.
  • Page 164 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (9) Replacement of the Starter Dump the developer out of the Developing Unit. 1136D157AA Turning the Bucket Roller, pour fresh starter evenly into the chamber. NOTE Shake the packet of starter well before opening it.
  • Page 165 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (10) Cleaning of the AIDC Sensor Board Remove the PC Drum Paper Separator Fingers Assy. Using a brush or a soft cloth dampened with alcohol, clean the AIDC Sensor Board. 1156D067AA (11) Cleaning of the PC Drum Paper Separator Fingers Remove the PC Drum Paper Separator Fingers Assy.
  • Page 166 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (13) Removal of Main Erase Lamp LA3 Swing down the Front Door. Unplug one connector. Remove one screw and Main Erase Lamp LA3. 1156D068AA (14) Cleaning of the Main Erase Lamp Filter Swing down the Front Door.
  • Page 167 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Unplug one connector in the rear and remove Image Erase Lamp LA2. NOTE When Image Erase Lamp LA2 has been removed, make the “adjustment of edge erase.” (For the adjustment of edge erase, see p. D-93.)
  • Page 168 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 2–6. PC DRUM CHARGE CORONA AND IMAGE TRANSFER/PAPER SEPARATOR CORONAS (1) Removal of the PC Drum Charge Corona Move the PC Drum Charge Corona to the rear and pull it off. 1156D069AA (2) Cleaning of the PC Drum Charge Corona Housing Remove the IU.
  • Page 169 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (3) Cleaning of the PC Drum Charge Corona Grid Mesh Blow all foreign matter off the Grid with a blower brush. NOTE If the blower brush is not effective in cleaning the Grid, use a soft cloth dampened with alcohol to clean serious con- tamination.
  • Page 170 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Remove the Holder Covers at the front and rear. 1136D200AA Remove the corona wire, first at the spring end. Replace the corona wire with a new one. 1136D201AA (7) Cleaning and Replacement of the Paper Separator Corona Wire Remove four Paper Guides.
  • Page 171 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (9) Cleaning of the Lower Pre-Image Transfer Guide Plate Using a soft cloth dampened with alcohol, wipe clean the Lower Pre-Image Transfer Guide Plate. 1136D206AA D-52...
  • Page 172 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 2–7. FUSING UNIT (1) Removal of the Fusing Unit Open the Left Door. Swing down the Front Door. Remove one screw and the Fusing Unit. 1156D073AA (2) Disassembly of the Fusing Unit Remove two screws and the Front Cover.
  • Page 173 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Remove one screw and the Heater Lamp cord in the rear. Remove the Heater Lamp cord from the locking edge cov- 1156D078AA Remove three screws and the rear lamp holder. 10. Remove the Heater Lamp cord from the wiring saddle.
  • Page 174 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 14. Remove the harness from the Harness Guide. 15. Unplug the connectors of the two Thermistors. 1156D082AA 16. Remove one screw, shoulder screw, and the Harness Guide. 17. Remove one screw and the Thermoswitch cord.
  • Page 175 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 21. Remove the two torsion springs. 22. Remove two shoulder screws and the Lower Exit Guide Assy. Lower Fusing Roller Shoulder Screw Rear Upper Fusing Roller Torsion Spring Torsion Spring Shoulder Screw Front Lower Exit Guide Assy...
  • Page 176 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 23. Loosen the screw that secures the spring bracket at the front and then unhook the spring at the top. Repeat the same step for the spring in the rear. NOTE When reinstalling the springs, alternately tighten the bracket mounting screws until the brackets completely contact the ends of the Lower Exit Guide Assy.

  • Page 177: Cleaning Of Fusing Front And Rear Thermistors Th1/2

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (3) Replacement and Cleaning of the Upper Fusing Paper Separator Fingers Remove the Upper Fusing Paper Separator Finger mount- ing bracket. Remove five springs. Slide out the shaft to remove the Upper Fusing Paper Sep- arator Fingers.

  • Page 178: Cleaning Of Fusing Thermoswitch Ts1

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (7) Cleaning of Fusing Thermoswitch TS1 Remove the Temperature Detector Assy. Using a soft cloth dampened with alcohol, wipe clean the thermoswitch. 1156D094AA (8) Replacement and Cleaning of the Cleaning Roller Remove two screws and the Upper Cover.
  • Page 179 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (10) Replacement and Cleaning of the Lower Fusing Roller Remove the Lower Fusing Roller. Replace the Lower Fusing Roller with a new one. 1156D088AA Using a soft cloth dampened with alcohol or silicone oil, wipe clean the Lower Fusing Roller.
  • Page 180 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 1156SBD0208A 2-8. EXIT UNIT (1) Removal of the Exit/Duplex Switching Unit 1. Remove the Rear Cover. 2. Open the Left Door. 3. Remove the Upper Left Cover. Remove four screws to free the Sorter Connector Assy.

  • Page 181: Adjustment

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 1156SBD0300A ADJUSTMENT 1156SBD0301A 3-1. JIGS AND TOOLS USED z Important  à D When adjusting the positions of the Scanner and Mirrors Carriage, use jigs number Ä Å D When adjusting the gap between the Doctor Blade and Sleeve Roller, use jigs number Ä...

  • Page 182: Adjustment Requirements List

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 1156SBD0302A 3-2. ADJUSTMENT REQUIREMENTS LIST Ref. Adjustment Item Requirements Adjusting Point Page Kodak Gray Scale: no image Optimum exposure in the of the 1st step, faint image of Control panel D-73 Manual Exposure mode the 2nd step Crosswise zoom ratio, full ( 1.000) 200 ±...
  • Page 183 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 1151SBD0303A 3-3. ADJUSTMENT OF SWITCHES Microswitches The following microswitches are used in various parts of this copier. Blue (NC) Yellow (NO) Red (COM) Red (COM) 1136D007AA 1136D008AA Wiring for the NO Type Wiring for the NC Type NC (Normally-Closed) : Current flows between NC and COM when the actuator is open.

  • Page 184: Adjustment Of Front Door Interlock Switch S21

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Adjustment of Front Door Interlock Switch S21 Swing down the Front Door. Remove six screws and the Upper Left Cover. 1136D009AA Remove three screws and the cover. Loosen two screws that secure Front Door Interlock Switch.

  • Page 185: Iu Timing Belt

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 3-4. ADJUSTMENT OF BELT TENSION z Important D Make sure that all gears are in positive mesh with each other and the belts snugly fit in the pulley grooves. D Each belt should flex a little when finger-pressed down on the location indicated by the arrow.

  • Page 186: Accessing The Tech. Rep. Mode And Adjust Mode

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 3-5. ACCESSING THE TECH. REP. MODE AND ADJUST MODE z Accessing the Tech. Rep. Mode To access the Tech. Rep. mode, press the following keys in order. Stop Key Stop Key “0” “1” 1134D069AA 1156D134CA Press the keys in order of [1], [2], [3], and [4].
  • Page 187 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 1156SBD0306A 3-6. ELECTRICAL/IMAGE ADJUSTMENTS (1) Initial Adjustment of Original Size Detecting Board z Important D The following adjustment must be made when memory has been cleared, RAM Board PWB-R or Original Size Detecting Board UN2 replaced, or an Original Size Detecting Sensor replaced or added.
  • Page 188 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (2) ATDC Adjustment z Important Make this adjustment only after the starter has been replaced. Load the IU with fresh starter. Reinstall the IU in the copier. 1134D051AA Call the Tech. Rep. mode menu to the screen.
  • Page 189 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 7. Touch Menu on the screen to show the Tech. Rep. mode menu again. 8. Touch Level History and enter the value for the “ATDC Ref. Level” on the Adjust Label affixed inside the Front Door.
  • Page 190 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (3) Adjustment of the Aperture Blades z Requirement D There should be no dark or light bands running in the feeding direction on copies produced. (Adjust to obtain the mean image density for all areas.)
  • Page 191 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (4) Adjustment of Exposure Level in the Auto Exposure Mode z Important D Before starting the procedure, check that the Auto Exposure mode is selected on the Touch Panel. D For the adjustment, stack about five blank sheets of A3 or 11”...
  • Page 192 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (5) Adjustment of Optimum Exposure Setting in the Manual Exposure Mode z Requirement D Exposure Lamp voltage setting range in the Manual Exposure mode ... 44 to 56 D When the manual exposure setting is at the central indication, no image of step no. 1 of a Kodak Gray Scale should be produced on the copy, but a faint image of step no.
  • Page 193 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Next 5. Touch twice to show the “Tech. Rep. Choice 3” menu on the screen. 6. Observing the image density of the sample copy, touch the shift key A or " to change the setting for “Image Exposure”.
  • Page 194 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (6) Adjustment of Zoom Ratio in the Crosswise Direction (“Adjust A1 = Lens Full Size Position”) z Requirement D This adjustment is made for the zoom ratio in the crosswise direction. D A scale is placed on the Original Glass to run parallel with the Scanner and the length of the scale on the copy is compared with that of the actual scale.
  • Page 195 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Call the “Adjust 1/2” menu to the screen. Touch the select key t or s to highlight “A1 Lens Full Size Position”. 1156D138CA 1156D154CA Touch the shift key A or " to change the set value.
  • Page 196 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (7) Adjustment of Zoom Ratio in the Feeding Direction (“Adjust A3 = Feed Direction Mag. Ratio”) z Requirement D This adjustment is made for the zoom ratio in the feeding direction. D A scale is placed on the Original Glass perpendicularly to the Scanner and the length of the scale on the copy is compared with that of the actual scale.
  • Page 197 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Call the “Adjust 1/2” menu to the screen. Touch the select key t or s to highlight “A3 Feed Direction Mag. Ratio”. 1156D138CA 1156D151CA Touch the shift key A or " to change the set value.
  • Page 198 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (8) Adjustment of Reference Position of the Multi Bypass Table z Requirement D Dimension A on the copy of the GTC-test chart should mea- sure 20 mm " 2.0 mm in the full size ( 1.000) mode.

  • Page 199: Drawer

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (9) Adjustment of Reference Position of the 1st/2nd Drawer z Requirement D Dimension A on the copy of the GTC-test chart should mea- sure 20 mm " 2.0 mm in the full size ( 1.000) mode.

  • Page 200: Leading Edge Registration In Full Size Mode

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (10) Adjustment of the Leading Edge Registration z Requirement D Dimension A on the copy of the GTC-test chart should mea- Dimension A sure as follows at the respective zoom ratios. 1138D170AA Zoom Ratio Specifications...
  • Page 201 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Call the “Adjust 1/2” menu to the screen. Touch the select key t or s to highlight “A4 Scan Regist Full Size”. 1156D148CA 1156D138CA Touch the shift key A or " to change the setting value.

  • Page 202: Leading Edge Registration In Enlargement Mode

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (2) Leading Edge Registration in Enlargement Mode z Important This adjustment should be made after the “adjustment of leading edge registration in the full size mode”. After the leading edge registration in the full size mode has been adjusted, make three single copies on A3 or 11”...
  • Page 203 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Touch the shift key A or " to change the setting value. Touch Enter to validate the setting. Setting Instructions D If dimension A on the copy is longer than 43.0 mm, increase the setting value.

  • Page 204: Leading Edge Registration In Reduction Mode

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (3) Leading Edge Registration in Reduction Mode After the leading edge registration in the enlargement mode has been adjusted, make three single copies on A3 or 11” 17” paper at 0.500 and check the 3rd copy for leading edge registration.
  • Page 205 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 4. Touch the shift key A or " to change the setting value. 5. Touch Enter to validate the setting. Setting Instructions D If dimension A on the copy is longer than 11.5 mm, increase the setting value.

  • Page 206: Adjustment Of The Leading Edge Registration For Book Second Page

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (11) Adjustment of the Leading Edge Registration for Book Second Page z Requirement D Dimension A on the copy of a test chart (A3 or 11” 17”) as shown on the left should measure 20 "3.0 mm and B equals...
  • Page 207 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 With the “Adjust 1/2” menu on the screen, touch Next to show the “Adjust 2/2” menu. Then, high- light “A6 Book B-Scan Regist”. 1156D166CA 1156D163CA 5. Touch the shift key A or " to change the setting value.
  • Page 208 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (12) Adjustment of the Image Leading Edge Erase Width z Requirement D The erase width, dimension A, on the copy of the GTC–test Dimension A chart should measure 1.0 to 6.5 mm. D Setting range: 45 to 55...
  • Page 209 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Touch the shift key A or " to change the setting value. Touch Enter to validate the setting. Setting Instructions D If dimension A on the copy is longer than 6.5 mm, decrease the setting value.
  • Page 210 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (13) Adjustment of the Image Trailing Edge Erase Width z Requirement D The erase width, dimension A, on the copy of the GTC-test chart should measure 0.5 to 5.5 mm. D Setting range: 42 to 58.
  • Page 211 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Touch the shift key A or " to change the setting value. Touch Enter to validate the setting. Setting Instructions D If dimension A on the copy is longer than 5.5 mm, decrease the setting value.
  • Page 212 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (14) Adjustment of Edge Erase z Requirement D Dimension A, which is the erase width from the front edge on the copy of the GTC-test chart, should be in the range be- tween 0.5 mm and 4.0 mm.

  • Page 213: Other Adjustments

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 3-7. OTHER ADJUSTMENTS (1) Focus-Positioning of the Scanner and Mirrors Carriage z Requirement D With the Scanner positioned correctly with reference to the Scanner Drive Cable, there should be no gap between one end of the Scanner/Mirrors Carriage Positioning Jig and the Scanner, and between the other end of the jig and the Mirrors Carriage.
  • Page 214 Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 Tighten the Scanner Positioning Screw which was loos- ened in step 3. 1139D051AA D-95...

  • Page 215: Adjustment Of The Gap Between The Doctor Blade And Sleeve Roller (D.b. Adjustment

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (2) Adjustment of the Gap Between the Doctor Blade and Sleeve Roller (D.B. Adjustment) z Requirement D The gap between the Doctor Blade and Sleeve Roller should be 0.53 " 0.05 mm. Remove the IU, PC Drum Charge Corona, and PC Drum.

  • Page 216: Adjustment Of The Pc Drum Paper Separator Finger Position

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (3) Adjustment of the PC Drum Paper Separator Finger Position z Requirement D The gap between the PC Drum and Paper Separator Fingers should be 1.0 " 0.5 mm when Separator Solenoid SL1 is in the deenergized position.

  • Page 217: Adjustment Of Manual Feed Paper Take-Up Solenoid Sl4

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (4) Adjustment of Manual Feed Paper Take-Up Solenoid SL4 Remove the SL4 mounting bracket. (For the removal steps, see p. D-25.) Manually bring SL4 into the energized position (plunger pushed in). * A click is heard when the solenoid is energized.

  • Page 218: Adjustment Of Exit/Duplex Solenoid Sl5

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 (5) Adjustment of Exit/Duplex Solenoid SL5 z Requirement D With the lever in contact with the stopper (SL5 in the deenergized position), the gap between the plunger rubber washer and the solenoid should be 4.0 to 4.5 mm.

  • Page 219: Miscellaneous

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 MISCELLANEOUS 4-1. Installation of the Plug-In Counter (Option) Mounting Bracket Open the Right Door. Remove two screws and the cover. Remove the harness from the locking wiring saddle. Unplug three connectors. 1156D033AA Remove two screws and the Right Door.

  • Page 220: Adjustment Of The Right Door

    Interleaf EP5000/EP4000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 4-2. ADJUSTMENT OF THE RIGHT DOOR If the Right Door has been removed and reinstalled, the position of the actuator of Right Upper Door Interlock Switch S22 may deviate from the correct position. Hence, the necessity of the following adjustment.
  • Page 221 Interleaf EP4000/EP5000 DIS/REASSEMBLY, ADJUSTMENT 97.04.01 1156SBD000EA Copyright 1997 MINOLTA Co., Ltd. Printed in Japan Use of this manual should be strictly supervised to avoid disclosure of confidential information. MINOLTA CO., LTD. 1156-7992-11 97046000 Printed in Japan...
  • Page 222 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS000AA EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS...
  • Page 223 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS000BA CONTENTS PRECAUTIONS FOR HANDLING THE PWBs ....1-1. Precautions for Transportation and Storage .
  • Page 224 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 CONTENTS FACTORY SETTING ........

  • Page 225: Precautions For Handling The Pwbs

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1151SBS0100A PRECAUTIONS FOR HANDLING THE PWBs 1151SBS0101A 1-1. Precautions for Transportation and Storage a) Before transporting or storing the PWBs, put them in protective conductive cases or bags so that they are not subjected to high temperature (and they are not exposed to direct sunlight).

  • Page 226: Control Panel Keys And Touch Panel

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1149SBS0200A CONTROL PANEL KEYS AND TOUCH PANEL * For more details, see the “Operator’s Manual” shipped with the copier. 1149SBS0201A 2-1. Control Panel Keys Á Â Ã Ä À Å Æ...

  • Page 227: Explanation Of The Touch Panel

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1149SBS0202A 2-2. Explanation of the Touch Panel 1149SBS020201A 1. Basic Screen D The Basic screen is an initial screen that appears when the copier is turned ON, panel is reset, or when auto clear is activated.
  • Page 228 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1149SBS020202A 2. Warning Screens D The warning screen may be a malfunction display, error display, warning display, or a caution display. <Malfunction Display> <Error Display> D A malfunction display is given when trouble D An error display is given when trouble occurs occurs which cannot be corrected by the user.

  • Page 229: Functions Of Switches And Points On Pwb-I

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1151SBS0300A FUNCTIONS OF SWITCHES AND POINTS ON PWB-I 1151SBS0301A 3-1. PWB-I Location 1156S001AA 1156SBS0302A 3-2. Tech. Rep. Settings Switches Board PWB-I 1149S002BB Symbol Name Description Trouble Reset Switch Resets a malfunction including those of the Exposure Lamp (C04XX) and fusing (C05xx).
  • Page 230 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 <Clearing Procedures> D Initialize Points PJ2 1. Turn OFF the Power Switch. 2. With PJ2 closed, turn ON the Power Switch. 3. In approx. 5 sec. open PJ2. 4. Check that the message “Initialize completed” is shown on the Touch Panel, then touch “Enter.”...

  • Page 231: User's Choice Mode

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1149SBS0400A USER’S CHOICE MODE D The User’s Choice mode available through the User Mode menu is used to make various settings ac- cording to the user’s needs. 1149SBS0401A 4-1. User’s Choice Selection Screen...

  • Page 232: User's Choice Function Tree

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS0403A 4-3. User’s Choice Function Tree Mixed Orig. Detection Language Selection Paper Priority Copy Mode Priority Manual feed expansion Expo. Mode Priority Expo. Level Priority Manual Expo. Adjust Finishing Priority Auto Panel Reset Energy Saver Mode User’s Choice...

  • Page 233: Settings In The User's Choice

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS0404A 4-4. Settings in the User’s Choice 1156SBS040401A [1/6] Touch Panel Highlighted Setting (The default is Display Mixed Orig. Select whether to enable (“ON”) the Mixed Original Detection mode or not Detection (“OFF”) when power is turned ON or the Panel Reset key pressed.
  • Page 234 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS040402A [2/6] Touch Panel Highlighted Setting (The default is Display Expo. Mode Priority Specify the default exposure mode selected automatically when power is turned ON or the Panel Reset key pressed.
  • Page 235 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS040403A [3/6] Touch Panel Highlighted Setting (The default is Display Auto Panel Reset Specify the default exposure mode selected automatically when power is turned ON or the Panel Reset key pressed.
  • Page 236 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS040405A [5/6] Touch Panel Highlighted Setting (The default is Display Custom 2in1 Make the settings for “Paper,” “Zoom,” “Margin,” and “Erase” that are automati- cally recalled when 2 in-1 copy is selected.
  • Page 237 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 [5/6] Touch Panel Highlighted Setting (The default is Display Custom Book Copy Make the settings for “Paper,” “Zoom,” “Margin,” and “Erase” that are auto- matically recalled when Book copy is selected.
  • Page 238 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS040406A [6/6] Touch Panel Highlighted Setting (The default is Display Orig. " Copy Select the type of Orig. " Copy setting selected automatically when the copi- Default er is turned ON or Panel Reset key pressed. If ”Duplex only” is selected for “Simplex/Duplex”...
  • Page 239 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 [6/6] Touch Panel Highlighted Setting (The default is Display 1/25 <100 Accounts> ⋅ The copy track data of the selected page is displayed (Account No., Total ⋅ Counter, Size Counter, Limit, ID).

  • Page 240: Tech. Rep. Mode

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1149SBS0500A TECH. REP. MODE D This mode is used by the Tech. Rep. to set, check, adjust, and/or program various service functions. 1149SBS0501A 5-1. Tech. Rep. Mode Menu Screen 1149O423CB 1149SBS0502A 5-2.

  • Page 241: Tech. Rep. Mode Function Tree

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS0503A 5-3. Tech. Rep. Mode Function Tree F1 Paper Passage Paper Path Sensors F3 Exp. Lamp F5 Optimum & AE Function F7 Orig. Sensor Developer F8 ATDC Adjust FF F8+F5 Tech. Rep. Choice 1...

  • Page 242: I/O Check

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 IC Port Data Check Paper Path Sensors Check I/O Check Memory Check Controller Board Check Panel Indication Check Last Trouble Rom Version Tech. Rep. RD Mode Mode ADF Check Accessory Test...
  • Page 243 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1149SBS0504A 5-4. Settings in the Tech. Rep. Mode 1149SBS050401A 1. Function D This function allows the Tech. Rep. to make the various functional tests and adjustments. <Setting Procedure> 1. Select the particular function to be run.
  • Page 244 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS050402A 2. Tech. Rep. Choice D This function allows the Tech. Rep. to make various settings and adjustments. Tech. Rep. Mode " Tech. Rep. Choice Touch Panel Display Operation Key Counter Select the condition by which the Key Counter count is increased.
  • Page 245 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 Tech. Rep. Mode " Tech. Rep. Choice Touch Panel Display Operation Maintenance Call Select whether to enable or disable the maintenance call reminder mes- sage that is displayed when the maintenance counter count reaches the preset value.
  • Page 246 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 Tech. Rep. Mode " Tech. Rep. Choice Touch Panel Display Operation Leading Edge Erase Select whether to enable (“Yes”) or disable (“No”) the leading edge erase. Trailing Edge Erase Select whether to enable (“Yes”) or disable (“No”) the trailing edge erase.
  • Page 247 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 Tech. Rep. Mode " Tech. Rep. Choice Touch Panel Display Operation Image Exposure Vary the Vg voltage to set the desired image density. Display Description Display Description –90V +30V –60V +60V –30V...
  • Page 248 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1149SBS050403A 3. System Input D This function allows the Tech. Rep. to change the fixed zoom ratios, set the paper size, define the mar- keting area, configure for the Key Counter, and input the telephone number.
  • Page 249 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS050404A 4. Counter D This function shows the counts of the various counters, thus aiding the Tech. Rep. in performing service jobs. <Setting Procedure> 1. Select “Counter”. 2. Select the desired counter function.
  • Page 250 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 Tech. Rep. Mode " Counter Touch Panel Operation Display Shows the number of misfeeds that have occurred in different parts of the copier system including MCBJ (system, copier only, ADF). <Jam Counter 1/3>...
  • Page 251 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 Tech. Rep. Mode " Counter Touch Panel Operation Display <Jam Counter 3/3> Display Description Display Description No. of misfeeds that SADF Feed No. of misfeeds that occurred at the trans- occurred at the SADF...
  • Page 252 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 Tech. Rep. Mode " Counter Touch Panel Operation Display Trouble <Trouble 2/6> Malfunction Location Malfunction Location Code Code C03XX Control Board/Harness C0520 Fuser High Temp. C04XX Exposure Lamp C0600 Scanner Drive Syst.
  • Page 253 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 Tech. Rep. Mode " Counter Touch Panel Operation Display Maintenance Five different values (counts) can be set for the Maintenance Counter. Each counter is increased by 1 each time a copy is made and, when the preset count is reached, the maintenance call reminder message and maintenance code “M1”...
  • Page 254 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 Tech. Rep. Mode " Counter Touch Panel Operation Display Port/option <Port/Option 3/3> Display Description No. of revolutions of the PC Drum, as converted to the number PC Drum of sheets of A4 crosswise paper fed through the copier Developer No.
  • Page 255 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 Tech. Rep. Mode " Counter Touch Panel Operation Display Consumables Enter the count of the Copy Kit counter. When the count, which is increased by 1 each time a copy is made, reaches the set count, the maintenance call reminder message, together with maintenance code “M4,”...
  • Page 256 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS050405A 5. I/O Check D This function is used to check the sensors and boards when a paper misfeed or malfunction occurs, thereby locating the fault. Tech. Rep. Mode " I/O Check...
  • Page 257 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 Tech. Rep. Mode " I/O Check Touch Panel Operation Display Memory Check Touching the Memory Check key causes the copier to automatically check the ROM/RAM on MSC Board PWB-B. Result Display...

  • Page 258: Last Trouble

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1149SBS050406A 6. Last Trouble Tech. Rep. Mode " Last Trouble Touch Panel Operation Display Last Trouble Touching the Last Trouble key shows the various copying settings made when the last malfunction occurred, thereby providing a basis for determining the cause of the problem.

  • Page 259: Rd Mode

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1149SBS050408A 8. RD Mode Tech. Rep. Mode " RD Mode Touch Panel Highlighted Setting (The default is Display RD Mode Make the initial settings of the copier for the Data Terminal.
  • Page 260 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 Tech. Rep. Mode " RD Mode Touch Panel Setting Display RD Mode ............. . .

  • Page 261: Accessory Test

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS050409A 9. Accessory Test D This function is used to make an operation check and adjustments to the ADF and Sorter or Staple Sort- Tech. Rep. Mode " Accessory Test Touch Panel...
  • Page 262 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 Tech. Rep. Mode " Accessory Test Touch Panel Setting Display Sorter Check Enables the following operation checks to be performed for the Sorter. Transport Motor Pressing the Start key energizes the Transport Motor to turn the various Transport Rollers.

  • Page 263: Level History

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS050410A 10. Level History D This function is used to show and set the various level histories which were changed according to the operating conditions of the copier and user requirements.

  • Page 264: Machine Status

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS050411A 11. Machine Status D This function shows the codes of isolated malfunctions which are currently present. This screen is also accessible by touching the wrench mark shown at the bottom left corner of the Basic screen under nor- mal operating conditions.

  • Page 265: Factory Setting

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1149SBS0600A FACTORY SETTING D Factory Setting is used to make adjustments at the factory. 1149SBS0601A 6-1. Factory Setting Menu Screen 1149O424CA 1149SBS0602A 6-2. Factory Setting Function Setting Procedure <Setting Procedure> 1. Set the copier into the Tech. Rep. mode by pressing the following keys in this order.

  • Page 266: Factory Setting Function Tree

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS0603A 6-3. Factory Setting Function Tree Adjust 1/2 Lens Focus Lens Full Size Position Mirror Full Size Position Feed Direction Mag. Ratio Scan Regist Full Size Scan Regist Reduction Adjust Adjust 1/2...
  • Page 267 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 – Components Energized in “Function” – Component  Main Drive Motor  Fan Motors       Toner Replenishing Motor        Paper take-up ...

  • Page 268: Adjust

    Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS060302A 2. Adjust D This function is used to adjust the optical system before shipment from the factory and must not be run except when the RAM Board has been replaced with a new one or memory cleared. Further, when the RAM Board has been changed or memory cleared, enter the factory settings indicated on the Adjust Mode label affixed to the inside of the Front Door.
  • Page 269 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 Factory Setting " Adjust Touch Panel Operation Display Scan Regist Corrects the amount of offset along the leading edge in a reduction mode Reduction by varying the Synchronizing Roller start timing.
  • Page 270 Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS 97.04.01 1156SBS000EA Copyright 1997 MINOLTA Co., Ltd. Printed in Japan Use of this manual should be strictly supervised to avoid disclosure of confidential information. MINOLTA CO., LTD. 1156-7997-11 97046000 Printed in Japan...

  • Page 271: Troubleshooting

    Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT000AA EP5000/EP4000 TROUBLESHOOTING...
  • Page 272 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT000BA CONTENTS INTRODUCTION 1-1. General Precautions .........
  • Page 273 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 4) C004A: Original Glass Cooling Fan Motor M5’s Failure to Turn ........
  • Page 274 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 C0952: 4th Drawer Downward Motion Failure C0953: 4th Drawer Upward Motion Failure C0956: 4th Drawer Ejection Failure 18) C0990: Main Tray Upward Motion Failure ....
  • Page 275 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 5-2. Initial Checks ..........

  • Page 276: Introduction

    Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1139SBT0100A INTRODUCTION 1139SBT0101A 1-1. General Precautions 1. When servicing the copier with its covers removed, use utmost care to prevent your hands, clothing, and tools from being caught in revolving parts including the chains and gears. When servicing the copier with the Lower Rear Cover removed, be sure to install the jig.

  • Page 277: O Port Check

    Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1151SBT0200A I/O PORT CHECK 1156SBT0201A 2-1. Controlled Parts Check Procedure To allow the Tech. Rep. to easily and safely determine whether a particular controlled part is fully opera- tional, this copier provides the following provision: checking the data of the I/O port of the board IC with the copier in the standby state (including a misfeed, malfunction, and closure failure condition) allows the Tech.
  • Page 278 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 <Controlled Part Check Procedure by Changing Input Port Data> Example: When a paper misfeed occurs in the paper take-up section of the copier, 1st Drawer Pa- per Take-Up Sensor PC56 is considered to be responsible for it.
  • Page 279 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 <Controlled Part Check Procedure by Changing Output Port Data> Example: When a manual paper misfeed occurs, Manual Feed Paper Take-Up Clutch CL3 is con- sidered to be responsible for it. <Procedure> 1) Remove the sheet of paper misfed and reset the misfeed.

  • Page 280: I/O Port Check List

    Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT0202A 2-2. I/O Port Check List <Port Check Screens> D The following screens are displayed in the standby mode but may not always be as shown below because some port data are undefined. (Copier+PF-205) 1156T016CA 1156T020CA...
  • Page 281 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 <I/O Port Check List> Copier *The shaded areas of the following table indicate that the output check cannot be made by touching the Change key. Operation Char- Dis- acteristics/Panel Sym- Port CN/PJ play Parts/Signal Name Display...
  • Page 282 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Operation Char- Dis- acteristics/Panel Port CN/PJ play Symbol Parts/Signal Name Display Page H or 1 L or 0 Fusing Section Cool- When When ↑  ing Fan Motor/lock IC4A APB6 PJ10A-3 locked turned signal Separator Solenoid...
  • Page 283 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Operation Charac- Dis- teristics/Panel Dis- Sym- Port CN/PJ play Parts/Signal Name play Page H or 1 L or 0 Paper 1st Drawer Vertical Paper  PC63 IC3A APB6 PJ21A-8A Transport Sensor present present Paper 2nd Drawer Vertical Paper ...
  • Page 284 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Operation Charac- Dis- teristics/Panel Dis- Sym- Port CN/PJ play Parts/Signal Name play Page H or 1 L or 0 When CNT2 Plug-In Counter/REM IC1A Normally count- PJ28A-9 Out of ↑  Plug-In Counter/Set IC5A BPC3 PJ28A-7...
  • Page 285 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Operation Charac- Dis- teristics/Panel Dis- Sym- Port CN/PJ play Parts/Signal Name play Page H or 1 L or 0 t Drawer Paper  IC3A BPA0 PJ24A-3 Descent Key Manual Down ↑ IC3A APC4 PJ24A-1 Display 1 Drawer Paper ...
  • Page 286 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 PF-205 Operation Char- Dis- acteristics/Panel Port CN/PJ play Symbol Parts/Signal Name Display Page H or 1 L or 0 Turn Vertical Transport Turn in- PJ12A-1~ IC1A per- Drive Motor hibited mitted Turn 3rd Drawer Paper Turn in-...
  • Page 287 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Operation Char- Dis- acteristics/Panel Port CN/PJ play Symbol Parts/Signal Name Display Page H or 1 L or 0 Paper 4th Drawer Paper Paper  PC24 IC1A PJ8A-2 Empty Sensor present present 3rd Drawer Set Out of ...
  • Page 288 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 PF-105 Operation Char- Dis- acteristics/Panel Sym- Port CN/PJ play Parts/Signal Name Display Page H or 1 L or 0 Turn Vertical Transport Turn in- IC1A per- PJ12A-1~4 Drive Motor hibited mitted Turn 3rd Drawer Paper Turn in-...
  • Page 289 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Operation Char- Dis- acteristics/Panel Sym- Port CN/PJ play Parts/Signal Name Display Page H or 1 L or 0 Not at 3rd Drawer Paper  PC19 IC1A upper upper PJ6A-12 Lift-Up Sensor limit limit Paper 3rd Drawer Paper Paper ...
  • Page 290 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 AD-9 Operation Char- Dis- acteristics/Panel Port CN/PJ play Symbol Parts/Signal Name Display Page H or 1 L or 0 Duplex Unit Drive IC1G PJ6G-2 Motor Duplex Unit Drive When When ↑  IC1G PJ6G-1 Motor/lock signal...
  • Page 291 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 C-301 Operation Char- Dis- acteristics/Panel Port CN/PJ play Symbol Parts/Signal Name Display Page H or 1 L or 0 Down/ HMOT Elevator Motor IC1A CN5A-2 stop ↑ Elevator Motor IC1A Up/stop Down CN5A-1 Paper Plate Descent ...
  • Page 292 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 PF205 : MC Operation Char- Dis- acteristics/Panel Port CN/PJ play Symbol Parts/Signal Name Display Page H or 1 L or 0 Turn Vertical Transport Turn in- PJ12A-1~ IC1A per- Drive Motor hibited mitted Turn 3rd Drawer Paper...
  • Page 293 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Operation Char- Dis- acteristics/Panel Port CN/PJ play Symbol Parts/Signal Name Display Page H or 1 L or 0 Paper 4th Drawer Paper Paper  PC29 IC2A PJ8A-5 Take-Up Sensor present present Large Capacity Ton- Out of ...
  • Page 294 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 PF-5D/AD-8 Operation Char- Dis- acteristics/Panel Port CN/PJ play Symbol Parts/Signal Name Display Page H or 1 L or 0 Turn Vertical Transport Turn in- PJ12A-1~ IC1A per- Drive Motor hibited mitted Duplex Unit Drive IC1G PJ5G-2...

  • Page 295: Paper Transport Failure

    Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1151SBT0300A PAPER TRANSPORT FAILURE 1156SBT0301A 3-1. Paper Misfeed When a paper misfeed occurs, the Touch Panel shows the corresponding message, misfeed location and paper location. Blinking There is a misfeed at Light that location. There might be a...

  • Page 296: Misfeed Detecting Sensor Layout

    Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 <Misfeed Detecting Sensor Layout> *When options (PF-205+AD-9) are installed Paper Exit Sensor (S53) Transport Roller Sensor (PC54) 1st Drawer Paper Leading Edge Detecting Vertical Transport Sensor (PC54) Sensor (PC63) 1st Drawer Paper Take-Up Sensor (PC56) 2nd Drawer...

  • Page 297: Misfeed Detection Types And Detection Timings

    Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT0302A 3-2. Misfeed Detection Types and Detection Timings D The following table lists the types of misfeed detection classified by the misfeed locations and their corre- sponding detection timings. Note: For the misfeed detection types and detection timings in the options, see the Service Manual for the options.
  • Page 298 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 <Fusing/Exit Misfeed> Type Detection Timing Leading edge detection by S53 is not deactuated even after the lapse of approx. 2 sec. after the Paper Exit Switch S53 TRON signal has been input. Trailing edge detection by S53 is not actuated even after the lapse of approx.

  • Page 299: Misfeed Clearing Procedures

    Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT0303A 3-3. Misfeed Clearing Procedures 1156SBT030301A 1) Copier Paper Take-Up Misfeed Relevant Electrical Parts D 2nd Drawer Paper Take-Up Sensor PC57 D 1st Drawer Paper Take-Up Motor M11 D 1st Drawer Vertical Transport Sensor PC63 D 2nd Drawer Paper Take-Up Motor M12...
  • Page 300 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uCopier Paper Take-Up Misfeed Clearing Procedure Symptom Step Check Item Result Action D Paper is not taken Does the paper being used Instruct the user to use the meet product specifica- paper that meets product up at all.
  • Page 301 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Symptom Step Check Item Result Action Paper is stationary Does CL1 operate proper- Check the drive transmis- at the Vertical Trans- sion path. port Section Using the IC Port Data Check function, set the data of PWB-A (IC4A) BPA3 to “0.”...
  • Page 302 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT030302A 2) Transport/Separator Misfeed Relevant Electrical Parts D Transport Roller Sensor PC54 D Separator Solenoid SL1 D Paper Leading Edge Detecting Sensor PC55 D Suction Fan Motor M4 D Paper Transport Clutch CL1 D High Voltage Unit HV1...
  • Page 303 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uTransport/Separator Misfeed Clearing Procedure Symptom Step Check Item Result Action Paper is station- Is the paper curled, waved or Change the paper. Instruct ary at the Syn- damp? the user in how to store the chronizing Roll- paper.
  • Page 304 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Symptom Step Check Item Result Action Paper is station- Do the Suction Belts turn when Check the drive gears and ary on the Suc- the Main Drive Motor runs? timing belt. tion Belts. Does M4 operate properly? Check the Suction Belts.
  • Page 305 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT030303A 3) Multi Bypass Misfeed Relevant Electrical Parts D Manual Feed Paper Empty Sensor PC51 D Master Board PWB-A D Manual Feed Paper Take-Up Solenoid SL51 D Manual Feed Paper Take-Up Clutch CL3 1156C03TAA T-30...
  • Page 306 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uMulti Bypass Misfeed Clearing Procedure Symptom Step Check Item Result Action Paper is not de- Does PC51 operate proper- Change PWB-A. tected. Using the IC Port Data Check the PC51 actuator Check function, make an in-...
  • Page 307 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT030304A 4) Fusing/Exit Misfeed Relevant Electrical Parts D Paper Exit Switch S53 D Suction Fan Motor M4 D Master Board PWB-A 1156C04TAA T-32...
  • Page 308 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uFusing/Exit Misfeed Clearing Procedure Symptom Step Check Item Result Action Paper is stationary Is the paper curled, waved, Change the paper. Instruct before the Fusing or damp? the user in how to store the Roller. paper.
  • Page 309 D 4th Drawer Paper Take-Up Sensor PC29 D 4th Drawer Paper Take-Up Motor M23 D Vertical Transport Sensor 3 PC17 D Vertical Transport Drive Motor M21 D Vertical Transport Sensor 4 PC22 D PF-205 Master Board PWB-A D EP5000/EP4000 Master Board PWB-A 1156C24TAA T-34...
  • Page 310 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Symptom Step Check Item Result Action D Paper is not tak- Does the paper being used Instruct the user to use en up at all. meet product specifications? the paper that meets product specifications. D Paper is station- Is the paper curled, waved, or Change the paper.
  • Page 311 D 3rd Drawer Paper Take-Up Sensor PC21 D 3rd Drawer Paper Take-Up Motor M22 D Vertical Transport Sensor 3 PC17 D Vertical Transport Drive Motor M21 D Vertical Transport Sensor 4 PC22 D PF-105 Master Board PWB-A D EP5000/EP4000 Master Board PWB-A 1156C26TAA T-36...
  • Page 312 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Symptom Step Check Item Result Action D Paper is not taken Does the paper being used Instruct the user to use the up at all. meet product specifica- paper that meets product tions? specifications. D Paper is stationary Is the paper curled, waved, Change the paper.
  • Page 313 D Duplex Unit Drive Motor M31 D Duplex Unit Paper Entry Sensor PC14 D Duplex Unit Master Board PWB-G D Duplex Unit Paper Empty Sensor PC15 D PF-205/105 Master Board PWB-A D Vertical Transport Sensor 3 PC17 D EP5000/EP4000 Master Board PWB-A 1156C30TAA T-38...
  • Page 314 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uAD-9 Vertical Transport Misfeed Clearing Procedure Symptom Step Check Item Result Action Paper is stationary Does SL5 operate proper- Check the drive transmis- at the copier exit sion path. section. Using the IC Port Data Check function, set the data of PWB-A (IC4A) BPA5 to “0.”...
  • Page 315 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uAD-9 Storage Misfeed Clearing Procedure Symptom Step Check Item Result Action The leading edge of Is the Paper Guide Mylar Clean or change the mylar. the paper is station- dirty or deformed? ary inside the Du-...
  • Page 316 D Duplex Unit Pick-Up Solenoid SL33 D Vertical Transport Sensor 3 PC17 D Duplex Unit Master Board PWB-G D Vertical Transport Drive Motor M21 D PF-205/105 Master Board PWB-A D Duplex Unit Paper Take-Up Clutch CL31 D EP5000/EP4000 Master Board PWB-A 1156C31TAA T-41...
  • Page 317 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uAD-9 Paper Take-Up Misfeed Clearing Procedure Symptom Step Check Item Result Action Paper is not taken Does SL33 operate proper- Check the pick-up mecha- up at all. nism. Using the IC Port Data Change PWB-G, PWB-A...

  • Page 318: Malfunctions

    Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1151SBT0400A MALFUNCTIONS 1156SBT0401A 4-1. Detection Timings Classified by Malfunction Codes D The codes marked with an asterisk (*) are the candidates for isolated malfunctions. C00## Drive Malfunctions 1156SBT040101A Code Description Detection Timing Main Drive Motor M1’s failure to turn The lock signal remains HIGH for a continu- ous 2.0-sec.
  • Page 319 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 C02## Corona Malfunction 1156SBT040102A Code Description Detection Timing PC Drum Charge, Image Transfer, Pa- The leak signal (SCD) turns ON after the PC C0200 per Separator Corona malfunction Drum Charge and Image Transfer/Paper Sep- arator Corona output has been turned ON.
  • Page 320 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Code Description Master Board Port C032A Main Hopper Toner Replenishing Motor M8 IC4A BPC3 C032B Suction Fan Motor M4 33/ Ventilation Fan Motor M3 IC4A BPC2 C032C Ventilation Fan Motor M3 IC4A BPC1 C032D 2nd Drawer Paper Lift-Up Motor M14 DOWN...

  • Page 321: Abnormal Timing

    Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040104A C04## Exposure Lamp Malfunctions Code Description Detection Timing C0400 Exposure Lamp LA1’s failure to turn The output from AE Sensor Board PWB-H does not become 4.0V or more for the period between when LA1 turns ON and the Scanner starts a scan motion and when the Image Leading Edge signal (BASE) turns ON.
  • Page 322 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040106A C06## Optical Malfunctions Code Description Detection Timing D When the Scanner is at a position other than C0600 Scanner Motor M2 malfunction home, Scanner Reference Position Sensor PC81 does not go from HIGH to LOW even after the lapse of 20 sec.
  • Page 323 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040107A C09## Paper Take-Up Malfunctions Code Description Detection Timing C0900 3rd Drawer upward motion failure C0901 3rd Drawer downward motion fail- (Inch Area) C0902 3rd Drawer downward motion fail- (Inch Area) C0903 3rd Drawer upward motion failure (Inch Area) 3rd Drawer Lift-Up Motor M24’s fail-...
  • Page 324 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Code Description Detection Timing D 2nd Drawer Lift-Up Sensor PC66 is not blocked 2nd Drawer upward motion failure (L) even after the lapse of 5 sec. after 2nd Drawer Paper Lift-Up Motor M14 has been energized.
  • Page 325 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Code Description Detection Timing D PC67 detects no pulses even after the lapse of 1st Drawer Paper Lift–Up Motor 500 msec. after M13 has been energized. M13’s failure to turn C0924 D PC67 detects no pulses for the period of 200 msec.
  • Page 326 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Code Description Detection Timing C0990 Main Tray upward motion failure C0991 Main Tray downward motion failure C0992 Main Tray downward motion failure C0993 Main Tray upward motion failure C0994 Elevator Motor M26’s failure to turn C0996...
  • Page 327 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040108A C0E## Erase Lamp Malfunctions Code Description Detection Timing Main Erase Lamp LA2’s failure to The LA2 Failure Detection signal remains HIGH C0E00 turn ON for a continuous 1-sec. period while LA2 is ON. Main Erase Lamp LA2 turning ON...
  • Page 328 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Code Description Detection Timing ATDC Sensor UN3 adjustment fail- The UN3 output does not fall within the target C0F30 range in the F8 mode. D The “ATDC Ref. Value” of “Level History” drasti- ATDC Sensor UN3 failure cally deviates from the value set in the FF mode.
  • Page 329 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Code Description Sensor Layout Original Size Detecting <Detection Timing> Ê C0FE1 Sensor failure After having read the output data from PC115 to PC119, UN2 determines that there is a failure. Original Size Detecting Ë C0FE2 Sensor failure <Sensor Layout>...
  • Page 330 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Code Description Sensor Layout Original Size Detecting Metric Areas Î C0FF0 D Ê: PC116, Ë: PC117, Ì: PC118 (option), Sensor failure Í Í: PC115, Î: PC119 (option) Î Original Size Detecting D A to E: Sensor locations Ê...
  • Page 331 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040110A C0b## Staple Sorter/Sorter Malfunctions Code Description Detection Timing C0b00 Transport drive malfunction See the ST-210/S-207 Service Manual. C0b01 C0b10 Paper Clamp Unit motion failure See the ST-210/S-207, ST-101/S-104 Ser- vice Manual. C0b11 C0b12 See the ST-210/S-207 Service Manual.
  • Page 332 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT0402A 4-2. Troubleshooting Procedures 1156SBT040201A 1) C0000: Main Drive Motor M1’s Failure to Turn C0001: Main Drive Motor M1 Turning at Abnormal Timing Relevant Electrical Parts D Main Drive Motor M1 D Master Board PWB-A 1156C05TAA...
  • Page 333 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC0000 Step Check Item Result Action Does M1 turn? Change PWB-A. Set the data of PWB-A (IC4A) BPA2 to “0.” Perform the “Controller Board Check.” Change PWB-A. Is malfunction code “C0327” dis- D Check the drive coupling.
  • Page 334 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040202A 2) C0040: Suction Fan Motor M4’s Failure to Turn Relevant Electrical Parts D Suction Fan Motor M4 D Master Board PWB-A 1156C06TAA T-59...
  • Page 335 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC0040 Step Check Item Result Action Does M4 turn? Change PWB-A. Set the data of PWB-A (IC4A) BPC2 to “0.” Perform the “Controller Board Check.” Change PWB-A. Is malfunction code “C032B” dis- D Change M4. played?
  • Page 336 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040203A 3) C0046: Fusing Section Cooling Fan Motor M15’s Failure to Turn C0047: Fusing Section Cooling Fan Motor M15 Turning at Abnormal Timing Relevant Electrical Parts D Fusing Section Cooling Fan Motor M15 D Master Board PWB-A...
  • Page 337 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC0046 Step Check Item Result Action Does M15 turn? Change PWB-A. Set the data of PWB-A (IC4A) APC2 to “0.” Perform the “Controller Board Check.” Change PWB-A. Is malfunction code “C0321” dis- D Change M15. played?
  • Page 338 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040204A 4) C004A: Original Glass Cooling Fan Motor M5’s Failure to Turn C004b: Original Glass Cooling Fan Motor M5 Turning at Abnormal Timing C004C: Ventilation Fan Motor M3’s Failure to Turn C004d: Ventilation Fan Motor M3 Turning at Abnormal Timing...
  • Page 339 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC004A Step Check Item Result Action Does M5 turn? Change PWB-A. Set the data of PWB-A (IC4A) BPC0 to Change M5. “0.” uC004b Step Check Item Result Action Does M5 turn when the malfunction is Change PWB-A.
  • Page 340 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040205A 5) C0070: Main Hopper Toner Replenishing Motor M8’s Failure to Turn C0071: Main Hopper Toner Replenishing Motor M8 Turning at Abnormal Timing C0072: Sub Hopper Toner Replenishing Motor M9’s Failure to Turn Relevant Electrical Parts...
  • Page 341 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC0070 Step Check Item Result Action Turn the Toner Bottle a half turn by Go to step 3. hand and close the Front Door. Does the Toner Bottle turn at this time? Does PC35 operate properly? Change PC35.
  • Page 342 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040206A 6) C0200: Corona Malfunctions Relevant Electrical Parts D High Voltage Unit HV1 D Master Board PWB-A 1156C10TAA Step Check Item Result Action Is “C0200” displayed even when the Go to step 4. PC Drum Charge Corona and Image...
  • Page 343 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040207A 7) C03##: Master Board/Harness Malfunctions Relevant Electrical Parts D Master Board PWB-A D PF-205/105 Master Board PWB-A D Duplex Unit Master Board PWB-G uC0300 to C033C Step Action Change Master Board PWB-A. uC0350, C0351 Step Action Check the connections from PJ20A on PWB-A to PJ13A on PF–205/105 PWB-A.
  • Page 344 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040208A 8) C0400: Exposure Lamp LA1’s Failure to Turn ON C0410: Exposure Lamp LA1 Turning ON at Abnormal Timing Relevant Electrical Parts D Exposure Lamp LA1 D Exposure Lamp Regulator PWB-J D Exposure Thermal Fuse TF1...
  • Page 345 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Step Check Item Result Action Does the voltage across PWB-A Go to step 2. PJ8A-13 and GND become DC0V (L) when the Start key is pressed? Perform the “Controller Board Check.” Change PWB-A. Is malfunction code “C0312” or “C033B”...
  • Page 346 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040209A 9) C0500: Warming-up Failure C0510: Abnormally Low Fusing Temperature C0520: Abnormally High Fusing Temperature Relevant Electrical Parts D Fusing Heater Lamp H1 D Fusing Heater Lamp SSR SSR1 D Fusing Thermoswitch TS1 D Master Board PWB-A...
  • Page 347 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC0500, C0510 Step Check Item Result Action Does H1 light up when the Power Go to step 5. Switch is turned ON? Is TH1 installed properly? Reinstall TH1. Is TH1 dirty? Clean or change TH1. Measure resistance of TH1. Is is infi- Change TH1.
  • Page 348 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040210A 10) C0600: Scanner Motor M2 Malfunction C06FX: Signal Failure Relevant Electrical Parts D Scanner Motor M4 D Power Supply Unit PU1 D SCP Board PWB-F D Master Board PWB-A 1156C13TAA T-73...
  • Page 349 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC0600 Step Check Item Result Action Are all connectors on PWB-F plugged Plug them in securely. in securely? Is the voltage across PWB-F PJ1F-2 Check the connection of the DC5V line and GND DC5V? and, if it is intact, change PU1.
  • Page 350 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040211A 11) 0610: Lens Motor M6 Malfunction 0620: Mirror Motor M7 Malfunction Relevant Electrical Parts D Mirror Reference Position Sensor PC86 D SCP Board PWB-F D Lens Reference Position Sensor PC90 D Master Board PWB-A D Lens Motor M6...
  • Page 351 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC0610 Step Check Item Result Action Are all connectors on PWB-F, M6, and Plug them in securely. PC90 plugged in securely? Does the voltage across PWB-F Change PC90. PJ6F-5 and GND change from DC5V to DC0V when PC90 is blocked? Is the Lens drive defective? Correct or change the defective part.
  • Page 352 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040212A 12) C0910: 2nd Drawer Upward Motion Failure C0914: 2nd Drawer Paper Lift-Up Motor M14’s Failure to Turn C0920: 1st Drawer Upward Motion Failure C0924: 1st Drawer Paper Lift-Up Motor M13’s Failure to Turn Relevant Electrical Parts...
  • Page 353 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC0910 Step Check Item Result Action Does PC66 operate properly? Change PWB-A. Using the IC Port Data Check function, Check the Paper Take-Up Roll for op- make an input port check on PWB-A eration. If it is operational, change (IC3A) APB2.
  • Page 354 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040213A 13) C0900: 3rd Drawer Upward Motion Failure C0904: 3rd Drawer Paper Lift-Up Motor M24’s Failure to Turn C0950: 4th Drawer Upward Motion Failure C0954: 4th Drawer Paper Lift-Up Motor M25’s Failure to Turn Relevant Electrical Parts...
  • Page 355 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC0950 Step Check Item Result Action Does PC19 operate properly? Change PF-205 PWB-A. Using the IC Port Data Check function, Check the Paper Take-Up Roll for op- make an input port check on PWB-A eration. If it is operational, change (200) (IC1A) PG3.
  • Page 356 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040214A 14) C0911: 2nd Drawer Upward Motion Failure (Inch Areas) C0912: 2nd Drawer Downward Motion Failure C0913: 2nd Drawer Upward Motion Failure C0916: 2nd Drawer Ejection Failure Relevant Electrical Parts D 2nd Drawer Lift-Up Sensor PC66...
  • Page 357 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC0911 Step Check Item Result Action Does PC66 operate properly? Replace PWB-A. Using the IC Port Data Check function, make an input port check on PWB-A Replace PC66 or PWB-M2. (IC3A) APB2. uC0912, C0913 Step Check Item...
  • Page 358 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040215A 15) C0921: 1st Drawer Upward Motion Failure (Inch Areas) C0922: 1st Drawer Downward Motion Failure C0923: 1st Drawer Upward Motion Failure C0926: 1st Drawer Ejection Failure Relevant Electrical Parts D 1st Drawer Lift-Up Sensor PC65...
  • Page 359 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC0921 Step Check Item Result Action Does PC65 operate properly? Replace PWB-A. Using the IC Port Data Check function, make an input port check on PWB-A Replace PC65 or PWB-M1. (IC3A) APB1. uC0922, C0923 Step Check Item...
  • Page 360 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040216A 16) C0901: 3rd Drawer Upward Motion Failure (Inch Areas) C0902: 3rd Drawer Downward Motion Failure C0903: 3rd Drawer Upward Motion Failure C0906: 3rd Drawer Ejection Failure Relevant Electrical Parts D 3rd Drawer Lift-Up Sensor PC19...
  • Page 361 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC0901 Step Check Item Result Action Does PC19 operate properly? Replace PWB-A (PF-205). Using the IC Port Data Check function, make an input port check on PWB-A Replace PC19 or PWB-M1. (MC) (IC1A) PG3. uC0902, C0903...
  • Page 362 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040217A 17) C0951: 4th Drawer Upward Motion Failure (Inch Areas) C0952: 4th Drawer Downward Motion Failure C0953: 4th Drawer Upward Motion Failure C0956: 4th Drawer Ejection Failure Relevant Electrical Parts D 4th Drawer Lift-Up Sensor PC23...
  • Page 363 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC0951 Step Check Item Result Action Does PC23 operate properly? Replace PWB-A (PF-205). Using the IC Port Data Check function, make an input port check on PWB-A Replace PC23 or PWB-M2. (MC) (IC1A) PF3. uC0952, C0953...
  • Page 364 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040218A 18) C0990: Main Tray Upward Motion Failure C0991: Main Tray Downward Motion Failure C0992: Main Tray Downward Motion Failure C0993: Main Tray Upward Motion Failure C0994: Elevator Motor M26’s Failure to Turn Relevant Electrical Parts...
  • Page 365 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC0990, C0991 Step Check Item Result Action Does PC19 operate properly? Change PF-105 PWB-A. Using the IC Port Data Check function, Check the Paper Take-Up Roll for op- make an input port check on PWB-A eration and, if it is operational, change (400) (IC1A) PG3.
  • Page 366 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040219A 19) C0998: Shifter Transfer Failure C0999: Shifter Return Failure C099A: Shifter Return Failure C099b: Shifter Transfer Failure C099C: Shift Motor M27’s Failure to Turn Relevant Electrical Parts D Shifter Home Position Sensor PC3 D Paper Shift Motor M27...
  • Page 367 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC0998, C0999 Step Check Item Result Action Does PC4 operate properly? Change PF-105 PWB-A. Using the IC Port Data Check function, make an input port check on PWB-A Change PC4, PWB-H, or flat cable. (400) (IC2A) PD1.
  • Page 368 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040220A 20) C099E: Shift Gate Position Detecting Failure C099F: Shift Gate Position Detecting Failure C0996: 3rd Drawer Lock Release Failure C0F79: Paper Empty Sensor Failure Relevant Electrical Parts D Shift Tray Paper Empty Sensor PC1 D 3rd Drawer Set Sensor PC7...
  • Page 369 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC099E, C099F Step Check Item Result Action Does PC34 operate properly? Change PF-105 PWB-A. Using the IC Port Data Check function, make an input port check on PWB-A Change PC34, PWB-H, or flat cable. (400) (IC1A) PC1.
  • Page 370 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040221A 21) C0d00: Duplex Unit Front/Rear Edge Guide Plate Home Position Detection Failure C0d20: Duplex Unit Gate Unit Home Position Detection Failure C0d50: Duplex Unit Drive Motor M31’s Failure to Turn C0d51: Duplex Unit Drive Motor M31 Turning at Abnormal Timing...
  • Page 371 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC0d00 Step Check Item Result Action Does M33 turn when the Front/Rear Check for overload. Edge Guide Plates are moved to a position other than home and the Du- Change M33 or PWB-G. plex Unit is slid in? Does PC9 operate properly? Change PWB-G.
  • Page 372 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040222A 22) C0E00: Main Erase Lamp LA2’s Failure to Turn ON C0E01: Main Erase Lamp LA2 Turning ON at Abnormal Timing Relevant Electrical Parts D Main Erase Lamp LA2 D Master Board PWB-A 1156C22TAA uC0E00 Step...
  • Page 373 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040223A 23) C0E20: Image Erase Lamp LA3’s Failure to Turn ON Relevant Electrical Parts D Image Erase Lamp LA3 D Master Board PWB-A 1156C23TAA Step Check Item Result Action Perform the “Controller Board Check.” Change PWB-A.
  • Page 374 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040224A 24) C0F02: Original Size Detecting Board UN2 Malfunction C0FE1 to C0FFF: Original Size Detecting Sensor Failure Relevant Electrical Parts D Original Size Detecting Sensor CD1 PC115 D Orignal Size Detecting Board UN2 D Original Size Detecting Sensor FD1 PC116...
  • Page 375 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 uC0F02 Step Check Item Result Action Are PJ62 on UN2 and PJ7A on PWB-A Plug them in securely. plugged in securely? Does the voltage across PJ7A-6 on Change PWB-A. PWB-A and GND vary between DC0V Change UN2.
  • Page 376 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040225A 25) C0F10: AE Sensor Board PWB-H Malfunction Relevant Electrical Parts D AE Sensor Board PWB-H D Master Board PWB-A 1156C17TAA Step Check Item Result Action Is the voltage across PWB-A PJ3A-3 Change PWB-H. and GND DC0.18V or less when the Scanner is at the home position, the Change PWB-A.
  • Page 377 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040226A 26) C0F20: AIDC Sensor Board PWB-G Variation Correction Failure C0F22: AIDC Sensor Board PWB-G Grid Voltage (Vg) Correction Failure C0F23: AIDC Sensor Board PWB-G Exposure Correction Failure Relevant Electrical Parts D AIDC Sensor Board PWB-G...
  • Page 378 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040227A 27) C0F30: ATDC Sensor UN3 Failure C0F31: ATDC Sensor UN3 Failure Relevant Electrical Parts D ATDC Sensor UN3 D Master Board PWB-A 1156C19TAA Step Check Item Result Action Is the malfunction code “C0F30” dis- Go to step 3.

  • Page 379: Power Malfunctions

    Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT0403A 4-3. Power Malfunctions 1156SBT040301A 1) Main Relay Does Not Turn ON. Relevant Electrical Parts D Power Switch S1 D Master Board PWB-A D Main Relay RY1 D Power Supply Board PWB-C D Power Supply Unit PU1...
  • Page 380 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 Step Check Item Result Action Is the source voltage applied to the cir- Change PWB-D. cuit across PJ1-1 and -2 on PU1? Is the voltage across PJ2-2 or -3 on Check the fuse on PU1 and, if it is in- PU1 and GND DC24V? tact, change PU1.
  • Page 381 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT040302A 2) Main Relay Turns ON But the Control Panel Gives No Display. Relevant Electrical Parts D Power Supply Unit PU1 D MSC Board PWB-B D Control Panel UN1 D Power Supply Board PWB-C 1156C21TAA Step...
  • Page 382 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT0404A 4-4. Miscellaneous D The message “Stabilizing Image Controller not run.” appears on the Touch Panel. Condition Detection Timing D Memory clear T/C is less than 4% when an F5 operation is D “PC Drum” of “Port/Option” counter is cleared.

  • Page 383: Image Failure

    Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1149SAT0500A IMAGE FAILURE 1149SBT0501A 5-1. Image Failure Troubleshooting Image failures have many possible causes. For troubleshooting, it is necessary to determine whether a fail- ure is attributable to a basic cause or any other cause. In this chapter, troubleshooting is divided into “initial checks” and “troubleshooting procedures classified by image failure”.
  • Page 384 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 6) Adjustment items (registration, focus, AE level, etc.) D Among the adjustment items given in DIS/REASSEMBLY, ADJUSTMENT, is there any adjustment that may remedy the image failure? 7) Controller Board Check D Is a malfunction code displayed when “Controller Board Check” in the Tech. Rep. mode is run?
  • Page 385 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1149SBT0503A 5-3. Troubleshooting Procedures Classified by Image Failure <Image Failure Samples> 1) Blank copy 2) Black copy 3) Low image density 4) Foggy background 5) Black streaks or bands 6) Black spots 7) Blank streaks or bands...
  • Page 386 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1149SBT050301A 1) Blank Copy Cause Step Check Item Result Action Charging failure Is the PC Drum Charge Co- Install correctly. rona installed correctly? Are the Comb Electrode Check and change if neces- wire and grid mesh normal? sary.
  • Page 387 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1149SBT050303A 3) Low Image Density Cause Step Check Item Result Action PC Drum life Does the PC Drum have Change the PC Drum. enough service life? Do the fan motors turn Troubleshoot the fan mo- properly? (Ozone deteriora- tors.
  • Page 388 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1149SBT050304A 4) Foggy background Cause Step Check Item Result Action Cleaning failure Is the Cleaning Blade dirty Change the Cleaning with foreign matter, paper Blade. dust, etc. or is it scratched? Optical failure Are the mirrors and lenses...
  • Page 389 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1149SBT050305A 5) Black Streaks or Bands Cause Step Check Item Result Action Uneven charging Are the Comb Electrode Clean or replace the PC and grid mesh dirty? Drum Charge Corona. Check the toner suction mechanism for operation.
  • Page 390 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1149SBT050307A 7) Blank Streaks or Bands Cause Step Check Item Result Action Plugged Db Is Db plugged with foreign Remove foreign matter. If matter, caked toner, etc.? the problem persists, change the developer. Drum charge failure...
  • Page 391 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1149SBT050308A 8) Void Areas Cause Step Check Item Result Action Image transfer fail- Is the Image Transfer Coro- Reinstall. na installed properly? Is the Image Transfer Coro- Clean or change the Image na wire dirty? Transfer Corona wire.
  • Page 392 Interleaf EP5000/EP4000 TROUBLESHOOTING 97.04.01 1156SBT000EA Copyright 1997 MINOLTA Co., Ltd. Printed in Japan Use of this manual should be strictly supervised to avoid disclosure of confidential information. MINOLTA CO., LTD. 1156-7998-11 97046000 Printed in Japan...

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