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Epson L800 Service Manual

Color inkjet printer
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Инструкция для
Epson L800.
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8 800 775 98 98

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Summary of Contents for Epson L800

  • Page 1 Инструкция для Epson L800. Перейти в карточку товара 8 800 775 98 98...

  • Page 2: Service Manual

    SERVICE MANUAL Color Inkjet Printer L800/L801 Confidential SEMF10-008...
  • Page 3 SEIKO EPSON CORPORATION. All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them.

  • Page 4: Safety Precautions

    Safety Precautions All safety procedures described here shall be strictly adhered to by all parties servicing and maintaining this product. DANGER WARNING Strictly observe the following cautions. Failure to comply could result in Strictly observe the following cautions. Failure to comply may lead to personal serious bodily injury or loss of life.
  • Page 5 Strictly observe the following cautions. Failure to comply may lead to personal injury or damage of the product. 1. Repairs on Epson product should be performed only by an Epson certified 11. Be extremely careful not to scratch or contaminate the following parts.

  • Page 6: About This Manual

    About This Manual This manual, consists of the following chapters, is intended for repair service personnel and includes information necessary for properly performing maintenance and servicing the product. Manual Configuration Symbols Used in this Manual CHAPTER 1. DISASSEMBLY / REASSEMBLY Various symbols are used throughout this manual either to provide additional information on a specific topic or to warn of possible danger present during a Describes the disassembly/reassembly procedures for main parts/units of...
  • Page 7 Revision Status Revision Date of Issue Description April 6, 2011 First Release Confidential...

  • Page 8: Table Of Contents

    L800/L801 Revision A CONTENTS Chapter 1 Disassembly/Reassembly 1.5.13 CR Unit....................52 1.5.14 ASF Unit....................54 1.1 Overview ......................10 1.5.15 Upper Paper Guide ................56 1.1.1 Tools ......................10 1.5.16 APG Sensor Assy .................. 57 1.1.2 Checks and Precautions before Disassembling ........10 1.5.17 Front Paper Guide Assy ................
  • Page 9 L800/L801 Revision A 2.3 Banding Reduction System (BRS) Adjustment / Paper Feed Amount Profile (PFP) Correction......................83 2.3.1 Overview ....................83 2.3.2 Adjustment Procedure ................85 Chapter 3 Maintenance 3.1 Overview ......................89 3.1.1 Cleaning....................89 3.1.2 Service Maintenance ................89 3.1.3 Lubrication ....................
  • Page 10 C H A P T E R DISASSEMBLY/REASSEMBLY Confidential...

  • Page 11: Chapter 1 Disassembly/Reassembly

    1003963 2 pins (thinner than Ø2 mm) Strong tape 1032813 Note : All of the tools listed above are commercially available. EPSON provides the tools listed with EPSON tool code. Figure 1-1. How to Place the Ink Tank Assy Disassembly/Reassembly...
  • Page 12 1.1.2.2 Factors which Affect the Safety of Service Personnel such as EANS DO TO MINIMIZE THE INK SPILL Ink Leakage during Operation Ink may spill when removing the following parts from L800/L801. Even observing the points described in this section, ink may C A U T I O N This section describes the parts that may cause ink spill and the means to spill in the following situations.
  • Page 13 C H E C K Ink valve P O I N T the procedure for L800/L801 is the same; the numbers of the tube and the location of the Ink Supply Tank Assy in the photos are different from those of L800/L801, though.
  • Page 14 L800/L801 Revision A When the ink stops flowing from the tube, close the choke valve, and It is recommended that the ink in the Ink Supply Tank should C H E C K then connect the Ink Supply Tube back to the joint.

  • Page 15: Protection For Transportation

    L800/L801 Revision A 1.1.3 Protection for Transportation Securing the Ink Tank Secure both sides of the Top Cover with strong tape (x2). Before packing the printer for returning it to the user, secure it at the specified Align the unfolded end of strong tape (x5) with the edge of the...

  • Page 16: Making A Special Tool For Holder Contact

    L800/L801 Revision A Points to be checked before packing the printer 1.1.4 Making a Special Tool for Holder Contact The Holder Contact (refer to ) can be easily removed by using a special p.38 The Valve Lever is on the position All the caps of the Ink Supply Tank tool.

  • Page 17: Orientation Definition

    L800/L801 Revision A 1.1.5 Orientation Definition 1.1.6 How to Unlock the Carriage Orientation descriptions used in the disassembly/reassembly procedures are as Unlocking the carriage is required for disassembly of some parts or follows. components. Carry out any of the following operations to unlock the carriage and move the carriage to other than its home position.

  • Page 18: Disassembly/Reassembly Procedures

    L800/L801 Revision A 1.2 Disassembly/Reassembly Procedures Reference page (A) 1.2.1 Overview Black letters indicate a “ 1.5.8 Ink System (p45)” part/unit not supplied as Main Board Unit This section describes procedures for disassembling the parts/units in a an ASP. flowchart format. For some parts/units, detailed procedures or precautions are provided (accordingly indicated by icons and cell's color).

  • Page 19: Disassembly Flowchart

    L800/L801 Revision A 1.2.2 Disassembly Flowchart START Paper Support Printer Cover (p 19) Stacker Assy Stacker Cover Cover Ink Tube Foot Assy (p 24) (p 24) (p 35) “ 1.3.3 Stacker Assy / Stacker Cover (p25)” Paper Support Assy Housing Upper...
  • Page 20 L800/L801 Revision A (p 18) Valve Position Refilling Ink Tube Valve Top Cover Bottom Cover Valve Lever Top Cover Label Label Label Holder Rear (p 61) (p 61) (p 61) (p 62) (p 63) (p 62) (p 61) Tube Valve...
  • Page 21 L800/L801 Revision A (p 18) “ 1.4.1 Main Board Unit (p27)” *: There are four Tube Holders installed in this printer. Depending on the target parts or units, the number of Main Board Unit Tube Holder* Tube Holders you should remove differs.
  • Page 22 L800/L801 Revision A (p 20) (p 21) “ 1.5.12 CR Motor (p50)” Cover Case Extension Spring Porous Pad PF Encoder/ (p 22) Paper Guide PF Scale Front PF Motor (p 65) (p 57) Printer Driven Pulley Assy Mechanism (p 49)
  • Page 23 L800/L801 Revision A (p 21) “ 1.5.8 Ink System (p45)” “ 1.5.9 EJ Frame Assy (p46)” Ink System APG Unit Tube Guide Tube Guide Extension Spring Cable Holder Cable Holder Frame Frame Driven Pulley Assy Extension Spring Compression Spring 0.98...
  • Page 24 L800/L801 Revision A “ 1.5.14 ASF Unit (p54)” (p 22) (p 22) EJ Ground Retard Roller Combination LD Roller Spur Gear 16 Spring Holder Assy Gear 168.32.8 Shaft Assy LD Roller “ 1.5.17 Front Paper Guide Assy (p57)” (p 22)

  • Page 25: Removing Exterior Parts/Components

    L800/L801 Revision A 1.3 Removing Exterior Parts/Components 1.3.2 Paper Support Assy Removal procedure 1.3.1 Printer Cover Open the Paper Support Assy. Disengage the right shaft of the Paper Support Assy from the bushing of the Removal procedure ASF Unit by pushing the bushing outward. Then remove the Paper Support...

  • Page 26: Stacker Assy / Stacker Cover

    L800/L801 Revision A 1.3.3 Stacker Assy / Stacker Cover 1.3.4 Housing Upper Assy Removal procedure Removal procedure Open the Stacker Cover. Remove the four screws and remove the Upper Housing upward. Remove the Stacker Assy. Screw : C.B.P. M3x10 (tightening torque: 5-7 kgf.cm) Release the Stacker Cover from the two shafts and remove the Stacker Cover.
  • Page 27 L800/L801 Revision A Slide the Front Housing in the direction of the arrow and remove the Front Housing from the Upper Housing. Grooves [Rear Side] Front Housing Ribs Figure 1-21. Removing the Front Housing When installing the Upper Housing, be careful of the following: Do not pinch the cables.

  • Page 28: Removing Control Boards

    L800/L801 Revision A 1.4 Removing Control Boards Peel off the four acetate tapes that secures the following cables on the back of the Main Board Unit. Power Supply Cable 1.4.1 Main Board Unit CR Motor Cable PF Motor Cable Removal procedure...
  • Page 29 L800/L801 Revision A Remove the three screws and remove the Main Board Unit. After connecting the cables, secure them with acetate tape Screw (2 pcs.): C.B.P.(P2) M3x8 (tightening torque: 5-7 kgf.cm) following the procedures below. Screw (1 pc.): C.B.S. M3x6 (tightening torque: 7-9 kgf.cm) Route the Power Supply Cable closely along the Lower Shield (The numbers shown in the figure indicate the order of tightening the screws.)
  • Page 30 L800/L801 Revision A Disassembling the Main Board Unit Be careful of the sharp edges shown in the figure below when C A U T I O N Remove the Main Board Unit (p.27). assembling or reassembling. Do not apply unnecessary force on the screw receiving parts of C A U T I O N the Lower Shield Plate M/B, as they are easy to deform.

  • Page 31: Panel Assy/ Cover Open Sensor

    L800/L801 Revision A 1.4.2 Panel Assy/ Cover Open Sensor When removing the screw (2) shown in Fig.1-30, be careful not to C A U T I O N damage the Cover Open Sensor Cable and CDR Sensor Cable. Removal procedure...
  • Page 32 L800/L801 Revision A When Installing the Panel Assy, be careful of the following: As shown in Fig.1-32, route the CDR Sensor Cable and Cover Open Sensor Cable through the gap between the two ribs of Tighten the screws in the order given in Fig.1-30.
  • Page 33 L800/L801 Revision A Panel Board / Buttons Removal Disengage the hook on the back of the Panel Board and remove the Panel Board. Remove the Panel Assy. (p.30) Remove the two screws on the back of the Panel Assy, and remove the Panel [Back Side] Cover.
  • Page 34 L800/L801 Revision A Cover Open Sensor Removal When installing the Panel Unit, be careful of the following: When installing the Panel Shield Plate to the Open Sensor Remove the Panel Assy. (p.30) Holder, match the hook and guide pins with the positioning...

  • Page 35: P/S Assy

    L800/L801 Revision A 1.4.3 P/S Assy Removal procedure Peel off the acetate tape and remove the ferrite core from the groove of the Housing Lower. Remove the screw that secures the P/S Assy, and remove the P/S Assy from the Housing Lower.

  • Page 36: Disassembling The Printer Mechanism

    L800/L801 Revision A 1.5 Disassembling the Printer Mechanism Do not touch the PF Scale with bare hands or damage it. C A U T I O N If the Printer Mechanism is tilted leftward about 15°, the PF 1.5.1 Removing the Printer Mechanism Scale hits against the desk surface and can break.
  • Page 37 L800/L801 Revision A Release the Waste Ink Tube from the groove of the Waste Ink Tray. Remove the five screws and remove the Printer Mechanism. Release the CR Motor Cable from the two ribs of the Waste Ink Tray. Screw : C.B.P.(P2) M3x8 (tightening torque:5-7 kgf.cm)

  • Page 38: Printhead

    L800/L801 Revision A 1.5.2 Printhead When installing the Printer Mechanism, be careful of the following: Wipe off any ink on the joint portion of the Waste Ink Tube When removing the Head FFC Cover and the Head FFC before reconnecting the tube. Ink on the joint portion makes...
  • Page 39 L800/L801 Revision A While disengaging the hook of the Head FFC Cover Inner with a flathead Using the special tool (see p.15) disengage the hook B of the Holder Contact screwdriver, slide the Head FFC Cover Inner upward and remove it.
  • Page 40 L800/L801 Revision A Remove the three screws and remove the Printhead. Tighten the screws in the order given in Fig.1-53. Screw : C.B.P. M2.6x8 (tightening torque: 3-5 kgf.cm) (The numbers shown in the figure indicate the order of tightening the screws.)

  • Page 41: Cr Scale

    L800/L801 Revision A 1.5.3 CR Scale Install the CR Scale with its cut-corner facing upward. Hitch one end of the Torsion Spring to the hole of the CR Scale from the back side of During the disassembly/reassembly of the Printer Mechanism, C A U T I O N the CR Scale.

  • Page 42: Apg Unit

    L800/L801 Revision A 1.5.4 APG Unit Lubrication is required. See the page given below for the lubrication information. Removal procedure Lubrication of APG Unit (p.93) Remove the two screws taking care not to lose the gears, and remove the APG Install the APG Unit following the procedure below.

  • Page 43: Waste Ink Tray

    L800/L801 Revision A 1.5.5 Waste Ink Tray Install the APG Unit to the Main Frame. Removal procedure When removing the Waste Ink Tray, take extra care not to spill C A U T I O N ink and contaminate the printer and surroundings.

  • Page 44: Waste Ink Pad Lower / Waste Ink Pad Cap Lower

    L800/L801 Revision A 1.5.6 Waste Ink Pad Lower / Waste Ink Pad Cap Lower Whenever the Waste Ink Pad Lower is replaced, the required A D J U S T M E N T Removal procedure R E Q U I R E D adjustments must be carried out.

  • Page 45: Left & Right Guide Stackers / Cdr Guide Sensor

    L800/L801 Revision A 1.5.7 Left & Right Guide Stackers / CDR Guide Sensor When installing the Left Guide Stacker, insert the rib indicated with Fig.1-67 and match the positioning holes and guide Removal procedure pins indicated with (two pairs). When installing the Right Guide Stacker, match the Be careful of the seven sharp edges shown in Fig.1-66...

  • Page 46: Ink System

    L800/L801 Revision A 1.5.8 Ink System Move the CR Unit to the center. Remove the screw (1) that secures the Cap section. Screw : C.B.S. M3x6 (tightening torque: 7-9 kgf.cm) (The numbers shown in the figure indicate the order of tightening the screws.)

  • Page 47: Ej Frame Assy

    L800/L801 Revision A Remove the Ink System in the following procedures. 1.5.9 EJ Frame Assy 1.Slide it to the right. Removal procedure 2.Rotate it in the direction of the arrow (1) and release the pump part from Move the CR Unit to the home position side.
  • Page 48 L800/L801 Revision A Disconnect the PF Encoder FFC from the PF Encoder. Peel off the acetate tape to release the CDR Sensor Cable, and then remove the screws on the right and left sides, and remove the Front Frame. Remove the two screws, disengage the two hooks of the Cable Holder Frame from the Front Frame and Main Frame, and remove the Cable Holder Frame.
  • Page 49 L800/L801 Revision A When installing the EJ Frame Assy, be careful of the following: When installing the Front Frame, screw it after securing the foot of the two EJ Frame Springs to the slits as shown in the figure. Lubrication is required. See the page given below for the Carefully handle the EJ Frame as the springs come off easily.

  • Page 50: Pf Encoder / Pf Scale

    L800/L801 Revision A 1.5.10 PF Encoder / PF Scale 1.5.11 PF Motor Take extra care not to contaminate or scratch the PF Scale. Never Be careful not to damage the Pinion Gear of the PF Motor. C A U T I O N C A U T I O N touch the scale with bare hands.

  • Page 51: Cr Motor

    L800/L801 Revision A 1.5.12 CR Motor When assembling or disassembling the CR Motor, be careful of the C A U T I O N three sharp hooks of the Main Frame shown in Fig.1-86. Removal procedure Remove the Extension Spring of the Driven Pulley Assy from the rear side.
  • Page 52 L800/L801 Revision A When routing the CR Motor Cable and PE Sensor Cable, refer Lubrication is required. See the page given below for the Fig.1-88 and follow the steps below. lubrication information. Lubrication of Driven Pulley (p.90) 1. Wrap the CR Motor Cable with the acetate tape A (30 mm)

  • Page 53: Cr Unit

    L800/L801 Revision A 1.5.13 CR Unit Disengage the end of the Spring (2) from the hook, and the other end from the slit of the CR shaft, and remove the Spring (2). Removal procedure Remove the washer by expanding the gap between the washer and the Right PG Cam using a pair of Tweezers, and remove the Right PG Cam.
  • Page 54 L800/L801 Revision A Remove the CR Shaft from the CR Unit. Lubrication is required. See the page given below for the lubrication information. Lubrication of CR Unit (p.92) CR Unit CR Shaft Before attaching the right PG cam, remove the APG Unit and install the cam matching its phase with the APG Unit.

  • Page 55: Asf Unit

    L800/L801 Revision A 1.5.14 ASF Unit Remove the Torsion Spring 137.7 from the LD Roller Guide. Removal procedure Torsion Spring Removing the LD Roller Guide Move the CR Unit to the left (the opposite side to the home position). Remove the screw that secures the LD Roller Guide.
  • Page 56 L800/L801 Revision A Disengage the two hooks (1) (2) that secure the ASF Unit from the Main Frame. Lubrication is required. See the page given below for the lubrication information. Remove the Combination Gear (10,15.2), then remove the ASF Unit while Lubrication of ASF Unit (p.94)

  • Page 57: Upper Paper Guide

    L800/L801 Revision A 1.5.15 Upper Paper Guide The figure below is the Upper Paper Guide. The two thin shafts C H E C K P O I N T indicated with the arrows are likely to break, however, the Upper...

  • Page 58: Apg Sensor Assy

    L800/L801 Revision A 1.5.16 APG Sensor Assy 1.5.17 Front Paper Guide Assy Removal procedure Disengage the two hooks and remove the APG Sensor Assy. Do not touch the surface of the rubber roller of the EJ Roller Assy C A U T I O N...
  • Page 59 L800/L801 Revision A Disconnect the connector of the PE Sensor Cable on the rear side of the Remove the Front Paper Guide Assy, following the steps below. printer. (1) Lift part to disengage the left side of the Front Paper Guide Assy.
  • Page 60 L800/L801 Revision A When installing the Front Paper Guide Assy, pull out the CDR Place the four tips of the Front Paper Guide Pad on the Waste Tray Sensor cable as shown below. Ink Pad. CDR Tray Sensor Cable [Left Front Bottom Side]...

  • Page 61: Cdr Tray Sensor

    L800/L801 Revision A 1.5.18 CDR Tray Sensor Removal procedure Always follow the steps below to remove the CDR Tray Sensor, or C A U T I O N one of its hooks can be broken. Disengage the hook of the CDR Tray Sensor.

  • Page 62: Disassembling The Ciss Section

    L800/L801 Revision A 1.6 Disassembling the CISS section 1.6.2 Top Cover 1.6.1 Refilling Ink Label / Valve Position Label Refilling Ink Label 67 mm 103 mm Marking Marking When attaching the Top Cover Label, align it with the markings on the Top Cover as Valve Position Label shown in the figure above.

  • Page 63: Tube Valve Holder Front / Rear

    L800/L801 Revision A 1.6.3 Tube Valve Holder Front / Rear 1.6.4 Valve Lever Ink Supply Tank Tube Tube Valve Holder Rear Valve Case Tube Valve Holder Rear Ink Supply Tank Assy Tube Valve Holder Front Tube Valve Holder Rear Back side...

  • Page 64: Bottom Cover / Left Cover / Right Cover / Cover Joint

    L800/L801 Revision A 1.6.5 Bottom Cover / Left Cover / Right Cover / Cover Joint Left Cover Cover Joint Ink Supply Tank Assy Right Cover Bottom Cover Hook C.B.P. 3X6 (3-5kgf.cm) Be careful about how to place the Ink Supply Tank Assy in order to prevent printing failure from occurring. (See “How to place the Ink Tank Assy when disassembling/reassembling”...

  • Page 65: Ink Supply Tank Assy

    L800/L801 Revision A 1.6.6 Ink Supply Tank Assy 1.6.7 Ink Supply Tank Tube Assy Valve Case Tube Clamp Joint Ink Supply Tank 120 ± 1 mm 211 ± 1 mm Ink Supply Yellow 388 ± 4 mm Tank Tube Black 359 ±...

  • Page 66: Joint

    L800/L801 Revision A 1.6.8 Joint 1.6.9 Cover Case Back Front Front Frame Tank Side Tank Side Adapter Side Adapter Side Joint Joint Cover Case Ink Supply Tube 0.5 mm or less Joint The location where Front Frame may interfere. Cover Case...

  • Page 67: Pf Scale Cover / Pf Scale Sheet

    L800/L801 Revision A 1.6.10 PF Scale Cover / PF Scale Sheet 1.6.11 Tube Guide Sheet / Tube Guide Sheet Sub Tube Guide Sheet Main Frame PF Scale Cover Hole 1 Hole 2 Wiping Area Tube Guide Sheet Sub Section A...

  • Page 68: Ink Supply Tube Assy

    L800/L801 Revision A 1.6.12 Ink Supply Tube Assy Step1-2,4 Ink Supply Tube Assy CR Unit Ink Supply Tube Markings (on the back) Tube Clamps Joint side Ink Supply Tube Adapter Assy side Yellow Black Light Cyan Light Magenta Magenta Joint...

  • Page 69: Adapter Cover

    L800/L801 Revision A 1.6.13 Adapter Cover 1.6.14 Adapter Tube Guide Sheet Hook Hook Adapter Film Adapter Cover Dowel Connection of Ink Supply Tubes Adapter CR Unit Timing Belt Adapter Cover Hole Ink Supply Tube Assy Ink Supply Tube CBP. 3X8 (5-7kgf.cm) Hook Follow the procedure below when installing the Adapter Cover to the CR Unit.

  • Page 70: Chapter 2 Adjustment

    C H A P T E R ADJUSTMENT Confidential...

  • Page 71: Adjustment Items And Overview

    Some pictures in this manual are for Epson Stylus Photo R280/ R285/R290; therefore, the shapes of the parts are different from those of L800/L801, but the differences does not affect the 2.1.1 Servicing Adjustment Item List adjustment procedures.
  • Page 72 L800/L801 Revision A Table 2-1. Adjustment Items Adjustment Item Purpose Method Outline Tool • Adjustment Program This must be carried out after replacing the printhead in order to correct A head angular adjustment pattern is printed. Examine the printed lines Head angular adjustment tilt of the printhead by software.
  • Page 73 L800/L801 Revision A Table 2-2. Maintenance Items Maintenance Item Purpose Method Outline Tool • Adjustment Program This function is used to execute Cleaning efficiently when ink is not The cleaning can be selected from the normal cleaning or the power delivered from the Head properly, e.g.
  • Page 74 L800/L801 Revision A Table 2-3. Additional Functions Additional Functions Purpose Method Outline Tool • Adjustment Program Printer information Manual CL counter Use this to readout information on the printer The printer information is automatically readout. check operations. I/C change CL counter...

  • Page 75: Required Adjustments

    L800/L801 Revision A 2.1.2 Required Adjustments The table below lists the required adjustments depending upon the parts being repaired or replaced. Find the part(s) you removed or replaced, and check which adjustment(s) must be carried out. Note : <Meaning of the marks in the table>...
  • Page 76 L800/L801 Revision A Table 2-4. Adjustment Items Priority Adjustment Item Adjustment Item Part Name Remove Front Paper Guide Assy (including PF Shaft) Replace Remove PF Motor Replace Remove Waste Ink Tray Replace (Waste Ink Tray) Remove Waste Ink Pad Lower...
  • Page 77 L800/L801 Revision A Table 2-4. Adjustment Items Priority Adjustment Item Adjustment Item Part Name Remove Joint Replace Remove Printer Mechanism Replace Adjustment Adjustment Items and Overview Confidential...

  • Page 78: Using The Adjustment Program

    L800/L801 Revision A 2.2 Using the Adjustment Program 2.2.2 Head Angular Adjustment Two patterns are printed as shown below. This section describes how to judge the adjustment patterns printed by the Band pattern Adjustment Program. For information on how to operate the Adjustment The following pattern is printed.

  • Page 79: Bi-D Adjustment

    L800/L801 Revision A Microweave Pattern 2.2.3 Bi-D Adjustment The pattern shown below is printed for each of the 7 print modes. Figure 2-3. Head Angular Adjustment (Microweave) Pattern How to Judge Examine the printout +3 to -3 patterns and select the value for the group of which the gaps between the 2 color bars are the smallest.

  • Page 80: Pw Adjustment/First Dot Position Adjustment

    L800/L801 Revision A 2.2.4 PW Adjustment/First Dot Position Adjustment PW adjustment Patterns are printed as shown below. How to Judge 5 mm Enter the value for the line that is exactly 5mm away from the paper edge for -5 -4 -3 -2 -1 10 11 12 13 14 15 each of the left, right, top and bottom.

  • Page 81: Pf Adjustment

    L800/L801 Revision A 2.2.5 PF Adjustment PF- for bottom margin area PF- for standard print area Patterns are printed as shown below. Patterns are printed as shown below. Upper block Lower block Figure 2-7. PF Adjustment (bottom margin area) Pattern...

  • Page 82: Pg Adjustment

    Refer to “1.2.2 Disassembly Flowchart” (p.18). With L800/L801, four stages of PG setting are available by Table 2-5. PG Positions means of the APG Mechanism. However, make this adjustment Application for Printing with the mechanism in the minimum PG position (PG-: 1.2...
  • Page 83 L800/L801 Revision A Adjustment procedure The Printhead must come in contact with the 1.3 mm thickness C A U T I O N Specified PG value: 1.2 ± 0.1 mm gauges but must not come in contact with the 1.15 mm thickness gauges.

  • Page 84: Banding Reduction System (Brs) Adjustment / Paper Feed Amount Profile (Pfp) Correction

    Artisan 835/Epson Stylus Photo PX820FWD/TX820FWD Artisan 725/Epson Stylus Photo PX720WD/TX720WD Artisan 835/Epson Stylus Photo PX820FWD/TX820FWD Use the internal scanner. Epson WorkForce 630/Epson Stylus Office TX620FWD/ME Office 960FWD Artisan 725/Epson Stylus Photo PX720WD/TX720WD Use the internal scanner. Epson WorkForce 625/Epson Stylus Office BX525WD/Epson Stylus SX525WD...
  • Page 85 L800/L801 Revision A Adjustment Flow C H E C K Depending on the sensor type of the scanner to use for the Carry out the adjustment following the adjustment flow below. P O I N T adjustment, drying time required after the BRS adjustment pattern has been printed differs.

  • Page 86: Adjustment Procedure

    L800/L801 Revision A 2.3.2 Adjustment Procedure Scanning the BRS Adjustment Pattern Set the printed pattern and the PFP Base Scale on the document table and click the 2.3.2.1 BRS (Banding Reduction System) Adjustment [Scan] button on the “3. Scan Test Pattern” column.
  • Page 87 L800/L801 Revision A 2.3.2.2 PFP Adjustment Scanning the PFP Adjustment Pattern Set the PFP Base Scale and the PFP test pattern on the document table and click Printing the PFP Adjustment Pattern the [Scan] button on the “3. Scan Test Pattern” column.
  • Page 88 L800/L801 Revision A Printing the PFP Check Pattern Judging the Check Pattern Set 4 x 6 Premium Glossy Photo Paper on the paper support and click the [Print] Referring to Fig. 2-18 check that there is no white or overlapped bands in all the Button on the “4.

  • Page 89: Chapter 3 Maintenance

    C H A P T E R MAINTENANCE Confidential...

  • Page 90: Overview

    “Maintenance request error”, take the following actions to clear condition. the error. (This error is displayed in EPSON Status Monitor 3 and with LED.) 3.1.1 Cleaning 3.1.2.1 Printhead cleaning Except for the printhead, there are no other mechanical parts or units that require periodic cleaning.

  • Page 91: Lubrication

    L800/L801 Revision A 3.1.3 Lubrication <Lubrication Points> Two points on bushings for the Pulley The type and amount of the grease used to lubricate the printer parts are Driven Pulley Holder Shaft determined based on the results of the internal evaluations. Be sure to apply the...
  • Page 92 L800/L801 Revision A LUBRICATION OF FRONT PAPER GUIDE ASSY LUBRICATION OF EJ FRAME ASSY <Lubrication Points> <Lubrication Points> Front Paper Guide Assy (left) PF Roller Shaft, EJ Roller Shaft and EJ Frame Assy Busing Bushing (3 points) (Left/Right back side) EJ Frame Assy Bushing <Type>...
  • Page 93 L800/L801 Revision A <Lubrication Points> <Lubrication Points> Contact position of the Front Frame and PG Cam on both ends of CR Guide Shaft On the PG Cams attached to the both Front Frame contact point (right) the PE Frame Assy...
  • Page 94 L800/L801 Revision A LUBRICATION OF INK SYSTEM <Lubrication Points> Contact point between CR Contact point between CR Unit and the CR Guide Shaft Unit and CR Guide Shaft (1) <Lubrication Points> <Type> Contact point between On the Main Frame where the clutch...
  • Page 95 L800/L801 Revision A <Lubrication Points> <Lubrication Points> Rim of the APG Unit Spur Gear 28.8 Around the rim of the Spur Gear 28.8 Contact point between the LD Roller LD Roller Shaft (Curved surface) Shaft and the Hopper, ASF Gear <Type>...
  • Page 96 L800/L801 Revision A <Lubrication Points> Contact point between the LD Roller and Hopper, ASF Gear LD Roller Shaft (Curved surface) (Ribs beside the LD Roller) <Type> G-71 <Application Amount> ø 1 x 1/4-circle x 4 points <Application Timing> Apply before assembling the LD Roller Holder <Remarks>...

  • Page 97: Chapter 4 Appendix

    C H A P T E R APPENDIX Confidential...

  • Page 98: Power-On Sequence

    L800/L801 Revision A 4.1 Power-On Sequence Table 4-1. Operation of the power-on sequence Carriage/PF roller Operation movement and position This section describes the power-on sequences. 4. Releasing the CR lock Condition 4-1.The PF Motor rotates clockwise and releases the position Completing ink charge.
  • Page 99 L800/L801 Revision A Table 4-1. Operation of the power-on sequence Table 4-1. Operation of the power-on sequence Carriage/PF roller Carriage/PF roller Operation Operation movement and position movement and position 6-2.The PF Motor rotates clockwise while monitoring 11.Setting the APG to PG-- the PG Sensor.

  • Page 100: Standard Operation Time For Servicing The Product

    L800/L801 Revision A Table 4-1. Operation of the power-on sequence 4.2 Standard Operation Time for servicing the product Carriage/PF roller Operation movement and position The following are the standard operation time for servicing the product. Those 13-2.The carriage slowly moves to the 0-digit side.
  • Page 101 L800/L801 Revision A Table 4-2. Standard Operation Time Table 4-2. Standard Operation Time Time (second) Time (second) Parts/Unit Parts/Unit Replacement Adjustment Total Replacement Adjustment Total APG Unit Driven Pulley Holder 1178 1178 Spur Gear 28.8 CR Motor 1193 1587 Compression Spring 2.25...
  • Page 102 L800/L801 Revision A Table 4-2. Standard Operation Time Table 4-2. Standard Operation Time Time (second) Time (second) Parts/Unit Parts/Unit Replacement Adjustment Total Replacement Adjustment Total ASF Unit 1397 1956 Joint 1200 1376 Holder Roller Retard Assy 1484 1484 Adapter 1200 1520 Combination Gear 16.8,32.8...

  • Page 103: Troubleshooting

    L800/L801 Revision A 4.3 Troubleshooting This section describes the troubleshooting workflow and fatal error information. 4.3.1 Troubleshooting Workflow The following page describes the troubleshooting workflow. Follow the flow when troubleshooting problems. Appendix Troubleshooting Workflow Confidential...
  • Page 104 Our experience regarding the quality problem. • Gear replacement ink mist ESK’s repair data on FY08 / FY09 models. [Major Troubleshooting] • LD Roller replacement • LD Roller Shaft cleaning Printer Mechanism specification for L800/L801. Finish Appendix Troubleshooting Workflow Confidential...

  • Page 105: Fatal Error Code

    L800/L801 Revision A 4.3.2 Fatal Error Code Table 4-3. Fatal Error List Error This section describes the fatal error code and the possible cause for this Error type Error name Possible cause code product. • PF Motor failure PF PID acceleration lock •...
  • Page 106 L800/L801 Revision A Table 4-3. Fatal Error List Table 4-3. Fatal Error List Error Error Error type Error name Possible cause Error type Error name Possible cause code code Transistor temperature Mainte- • The maintenance counter has reached a limit.
  • Page 107 Epson L800. Описание Характеристики Отзывы...

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