Epson Stylus Photo R800 Service Manual
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Epson Stylus Photo R800 Service Manual

Epson stylus photo r800 color inkjet printer - service manual
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SERVICE MANUAL
SERVICE MANUAL
Color Inkjet Printer
EPSON Stylus Photo R800
SEIJ03012
Download Service Manual And Resetter Printer at http://printer1.blogspot.com

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  • Page 1 SERVICE MANUAL SERVICE MANUAL Color Inkjet Printer EPSON Stylus Photo R800 SEIJ03012 Download Service Manual And Resetter Printer at http://printer1.blogspot.com...
  • Page 2 2. MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.

  • Page 3: About This Manual

    CHAPTER 6.MAINTENANCE Provides preventive maintenance procedures and the lists of May indicate an operating or maintenance procedure, practice or Epson-approved lubricants and adhesives required for servicing condition that is necessary to accomplish a task efficiently. It may the product. also provide additional information that is related to a specific...
  • Page 4 Revision Status Revision Date of Issue Description December 16, 2003 First Release May 27, 2004 Correction of the misspellings Download Service Manual And Resetter Printer at http://printer1.blogspot.com...

  • Page 5: Table Of Contents

    CONTENTS Chapter 1 PRODUCT DESCRIPTION 3.1 Overview ....................38 3.1.1 Troubleshooting according to panel messages ......38 1.1 Overview....................9 3.1.2 Superficial Phenomenon-Based Troubleshooting ......62 1.2 PG Setting ..................... 10 Chapter 4 DISASSEMBLY & ASSEMBLY 1.3 Functions ....................11 1.3.1 Control Panel ................
  • Page 6 7.1 Connector Summary ................162 7.1.1 Connectors and Pin Layouts ............162 7.2 Exploded Diagram ................163 7.3 Parts List for EPSON Stylus Photo R800 ......... 170 7.4 Component Layout................172 7.5 Circuit Diagram................... 174 Download Service Manual And Resetter Printer at http://printer1.blogspot.com...

  • Page 7: Chapter 1 Product Description

    C H A P T E R PRODUCT DESCRIPTION Download Service Manual And Resetter Printer at http://printer1.blogspot.com...

  • Page 8: Overview

    If they are clogged, performs head cleaning. If they are not recovered, and performs head The Stylus Photo R800 is a photo printer designed for a wide range of users cleaning and detection up to tree times.

  • Page 9: Pg Setting

    EPSON Stylus Photo R800 Revision A 1.2 PG Setting As this printer uses an Auto PG (APG), an appropriate PG position is set according to the used paper type. The following table indicates the PG positions, the main applications of each position, and the relationships between the two sensors used with the APG.

  • Page 10: Functions

    EPSON Stylus Photo R800 Revision A 1.3 Functions 1.3.4 Switch Functions FUNCTIONS IN NORMAL STATUS 1.3.1 Control Panel Table 1-2. Normal-status Functions The appearance of the control panel is shown below. Switch Function Power switch • Power On/Off Ink LED...

  • Page 11: Indicator Display In Normal Mode

    EPSON Stylus Photo R800 Revision A 1.3.5 Indicator Display in Normal Mode Table 1-4. Printer Condition and LED Status Indicators Printer status Error status Power Paper Priority Idle – – – Data Processing – Blink – – Pause * Status 05h –...

  • Page 12: Error Status

    EPSON Stylus Photo R800 Revision A 1.3.6 Error Status Table 1-5. General error Error Status Occurring Condition Resuming Condition If any of the following states is detected, this printer is put in an error status and Cutter Jam Error When Cutter can't cut the paper, it Switch power off and turns the interface signal -ERROR "Low"...

  • Page 13: Casing Specifications

    EPSON Stylus Photo R800 Revision A 1.4 Casing Specifications 1.5 Accessories EXTERNAL DIMENSIONS STANDARD ACCESSORIES Setup guide : 1 set When tucked : 495 (width) x 305 (depth) x 193 mm (height) Ink Cartridge (one for each of 8 colors)

  • Page 14: Chapter 2 Operating Principles

    C H A P T E R OPERATING PRINCIPLES Download Service Manual And Resetter Printer at http://printer1.blogspot.com...

  • Page 15: Overview

    EPSON Stylus Photo R800 Revision A 2.1 Overview The basic structure of the mechanism has the following features. The sensor dedicated to Auto Bi-D adjustment and auto nozzle check is This chapter explains the operating principles of the mechanical sections and installed.

  • Page 16: Carriage Mechanism

    EPSON Stylus Photo R800 Revision A 2.2.1 Carriage Mechanism CR measurement sequence To set the appropriate drive current value according to the variation of the The Carriage mechanism consists of the Carriage Motor (CR Motor), Carriage CR mechanical load, the mechanical load is measured in a CR Shafts, Platen Gap Adjustment Mechanism, Carriage Lock Mechanism, and measurement sequence and saved into the EEPROM A4<H>, A5<H>...
  • Page 17 EPSON Stylus Photo R800 Revision A 2.2.1.2 Carriage Home Position Detection 2.2.1.3 Sequence Used for PW Detection As in the conventional model, the Carriage Home Position is detected using the The PW (paper width detection) Sensor installed on the Carriage Unit bottom is drive current of the CR Motor and the speed/position signal of the CR Linear used to control the printer according to various sequences.
  • Page 18 EPSON Stylus Photo R800 Revision A Off-range restriction control 2.2.1.4 APG (Auto PG) Mechanism At the time of frameless printing, a paper leading edge is detected using The following indicates the APG DC motor specifications. the PW Sensor to restrict the frameless off-range amount.

  • Page 19: Printhead Specifications

    EPSON Stylus Photo R800 Revision A 2.2.2 Printhead Specifications 2.2.3 Paper Feeding Mechanism The Printhead of this product is a F-Mach head. The paper feeding mechanism indicates the mechanism that feeds paper or The following shows the arrangement of the nozzles and the color CD-R Tray to the PF Roller Shaft.
  • Page 20 EPSON Stylus Photo R800 Revision A 2.2.3.1 ASF Paper Feeding Mechanism Driven by the ASF Motor, the ASF Assy. performs the following feeding operation. The following indicates the ASF Assy. driving stepping motor specifications. 1. When a paper feeding command is issued from the PC or the Paper Switch Table 2-5.
  • Page 21 EPSON Stylus Photo R800 Revision A 2.2.3.3 Roll Paper Feeding When roll paper printing data is received (when cutter is not fitted) 1. After end of printing, press the Roll Paper Switch. Since panel operation in the roll paper mode differs from the above operation, the differences of panel operation after roll paper feeding will be described.
  • Page 22 EPSON Stylus Photo R800 Revision A 2.2.3.4 CD-R Printing Mechanism 9. The Carriage Unit moves to the CD-R Tray HP detectable position and stops there, and then the CD-R Tray is fed in the ASF CD-R tray home position detection sequence direction.

  • Page 23: Paper Loading Mechanism

    EPSON Stylus Photo R800 Revision A 2.2.4 Paper Loading Mechanism The driving force of the PF Motor is transmitted to the PF Roller and Paper Eject Roller in the following path. The Paper Loading Mechanism is designed to transfer the paper fed from the...
  • Page 24 EPSON Stylus Photo R800 Revision A The fed paper is detected by the PE Sensor, and its leading edge is then 2.2.4.2 PF Measurement Sequence transferred to the front of the Front Paper Guide. The mechanical load in the paper loading path is measured in the following...

  • Page 25: Ink System Mechanism

    EPSON Stylus Photo R800 Revision A 2.2.5 Ink System Mechanism 2.2.5.2 Drive Transmission Path to Pump Unit The drive of the Pump Motor is transmitted to the Pump Unit in the following The Ink System Mechanism consists of the following mechanisms.
  • Page 26 EPSON Stylus Photo R800 Revision A The following shows the Pump Unit operating principle. 2.2.5.3 Cap Unit The Cap Unit is designed to bring the Cap into close contact with the Print Cap Unit Side Head surface and suck ink by the driving force of the Pump Unit to secure air tightness in the Cap.

  • Page 27: Ink Sequence

    EPSON Stylus Photo R800 Revision A 2.2.6 Ink Sequence When current I/C consumption is the same (as ink consumption in EEPROM) The following ink sequence is executed according to various timer, counter, 1. When the initial filling flag is set and the CSIC side ink flag and other information saved on the EEPROM.
  • Page 28 The Independently of the printing path after the previous CL, perform manual Stylus Photo R800 requires about 150 seconds to perform the initial ink CL from CL1 to CL3 in order if the cumulative printing timer counter is less filling operation and consumes about 1/ 7 of the new ink cartridge.

  • Page 29: Paper Cutter Mechanism

    EPSON Stylus Photo R800 Revision A Timer cleaning 2.2.7 Paper Cutter Mechanism Ink is consumed depending on the combination of the cumulative printing The Paper cutter mechanism consists of such main parts as the Cutter Motor, timer, cumulative cleaning count and cleaning timer.
  • Page 30 EPSON Stylus Photo R800 Revision A 2.2.7.1 Cutter Initialization Sequence Paper cutting by the Cutter consists of the basic cutting sequences 1 and 2. Basic cutting sequences 1 When the Cutter is fitted, the Cutter initialization sequence is executed if the Means movement from the right HP Sensor to the left HP Sensor.

  • Page 31: Power-On Sequence

    EPSON Stylus Photo R800 Revision A 2.2.8 Power-On Sequence CARRIAGE UNIT OUTSIDE HP The following explains the operation to be performed when the Carriage Unit is 1. When the PG position is other than PG++ after power-on, the drive of the inside or outside the HP with the printer powered on.

  • Page 32: Electrical Circuitry Operating Principles

    2.3 Electrical Circuitry Operating Principles 2.3.1 Power Supply Circuit Operating Principle The power supply circuit board of this product is the C550 PSB/PSE. The electrical circuitry of Stylus Photo R800 consists of the following circuits. Basic circuit structure Control circuit board...

  • Page 33: C550 Main Circuit Operating Principle

    EPSON Stylus Photo R800 Revision A The following is the block diagram of the power supply circuit. 2.3.2 C550 MAIN Circuit Operating Principle The C550 MAIN Board consists of the following circuits and sensors. Logic Circuits (CPU-ASIC 2 in 1, PROM, SDRAM)

  • Page 34: Download Service Manual And Resetter Printer At Http://Printer1.Blogspot.com

    EPSON Stylus Photo R800 Revision A The following indicates differences between the control circuits of this product and conventional model. Adoption of 1.5V drive logic circuit components The 1.5V voltage is generated by the Regulator IC installed on the C550 MAIN Board that reduces +3.3VDC generated by the C550 PSB/PSE...
  • Page 35 EPSON Stylus Photo R800 Revision A The following is the block diagram of the C550 MAIN control board. CR Motor PROM IEEE 1394 IEEE 1394 (IC4, IC15) Motor (IC1) PF Motor Driver (IC5) Data Address APG Motor (IC2) SDRAM CPU-ASIC...

  • Page 36: Chapter 3 Troubleshooting

    C H A P T E R TROUBLESHOOTING Download Service Manual And Resetter Printer at http://printer1.blogspot.com...

  • Page 37: Overview

    EPSON Stylus Photo R800 Revision A 3.1 Overview This chapter describes unit-level troubleshooting. 3.1.1 Troubleshooting according to panel messages After checking the printer LED and EPW3 error indications, you can grasp the fault location using the check list in this section. When you have found the fault location, refer to Chapter 4 "Disassembly and Reassembly"...
  • Page 38 EPSON Stylus Photo R800 Revision A Table 3-2. Phenomenon-Based Communication Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name At power-on The printer does not operate Panel FFC 1. Check that the Panel FFC is securely connected to the 1.
  • Page 39 EPSON Stylus Photo R800 Revision A Table 3-2. Phenomenon-Based Communication Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name At power-on The printer does not operate Power Supply 3. Check that the Fuse (F1) on the Power Supply Board is not 3.
  • Page 40 1. Install the Stylus Photo R800 printer installed. driver. 2. Check that the connected printer is the Stylus Photo R800. 2. Connect the Stylus Photo R800 printer. Main Board 1. Check that a wrong model name has not been input to the 1.
  • Page 41 EPSON Stylus Photo R800 Revision A Table 3-3. Phenomenon-Based Cover Open Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name During printing Cover Open Error is Printer Cover 1. Check that the Printer Cover is not open.
  • Page 42 EPSON Stylus Photo R800 Revision A Table 3-4. Phenomenon-Based Paper Out Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name At operation When the Paper Switch was ASF Assy. 1. Check the LD Roller or Retard Roller of the ASF Assy. for 1.
  • Page 43 EPSON Stylus Photo R800 Revision A Table 3-4. Phenomenon-Based Paper Out Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name At operation Paper is not fed. ASF Motor 1. Check that the Connector cable of the ASF Motor is 1.
  • Page 44 EPSON Stylus Photo R800 Revision A Table 3-4. Phenomenon-Based Paper Out Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name At operation Though paper is fed from the PE Sensor 1. Check that the Connector cable of the PE Sensor is 1.
  • Page 45 EPSON Stylus Photo R800 Revision A Table 3-4. Phenomenon-Based Paper Out Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name The Paper Switch The CD-R Tray HP detection CD-R Tray 1. Check the HP detection position or white markings of the 1.
  • Page 46 EPSON Stylus Photo R800 Revision A Table 3-4. Phenomenon-Based Paper Out Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name The Paper Switch The trailing edge of the CD-R PW Sensor 1. Check that the PW Sensor FFC is placed in the specified 1.
  • Page 47 EPSON Stylus Photo R800 Revision A Table 3-5. Phenomenon-Based Paper Jam Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name At operation At the time of paper ejection, – 1. Check that the size of the fed paper is not larger than that 1.
  • Page 48 EPSON Stylus Photo R800 Revision A Table 3-6. Phenomenon-Based Card Loading Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name During printing Printing starts but paper is – 1. Check that the card size paper is loaded in the portrait 1.
  • Page 49 EPSON Stylus Photo R800 Revision A Table 3-7. Phenomenon-Based Paper Mismatch Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name At operation When print data are sent, an Stacker Assy. 1. Check that the Stacker Assy. setting position and paper 1.
  • Page 50 EPSON Stylus Photo R800 Revision A Table 3-10. Phenomenon-Based No Ink Cartridge/Ink Cartridge Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name At power-on After the Carriage has Ink Cartridge 1. Check that the Ink Cartridge is fitted properly.
  • Page 51 EPSON Stylus Photo R800 Revision A Table 3-10. Phenomenon-Based No Ink Cartridge/Ink Cartridge Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name At power-on After the Carriage has Carriage Unit 1. Check that the Electrodes in the Carriage, which make 1.
  • Page 52 2. Change the Cutter Motor for a new one. At roll paper The roll paper is cut only Cutter Unit 1. Check that the paper used is not other than the EPSON 1. Use the EPSON special media. cutting halfway.
  • Page 53 EPSON Stylus Photo R800 Revision A Table 3-12. Phenomenon-Based Cutter Position Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name At Cutter unit fitting At power-on, an error is Cutter Motor 1. Check that the Connector cable of the Cutter Motor is 1.
  • Page 54 EPSON Stylus Photo R800 Revision A Table 3-13. Phenomenon-Based Maintenance Request Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name At power-on At power-on, the printer does Waste Ink Pads 1. Using the Adjustment Program, check that the Protection 1.
  • Page 55 EPSON Stylus Photo R800 Revision A Table 3-14. Phenomenon-Based Fatal Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name At power-on At power-on, the CR Motor CR Motor 1. Check that the CR Motor connector cable is connected to 1.
  • Page 56 EPSON Stylus Photo R800 Revision A Table 3-14. Phenomenon-Based Fatal Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name At power-on The power-on sequence is CR drive 1. Check that the Carriage Shaft is lubricated with grease.
  • Page 57 EPSON Stylus Photo R800 Revision A Table 3-14. Phenomenon-Based Fatal Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name At power-on At power-on, the APG Motor APG Motor 1. Check that the APG Motor connector cable is connected to 1.
  • Page 58 EPSON Stylus Photo R800 Revision A Table 3-14. Phenomenon-Based Fatal Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name At power-on While the power-on APG Sensor 1. Check that the APG Sensor Connector cables are 1.
  • Page 59 EPSON Stylus Photo R800 Revision A Table 3-14. Phenomenon-Based Fatal Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name At power-on At power-on, the Carriage CR Scale 1. Check that the CR Scale is inserted in the slit of the CR 1.
  • Page 60 EPSON Stylus Photo R800 Revision A Table 3-14. Phenomenon-Based Fatal Error Check Points Occurrence Faulty Part/ Phenomenon Detail Check Point Remedy Timing Part Name At power-on At power-on, the PF Roller PF Scale 1. Check that the PF Scale is inserted in the slit of the PF 1.

  • Page 61: Superficial Phenomenon-Based Troubleshooting

    EPSON Stylus Photo R800 Revision A 3.1.2 Superficial Phenomenon-Based Troubleshooting This section applies to the fault locations of the error states (print quality fault and abnormal noise) other than the error states (LED and EPW3) in the previous section. Table 3-15. Print Quality Fault Check Points...
  • Page 62 EPSON Stylus Photo R800 Revision A Table 3-15. Print Quality Fault Check Points Faulty Part/ Print Quality State Phenomenon Detail Check Point Remedy Part Name Dot missing and [Phenomenon 2] Print Head 1. Check that each segment is printed correctly in the Nozzle 1.
  • Page 63 EPSON Stylus Photo R800 Revision A Table 3-15. Print Quality Fault Check Points Faulty Part/ Print Quality State Phenomenon Detail Check Point Remedy Part Name Dot missing and [Phenomenon 3] Ink Cartridge 1. Look at the remaining ink indication of the EPW3 to check 1.
  • Page 64 EPSON Stylus Photo R800 Revision A Table 3-15. Print Quality Fault Check Points Faulty Part/ Print Quality State Phenomenon Detail Check Point Remedy Part Name White streak/color Vertical stripes appear Adjustment 1. For printing in the Bi-D mode, check that the Bi-D 1.
  • Page 65 EPSON Stylus Photo R800 Revision A Table 3-15. Print Quality Fault Check Points Faulty Part/ Print Quality State Phenomenon Detail Check Point Remedy Part Name White streak/color White streaks/color Adjustment 1. Check that PF Adjustment is executed properly. 1. Perform PF Adjustment properly. (Refer...
  • Page 66 EPSON Stylus Photo R800 Revision A Table 3-15. Print Quality Fault Check Points Faulty Part/ Print Quality State Phenomenon Detail Check Point Remedy Part Name Ink stain of paper Ink stain occurs at the back Front Paper 1. Check that heaps of ink are not formed on the Front Paper 1.
  • Page 67 EPSON Stylus Photo R800 Revision A Table 3-15. Print Quality Fault Check Points Faulty Part/ Print Quality State Phenomenon Detail Check Point Remedy Part Name Ink stain of paper Ink sticks to other than the Lower Paper 1. Check the Lower Paper Guide for ink stain.
  • Page 68 EPSON Stylus Photo R800 Revision A Table 3-15. Print Quality Fault Check Points Faulty Part/ Print Quality State Phenomenon Detail Check Point Remedy Part Name Ink stain of paper Ink sticks to other than the Ink System Unit 1. Check that wiping operation was performed properly.
  • Page 69 EPSON Stylus Photo R800 Revision A Table 3-15. Print Quality Fault Check Points Faulty Part/ Print Quality State Phenomenon Detail Check Point Remedy Part Name Image graininess The image graininess is poor Improper 1. Check that PG, Bi-D and Head Angular Adjustments have 1.
  • Page 70 EPSON Stylus Photo R800 Revision A Table 3-16. Phenomenon-Based Abnormal Noise Check Point Faulty Part/ Print Quality State Phenomenon Detail Check Point Remedy Part Name – Printing operation is Carriage Shaft 1. Check that the Carriage Shaft is fully lubricated with 1.

  • Page 71: Chapter 4 Disassembly & Assembly

    C H A P T E R DISASSEMBLY & ASSEMBLY Download Service Manual And Resetter Printer at http://printer1.blogspot.com...

  • Page 72: Overview

    EPSON Stylus Photo R800 Revision A 4.1 Overview 4.1.1 Precautions Before starting the disassembling/reassembling work of this product, always This chapter describes procedures for disassembling and assembling this read the descriptions under the following headings "WARNING" and product. Unless otherwise specified, the disassembled units or main "CAUTION"...

  • Page 73: Tools To Be Used

    EPSON Stylus Photo R800 Revision A 4.1.2 Tools to Be Used When the printer model uses the HAV Ink Cartridges, transport it after removing the Ink Cartridges. Especially The following table indicates the tools recommended for use for disassembly, for air transportation, always remove the Ink Cartridges reassembly and adjustment.

  • Page 74: Screw List

    EPSON Stylus Photo R800 Revision A 4.1.3 Screw List Table 4-2. Used Screw List Appearance Specifications Appearance Specifications The following table lists the screws used in this product. When disassembling and reassembling the printer, refer to the following table and use the specified screws in the specified positions.

  • Page 75: Pre-Shipment Checks

    EPSON Stylus Photo R800 Revision A 4.1.4 Pre-Shipment Checks When returning this product to the user after completion of printer repair, check that the work is complete using the following table. Table 4-3. Servicing Completion Pre-Shipment Check List Class Component...

  • Page 76: Disassembly

    EPSON Stylus Photo R800 Revision A 4.2 Disassembly A disassembling flowchart is shown below. When disassembling any unit, refer to the page number shown in the following flowchart. START "Rear Housing" 4.2.1.1 Page 78 "Upper Housing" 4.2.1.2 Page 78 "Lower Housing/ "Cover Open...

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