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Epson Stylus PHOTO 820 Service Manual

Color inkjet printer
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SERVICE MANUAL

Color Inkjet Printer
EPSON Stylus PHOTO 810/820
®
SEIJ01006

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Summary of Contents for Epson Stylus PHOTO 820

  • Page 1: Service Manual

    SERVICE MANUAL Color Inkjet Printer EPSON Stylus PHOTO 810/820 ® SEIJ01006...
  • Page 2 The contents of this manual are subject to change without notice. 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 3 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 4: About This Manual

    It may also provide additional information that is Provides preventive maintenance procedures and the related to a specific subject, or comment on the results lists of Epson-approved lubricants and adhesives achieved through a previous action. required for servicing the product.
  • Page 5 Revision Status Revision Issued Date Description 2001/8/23 First Release...

  • Page 6: Table Of Contents

    PRODUCT DESCRIPTION Overview ...................... 28 Printer Mechanism .................. 28 FEATURES ....................9 Printhead ....................29 SPECIFICATIONS..................10 Printing Process 30 Physical Specification................10 Printing Method 30 Printing Specification................10 Carriage Mechanism ................31 Paper Feeding..................11 Paper Loading/Feeding Mechanism ............32 Paper Specification .................
  • Page 7 Work Completion Check................83 Electrical Circuits ..................142 Disassembly ....................84 Upper housing removal ................85 Printhead removal ................... 87 CR unit removal..................89 CR motor removal ................... 92 ASF unit removal..................93 PSB/PSE unit removal ................95 Holder shaft unit removal ................ 98 Circuit board removal ................

  • Page 8: Product Description

    C H A P T E R PRODUCT DESCRIPTION...

  • Page 9: Features

    EPSON Stylus PHOTO 810/820 Revision A 1.1 FEATURES The major features of EPSON color inkjet dot matrix printer EPSON Stylus PHOTO 810/820 are: High Color Print Quality 2880 (H) X 720 (V) dpi printing Six Color Printing (YMCKmc) Traditional and New Microweave...

  • Page 10: Specifications

    EPSON Stylus PHOTO 810/820 Revision A 1.2 SPECIFICATIONS Print Direction Bi-direction with logic seeking This section covers specifications of the printer. Print Speed & Printable Columns 1.2.1 Physical Specification Table 1-1. Character mode (Black only) Weight : 3.42 kg (without the ink cartridges)

  • Page 11: Paper Feeding

    EPSON Stylus PHOTO 810/820 Revision A Typeface 1.2.4 Paper Specification Bit map LQ font : EPSON Courier 10 CPI 1.2.4.1 Plain Paper Input Data Buffer Table 1-4. Plain paper 32 KB Width Length Thickness Weight Item Quality (mm) (mm) (mm) (g/m 1.2.3 Paper Feeding...

  • Page 12: Envelope

    EPSON Stylus PHOTO 810/820 Revision A 1.2.4.2 Envelope 1.2.4.3 Exclusive paper Quality: EPSON Exclusive paper Table 1-5. Envelope Width Length Thickness Weight Transparency printing is only available at normal temperature Item Quality * (mm) (mm) (mm) (g/m Table 1-6. Exclusive paper No.10...
  • Page 13 Use paper under normal conditions : Temperature 15 to 25° ° ° ° C (59 Letter 215.9 279.4 to 77° ° ° ° F) Humidity 40 to 60% RH Card EPSON Photo Quality Glossy Film and Self Adhesive Sheets Photo Paper 0.23 194 (52lb) should be stored under the following conditions : Photo Paper Temperature 15 to 30°...

  • Page 14: Printing Area

    EPSON Stylus PHOTO 810/820 Revision A 1.2.5 Printing Area 1.2.5.1 Cut Sheet Refer to the following table. As for each margin area, refer to Figure 1-3. Table 1-7. Printing area Left margin Right margin Top margin Black bottom margin Paper size (min.) **...

  • Page 15: Envelopes

    EPSON Stylus PHOTO 810/820 Revision A 1.2.5.2 Envelopes 1.2.6 Ink Cartridge Specification Refer to the following table. As for each margin area, refer to Figure 1-4. 1.2.6.1 Black Ink Cartridge Type : Exclusive Cartridge Table 1-8. Envelope margin Color : Black...

  • Page 16: Color Ink Cartridge

    EPSON Stylus PHOTO 810/820 Revision A 1.2.6.2 Color Ink Cartridge 1.2.7 Electric Specification Type : Exclusive Cartridge [120V Version] Color : Magenta, Cyan, Yellow, Light Cyan, Light Magenta Rated Voltage : AC120V Print Capacity : 220 pages / A4 (360 dpi, 5% duty each color)

  • Page 17: Environmental Condition

    EPSON Stylus PHOTO 810/820 Revision A 1.2.8 Environmental Condition 1.2.9 Reliability Temperature Total Print Volume : 16,000 pages (A4, Letter) or 5 years although less than 16,000 pages printing Operating : 10 to 35 C (refer to Figure 1-7) Print Head Life...

  • Page 18: Interface

    EPSON Stylus PHOTO 810/820 Revision A 1.3 INTERFACE DATA data byte n data byte n+1 The EPSON Stylus PHOTO 810/820 provides USB and parallel interface as standard. hold -STROBE 1.3.1 Parallel Interface (Forward Channel) next setup Transmission Mode : 8 bit parallel, IEEE-1284 compatibility mode...
  • Page 19 EPSON Stylus PHOTO 810/820 Revision A Table 1-10. Typical time of tack Table 1-12. Connector pin assignment and signals Parallel I/F mode Typical time of tack Return Pin No. Signal name In/Out Functional description GND pin High Speed 0.5us The strobe pulse. Read-in of data is...
  • Page 20 EPSON Stylus PHOTO 810/820 Revision A Table 1-12. Connector pin assignment and signals (continued) Return Pin No. Signal name In/Out Functional description GND pin Pulled up to +5V via 3.3K ohm resistor. Chassis GND Chassis GND. 16,33, Signal GND. 19-30 15,34 Not connected.

  • Page 21: Parallel Interface (Reserve Channel)

    EPSON Stylus PHOTO 810/820 Revision A 1.3.2 Parallel Interface (Reserve Channel) Table 1-13. Connector pin assignment and signals (continued) Return Transmission Mode : IEEE-1284 nibble mode Pin No. Signal name In/Out Functional description GND pin Adaptable Connector : See forward channel...

  • Page 22: Usb Interface

    EPSON Stylus PHOTO 810/820 Revision A Device ID: 1.3.3 USB Interface The printer sends the following device ID string when it is requested. Standard : Based on “Universal Serial Bus Specifications Rev. 1.1” When IEEE1284.4 is enabled, “Universal Serial Bus Device Class Definition For EAI spec for Printing Devices Version 1.1”...

  • Page 23: Prevention Hosts Of Data Transfer Time-Out

    EPSON Stylus PHOTO 810/820 Revision A 1.3.4 Prevention Hosts of Data Transfer Time-out An initial state is IEEE1284.4 communication and data that received it by the time Generally, hosts abandon data transfer to peripherals when a peripheral is in the busy it is able to take synchronization by magic string (1284.4 synchronous commands)

  • Page 24: Panel Control

    1.4.1 Indicators (LEDs) (1) Power The control panel of the EPSON Stylus PHOTO 810/820 is composed of the 2 non- Lights when the operating switch is “ON” and AC power is supplied. lock type push-buttons, 1 lock-type push-button, and 2 LEDs, as shown figure below.

  • Page 25: Panel Functions

    EPSON Stylus PHOTO 810/820 Revision A 1.4.2 Panel Functions 1.4.3 Printer Condition and Panel Status Table 1-17. Printer condition and LED status Table 1-15. Panel functions Indicators Printer status Priority Switch Function Power Error • Loads or Ejects the Paper (Pushing within 3seconds).

  • Page 26: Error Status

    EPSON Stylus PHOTO 810/820 Revision A 1.4.4 Error Status 1.4.5 Printer Initialization Ink end error There are four kinds of initialization method, and the following explains each When the printer runs out the most amount of the ink of any one color, it indicates initialization.

  • Page 27: Operating Principles

    C H A P T E R OPERATING PRINCIPLES...

  • Page 28: Overview

    EPSON Stylus PHOTO 810/820 Revision A 2.1 Overview Paper eject roller PF motor This section describes the operating principles of the Printer mechanism and electrical circuit boards. Like the previous printers (Stylus COLOR 480/580), the Stylus PHOTO PF roller 810/820 has only the following two circuit boards and does not have the control panel Star wheel roller board.

  • Page 29: Printhead

    EPSON Stylus PHOTO 810/820 Revision A 2.1.2 Printhead PZT is an abbreviation of Piezo Electric Element. Based on the drive waveform The Printhead uses the same U-CHIPS type as the previous printer (Stylus COLOR generated on the Main board, the PZT selected by the nozzle selector IC on the 680), and makes it possible to perform multiple shot printing and variable dot printing.

  • Page 30: Printing Process

    EPSON Stylus PHOTO 810/820 Revision A 2.1.2.1 Printing Process 2.1.2.2 Printing Method This section explains the process which the Printheads of On-Demand inkjet printers For printing dot system, the Stylus PHOTO 810/820 has the following two kinds of eject ink from each nozzle.

  • Page 31: Carriage Mechanism

    EPSON Stylus PHOTO 810/820 Revision A 2.1.3 Carriage Mechanism The drive of the CR motor is transmitted to the CR unit via the CR timing belt. And, the CR home position is detected with the HP/PE sensor. This sensor is available as the The Carriage mechanism consists of CR motor, Carriage unit (including the Printhead CR home position sensor while the CR motor operates in each sequence.

  • Page 32: Paper Loading/Feeding Mechanism

    EPSON Stylus PHOTO 810/820 Revision A 2.1.4 Paper Loading/Feeding Mechanism The drive of the PF motor is transmitted to the LD roller shaft and the PF roller through gears for the Paper loading/feeding mechanism. The Paper loading mechanism plays a The following stepping motor controls the Paper loading/feeding mechanism on this role in loading a paper from the ASF unit to the PF roller.

  • Page 33: Paper Loading Mechanism (Asf Unit)

    EPSON Stylus PHOTO 810/820 Revision A For your reference, the top or the end of a paper is usually detected with the HP/PE 2.1.4.1 Paper Loading Mechanism (ASF unit) sensor. In case that the HP/PE sensor cannot detect the top of a paper in the paper The Paper loading mechanism consists of the Change lever in the Pump unit, the loading sequence, the printer indicates the "Paper out error".

  • Page 34: Operating Principles

    EPSON Stylus PHOTO 810/820 Revision A Step 1 (ASF Home position) Step 2 Hopper & Paper return plate condition Hopper & Paper return plate condition LD roller shaft LD roller When a paper is loaded When the PF motor pinion...
  • Page 35 EPSON Stylus PHOTO 810/820 Revision A Step 3 Step 4 Hopper & Paper return plate condition Hopper & Paper return plate condition Paper return While the LD roller rotates plate The PF motor pinion gear CW direction (right side Compression...

  • Page 36: Paper Feeding Mechanism

    EPSON Stylus PHOTO 810/820 Revision A 2.1.4.2 Paper Feeding Mechanism Another pair is the Paper eject roller and the Star wheel which is assembled on the Front frame. The drive of the PF motor is transmitted to the Star wheel through the The Paper feeding mechanism consists of PF motor, PF roller, Paper eject roller Paper eject roller.

  • Page 37: Ink System Mechanism

    EPSON Stylus PHOTO 810/820 Revision A 2.1.5 Ink System Mechanism 2.1.5.1 Capping Mechanism The Ink system mechanism consists of Pump mechanism with Carriage lock The Capping mechanism covers the Printhead with the Cap to prevent the nozzle from mechanism and Capping mechanism with Wiper mechanism. Following table lists increasing viscosity when the printer is in stand-by state or when the printer is off.
  • Page 38 EPSON Stylus PHOTO 810/820 Revision A Wiper with the Cap unit The wiping operation is controlled by the CR unit movement. This operation is usually performed with every CL sequence which is to absorb the ink from the ink cartridge, the ink cavity by the Pump unit. Following figure shows you the mechanism for the wiping operation.

  • Page 39: Pump Unit Mechanism

    EPSON Stylus PHOTO 810/820 Revision A 2.1.5.2 Pump unit mechanism Ink eject operation (usual operation) The ink is absorbed from the ink cartridge, the ink cavity and is ejected to the The PF motor also controls the Pump unit mechanism (including the Change lever) as Waste drain ink pad from the cap when the ink tube is pressed by a roller in the well as the Paper loading/feeding mechanism.

  • Page 40: Ink Sequence

    EPSON Stylus PHOTO 810/820 Revision A Carriage lock operation by the Change lever 2.1.6 Ink Sequence Unlike the previous printer (Stylus COLOR 680), this printer does not have the Initial ink charge Carriage lock lever with the Wiper. After the printer is purchased and the power is turned on for the first time, the Instead of the Carriage lock lever, the Change lever is set to the front side of the printer must perform the initial ink charge to charge the ink inside the ink cavity.
  • Page 41 EPSON Stylus PHOTO 810/820 Revision A CL1" cleaning period is over the specific period, the printer performs the timer cleaning automatically. In this time, the printer stores the timer command in 02 <H>, 03 Ink absorption <H>, 04 <H> and 05 <H> of the EEPROM.

  • Page 42: Electrical Circuit Operating Principles

    EPSON Stylus PHOTO 810/820 Revision A 2.2 Electrical Circuit Operating Principles 2.2.1 C417 PSB/PSE board The power supply boards of the Stylus PHOTO 810/820 uses a RCC (Ringing Chalk The electric circuit of the Stylus C60 consists of the following boards.
  • Page 43 EPSON Stylus PHOTO 810/820 Revision A Regardless of the state of the power switch (On or OFF), the voltage is always applied to the primary side of the power supply board from the moment or at the PSC Signal from state that AC-plug is plugged in.
  • Page 44 EPSON Stylus PHOTO 810/820 Revision A +42Vline over voltage protection circuit : The output voltage line is monitored by ZD52 and ZD87. If the output voltage level of +42VDC line exceeds +48V, this circuit stops the operation of the switching FET Q1 via PC1,Q82 and Q83, and prevents high voltage from being applied to the secondary side.

  • Page 45: C418 Main/Main-B Board

    EPSON Stylus PHOTO 810/820 Revision A 2.2.2 C418 MAIN/MAIN-B Board Unlike the previous printer (Stylus COLOR 680), the panel board is eliminated and the switches/LED lights are mounted on the Main board. The logic circuit of the C418 Main/Main-B board is composed of the follows;...

  • Page 46: Main Elements

    EPSON Stylus PHOTO 810/820 Revision A 2.2.2.1 Main Elements Table 2-8 shows the function of the each main elements on C418 Main/Maia-B board. Table 2-8. Main elements Location Function CPU mounted on the MAIN board is driven by clock E01A21CB frequency 48 MHz, 24MHz and controls the printer.

  • Page 47: Printhead Driver Circuit

    EPSON Stylus PHOTO 810/820 Revision A 2.2.2.2 Printhead Driver Circuit The printhead driver circuit consists of the following two components: Head common driver circuit (Common driver IC19 & Wave amplifier +4.2V +3.3V Common Nozzle transistor Q2, Q3) Driver(IC19) (IC1) Selector IC...

  • Page 48: Pf Motor (Pf/ Pump/ Asf Motor) Driver Circuit

    EPSON Stylus PHOTO 810/820 Revision A 2.2.2.3 PF Motor (PF/ PUMP/ ASF Motor) Driver Circuit 2.2.2.4 CR Motor Driver Circuit The motor driver IC (IC10) on the Main board drives PF motor. This product uses 4- The motor driver IC (IC11) on the Main board drives CR motor. This product uses 4-...

  • Page 49: Reset Circuit

    EPSON Stylus PHOTO 810/820 Revision A 2.2.2.5 Reset Circuit 2.2.2.6 EEPROM Control Circuit Reset IC (IC2) on the MAIN board monitors the two voltage: +5V for the logic line When the printer power is turned off, the following information is stored in EEPROM and +42V for the drive line.

  • Page 50: Sensor Circuit

    EPSON Stylus PHOTO 810/820 Revision A 2.2.2.7 Sensor Circuit CPU (IC1) on the Main board monitors the status of the printer by several sensors. E01A24CA However, unlike the previous product, ASF unit on this printer does not have ASF HPPV sensor.

  • Page 51: Troubleshooting

    C H A P T E R TROUBLESHOOTING...

  • Page 52: Overview

    EPSON Stylus PHOTO 810/820 Revision A 3.1 Overview Table 3-1. Motor, coil resistance Motor Location Check point Resistance This chapter describes how to identify troubles in two levels: unit level repair and component level repair. Refer to the flowchart in this chapter to identify the defective Pin 1 and 3 7.8 Ohms 10%...

  • Page 53: Troubleshooting With Led Error Indications And Status Monitor 3 Message

    EPSON Stylus PHOTO 810/820 Revision A 3.2 Troubleshooting with LED Error Indications and Status Monitor 3 Message This section describes the LED indication, the STM3 message and the error detection condition when the printer detects an error condition in each sequence/operation (such as the power on sequence, the paper loading/feeding sequence, the ink absorption sequence, Table 3-3.
  • Page 54 EPSON Stylus PHOTO 810/820 Revision A Table 3-3. Error indication and status monitor 3 Indicators Printer status Status monitor 3 message Condition for error detection Power Error This error is detected when ; 1) the end of a paper is not correctly detected...
  • Page 55 EPSON Stylus PHOTO 810/820 Revision A Table 3-3. Error indication and status monitor 3 Indicators Printer status Status monitor 3 message Condition for error detection Power Error This error is detected when ; No ink cartridge 1) the ink cartridge is not installed to the CR (Black and Color) unit.
  • Page 56 Stylus Photo 720 Revision B Table 3-3. Error indication and status monitor 3 Indicators Printer status Status monitor 3 message Condition for error detection Power Error This error is detected when the ink consumption amount reaches about 90%. [Bk I/C] [Note] Blink ->...
  • Page 57 EPSON Stylus PHOTO 810/820 Revision A Table 3-3. Error indication and status monitor 3 Indicators Printer status Status monitor 3 message Condition for error detection Power Error This error is detected when the 2nd or more ink Error before the ink...

  • Page 58: Unit Level Troubleshooting

    EPSON Stylus PHOTO 810/820 Revision A 3.3 Unit Level Troubleshooting The following is the example of how to use the table. When the CR unit is out of the home position at the power on timing, the fatal error may be caused by the failure of the CR motor. Moreover, there are 3 possible causes on You can identify the troubles by using the checklist in this section after confirming the the CR motor failure.
  • Page 59 EPSON Stylus PHOTO 810/820 Revision A Table 3-5. Check point for the fatal error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the CR motor connector cable is connected to 1.
  • Page 60 EPSON Stylus PHOTO 810/820 Revision A Table 3-5. Check point for the fatal error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the CR home position is correctly detected with 1.
  • Page 61 EPSON Stylus PHOTO 810/820 Revision A Table 3-6. Paper jam error condition and possible cause LED indication Occurrence CR position at the Error condition Unit/Part name Possible cause Check table STM3 message timing power on timing The Torsion spring 0.22 for HP sensor lever comes off.
  • Page 62 EPSON Stylus PHOTO 810/820 Revision A Table 3-7. Check point for the paper jam error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the PF motor connector cable is connected to 1.
  • Page 63 EPSON Stylus PHOTO 810/820 Revision A Table 3-7. Check point for the paper jam error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the Torsion spring 0.22 for the HP sensor lever 1.
  • Page 64 EPSON Stylus PHOTO 810/820 Revision A Table 3-7. Check point for the paper jam error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the Paper guide upper/left is correctly 1.
  • Page 65 EPSON Stylus PHOTO 810/820 Revision A Table 3-8. Paper out error condition and possible cause LED indication Occurrence CR position at the Error condition Unit/Part name Possible cause Check table STM3 message timing power on timing Power : On The Compression spring 1.764 comes off.
  • Page 66 EPSON Stylus PHOTO 810/820 Revision A Table 3-9. Check point for the paper out error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the Tension spring 0.143 comes off in the Clutch 1.
  • Page 67 EPSON Stylus PHOTO 810/820 Revision A Table 3-9. Check point for the paper out error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the Paper return plate disturbs the rotation of 1.
  • Page 68 EPSON Stylus PHOTO 810/820 Revision A Table 3-10. Communication error condition and possible cause LED indication Occurrence CR position at the Error condition Unit/Part name Possible cause Check table STM3 message timing power on timing Main board The Main board is defective.
  • Page 69 EPSON Stylus PHOTO 810/820 Revision A Table 3-12. Error condition before the initial ink charge/the I/C replacement CL and possible cause & Ink out error and possible cause LED indication * Occurrence CR position at the Error condition Unit/Part name...
  • Page 70 EPSON Stylus PHOTO 810/820 Revision A Table 3-13. Check point for the error before the initial ink charge according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if ink cartridge can be used by install it to other 1.
  • Page 71 EPSON Stylus PHOTO 810/820 Revision A Table 3-16. Abnormal noise LED indication Occurrence CR position at the Error condition Unit/Part name Possible cause Check table STM3 message timing power on timing CR unit The lubrication amount of the grease is insufficient.
  • Page 72 EPSON Stylus PHOTO 810/820 Revision A Table 3-18. Poor printing quality Occurrence CR position at the Error condition Phenomenon Unit/Part name Possible cause Check table timing power on timing The seal rubber portion of the Cap has any foreign material or any damage.
  • Page 73 EPSON Stylus PHOTO 810/820 Revision A Table 3-18. Poor printing quality Occurrence CR position at the Error condition Phenomenon Unit/Part name Possible cause Check table timing power on timing Lower housing The porous pad for the “no margin” printing comes off.
  • Page 74 EPSON Stylus PHOTO 810/820 Revision A Table 3-19. Check point for the poor printing quality Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if there is any foreign material around the seal 1. Remove the foreign material around the seal rubber parts on the Cap unit.
  • Page 75 EPSON Stylus PHOTO 810/820 Revision A Table 3-19. Check point for the poor printing quality Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 7. Check if the Slider lock lever is damaged. 7. Replace the Printer mechanism with new Cap unit one.
  • Page 76 EPSON Stylus PHOTO 810/820 Revision A Table 3-19. Check point for the poor printing quality Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the grease is enough on the surface of the 1. Clean the surface of the Front frame with the Front frame.
  • Page 77 EPSON Stylus PHOTO 810/820 Revision A Table 3-19. Check point for the poor printing quality Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the porous pad in the Lower housing comes off. 1. Reassembly the porous pad correctly.
  • Page 78 EPSON Stylus PHOTO 810/820 Revision A Table 3-19. Check point for the poor printing quality Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the Front frame has the ink stain somewhere. 1. Clean the ink stain of the Front frame carefully with the soft cloth.

  • Page 79: Disassembly And Assembly

    C H A P T E R DISASSEMBLY AND ASSEMBLY...

  • Page 80: Overview

    See the precautions given under the handling “WARNING” and “CAUTION” in the This section describes procedures for disassembling the main components of the Stylus following column when disassembling or assembling EPSON Stylus C60. C60. Unless otherwise specified, disassembly units or components can be reassembled by reversing the disassembly procedure.
  • Page 81 EPSON Stylus PHOTO 810/820 Revision A Avant de commencer, assure vous que l’imprimante soit eteinte Never remove the ink cartridge from the carriage unless this et que le cordon d’alimentation soit debranche. manual specifies to do so. Lorsque vous changez la pile au lithium, assurez vous que la When transporting the printer after installing the ink cartridge, nouvelle respecte bien les caracteristiques requises.

  • Page 82: Tools

    EPSON Stylus PHOTO 810/820 Revision A 4.1.2 Tools 4.1.3 Screws Table 4-2. Screws Use only specified tools to avoid damaging of the printer. Name and specification Outward form Table 4-1. Tools Name Supplier Parts No. C.B.S. SCREW, 3 x 6, F/Zn Phillips Screw Driver (No.1)

  • Page 83: Work Completion Check

    EPSON Stylus PHOTO 810/820 Revision A 4.1.4 Work Completion Check Table 4-3. Work Completion Check Classifi- If any service is made to the printer, use the checklist shown below to confirm all Item Check Point Status cation works are completed properly and the printer is ready to be returned to the user.

  • Page 84: Disassembly

    EPSON Stylus PHOTO 810/820 Revision A 4.2 Disassembly The flowchart below shows step-by-step disassembly procedures. When disassembling each unit, refer to the page number shown in the figure. Upper housing removal Page 85 Printhead removal ASF unit removal Page 87...

  • Page 85: Upper Housing Removal

    EPSON Stylus PHOTO 810/820 Revision A 4.2.1 Upper housing removal Release total seven hooks of the Upper housing by using the precision screwdriver (-). Move the Edge guide on the ASF unit to the rightmost position. Backside Edge guide right side...
  • Page 86 EPSON Stylus PHOTO 810/820 Revision A Move the protrusion of the Upper housing, which contacts USB interface, to the right side slightly by using the precision screwdriver (-). USB interface Figure 4-4. Protrusion position of the Upper housing Do not damage the protrusion by the precision screwdriver (-).

  • Page 87: Printhead Removal

    EPSON Stylus PHOTO 810/820 Revision A 4.2.2 Printhead removal Remove two screws (C.B.P-TITE SCREW 3x8 F/Zn, +BIND B-TITE SEMS W2 2.5x5 F/Zb) for tightening the Printhead, and remove the Printhead from the CR Remove the Upper housing from the printer. (Refer to Section 4.2.1) unit in the order indicated in the following figure.
  • Page 88 EPSON Stylus PHOTO 810/820 Revision A When assembling the Printhead to the CR unit, When assembling the Head cable holder to the CR unit, Make sure to place the Head FFC on the Spacer FFC and the Make sure to place the Head FFC in the correct position.

  • Page 89: Cr Unit Removal

    EPSON Stylus PHOTO 810/820 Revision A 4.2.3 CR unit removal Slide the Driven pulley holder to the right side, and remove it forward. Release the Head FFC from the Spacer FFC on the LD roller shaft holder, and Remove the Upper housing from the printer. (Refer to Section 4.2.1) disconnect the Head FFC from the connectors (CN8, CN9) on the Main board.
  • Page 90 EPSON Stylus PHOTO 810/820 Revision A Pull the left end of the CR guide shaft upward, and slide the CR guide shaft to the Unlike the previous printer (Stylus COLOR 680), the oil pad is right side while holding the CR unit by hand.
  • Page 91 EPSON Stylus PHOTO 810/820 Revision A When assembling the CR unit to the printer, Set the left CR guide shaft rod spring between the Spur gear 60 and the Main frame before installing the CR guide shaft Make sure to install the CR grounding plate in the CR unit.

  • Page 92: Cr Motor Removal

    EPSON Stylus PHOTO 810/820 Revision A 4.2.4 CR motor removal When the CR motor is removed or replaced with new one, the Remove the Upper housing from the printer. (Refer to Section 4.2.1) following adjustment must be performed in the order below.

  • Page 93: Asf Unit Removal

    EPSON Stylus PHOTO 810/820 Revision A 4.2.5 ASF unit removal Remove the Torsion spring 29.1 from the bottom of the ASF frame and the Pad holder (Paper return plate). Remove the Upper housing from the printer. (Refer to Section 4.2.1) Remove three screws (C.B.S.
  • Page 94 EPSON Stylus PHOTO 810/820 Revision A When assembling the LD pad on the Pad holder and the Hopper When assembling the ASF unit to the printer, pad on the Hopper, Make sure that the LD roller is set to the ASF home position.

  • Page 95: Psb/Pse Unit Removal

    EPSON Stylus PHOTO 810/820 Revision A 4.2.6 PSB/PSE unit removal Remove one screw (C.B.S. SCREW 3x6 F/Zn) for securing the Upper power supply board shield plate, and remove the Upper power supply board shield plate. Remove the Upper housing from the printer (Refer to Section 4.2.1).
  • Page 96 EPSON Stylus PHOTO 810/820 Revision A Remove the Upper power supply board from the Lower power supply board shield Make sure to set the Power supply radiator in the correct plate. position. (Refer to Figure 4-25) When assembling the Power supply board to the Lower power...
  • Page 97 EPSON Stylus PHOTO 810/820 Revision A Fasten one screw (C.B.S. SCREW 3x6 F/Zn) for securing the Upper power supply shield plate to the Lower power supply shield plate. (Refer to Figure 4-23) Tightening torque for screw is as follows. • C.B.S. SCREW, 3x6, F/Zn (1 pcs) : 6 ± 1 kgf.cm...

  • Page 98: Holder Shaft Unit Removal

    EPSON Stylus PHOTO 810/820 Revision A 4.2.7 Holder shaft unit removal Move the Pump unit to the right side slightly while holing the whole of the Holder shaft unit, and pull the bottom of the Holder shaft unit toward the backside of the Remove the Upper housing from the printer.
  • Page 99 EPSON Stylus PHOTO 810/820 Revision A 10. Remove the Spur gear 35.2 from the LD roller shaft. When assembling the HP/PE detection lever to the LD roller shaft 11. Remove the Compression spring, 0.143, and remove the Clutch from the LD roller holder, shaft.
  • Page 100 EPSON Stylus PHOTO 810/820 Revision A When assembling the Clutch mechanism to the LD roller shaft, Do not touch the LD roller. Make sure to set the round hole of the Clutch on the dowel of Do not damage the tooth of the Spur gear 35.2 and the the LD roller shaft.
  • Page 101 EPSON Stylus PHOTO 810/820 Revision A 2) Insert three hooks and one dowel of the Holder shaft unit in the order indicated in the following figure. Hooks Figure 4-37. LD roller shaft holder assembling procedure (2) When installing the dowel of the LD roller shaft holder to the Pump unit, move the Pump unit to the right side slightly.

  • Page 102: Circuit Board Removal

    EPSON Stylus PHOTO 810/820 Revision A 4.2.8 Circuit board removal Remove four screws (C.B.S. SCREW 3x6 F/Zn, C.B.S. SCREW 3x14 F/Zn) for securing the Main board shield plate and Main board, and remove them. Remove the Upper housing from the printer. (Refer to Section 4.2.1) Remove the ASF unit from the printer.
  • Page 103 EPSON Stylus PHOTO 810/820 Revision A When removing the Main board shield plate from the Main Fasten four screws (C.B.S. SCREW 3x6 F/Zn, board, pull the part indicated below vertically and remove it. C.B.S. SCREW 3x14 F/Zn) for securing the Main board shield plate and the Main board to the Main frame in the order indicated in the following figure.
  • Page 104 EPSON Stylus PHOTO 810/820 Revision A When replacing the Main board with new one, perform the following service items. Before removing the Main board, connect the parallel I/F or USB cable and try to read out the following data by using the Adjustment program.

  • Page 105: Waste Drain Ink Pad (Under The Asf Unit) Removal

    EPSON Stylus PHOTO 810/820 Revision A 4.2.9 Waste drain ink pad removal (under the ASF unit) When assembling the Waste drain ink pad to the Lower Remove the Upper housing from the printer. (Refer to Section 4.2.1.) housing, Remove the ASF unit from the printer (Refer to Section 4.2.5) Make sure to set the tip of the ink tube in the correct position of the Lower housing.

  • Page 106: Lower Housing Removal

    EPSON Stylus PHOTO 810/820 Revision A 4.2.10 Lower housing removal Slide the Paper eject roller to the left side while lifting up the following portion. Remove the Upper housing from the printer. (Refer to Section 4.2.1) Step1) Remove the right E-ring...
  • Page 107 EPSON Stylus PHOTO 810/820 Revision A Remove three screws (C.B.P-TITE SCREW 3x8 F/Zn) for securing the Printer 10. Insert the protrusion of the Cap unit into the cutout portion of the Main frame as mechanism to the Lower housing. shown figure below.
  • Page 108 EPSON Stylus PHOTO 810/820 Revision A 11. Lift the right side of the Printer mechanism carefully while releasing one hook for When assembling the Printer mechanism to the Lower housing, securing the Printer mechanism to the Lower housing from the backside of the Printer by using the tweezers.
  • Page 109 EPSON Stylus PHOTO 810/820 Revision A Do not damage the tooth of the Spur gear 60 of the Paper Do not touch the rubber portion. eject roller because its roller is not fixed. Make sure that the Paper eject roller moves smoothly.

  • Page 110: Caution Regarding Ink System Removal, Pf Roller Unit Removal And Pf Motor Removal

    EPSON Stylus PHOTO 810/820 Revision A 4.2.11 Caution regarding Ink system removal, PF roller unit removal and PF motor removal In case that you remove or replace the Ink system (Cap unit & Pump unit), the PF roller unit and PF motor, we recommend to replace to new Printer...

  • Page 111: Ink System Unit Removal (Cap Unit, Pump Unit & Waste Drain Ink Pad)

    EPSON Stylus PHOTO 810/820 Revision A 4.2.12 Ink system unit removal Put the right edge of the Main frame on an object so that the Printer mechanism becomes tilted (This is to prevent that gears in the Pump unit drops.).
  • Page 112 EPSON Stylus PHOTO 810/820 Revision A 10. Remove the Ink system unit (Cap unit and Pump unit) carefully. When assembling as the Cap unit, When removing the Ink system unit, be careful so that the gears Do not touch the sealing rubber portion and the Cleaner do not come off from each shaft of the Ink system frame.
  • Page 113 EPSON Stylus PHOTO 810/820 Revision A When assembling as the Pump unit, Make sure to set the Compression spring 1.764 for the Change lever in the correct condition. Be careful not to crash or leave any stress on the Ink tube.

  • Page 114: Pf Roller Unit Removal

    EPSON Stylus PHOTO 810/820 Revision A 4.2.13 PF roller unit removal Remove the Lower housing from the printer mechanism. (Refer to Section 4.2.10) Remove the Plain washer, 6.9 x 0.5 x 10.4, L/Na by using the tweezers, and slide Remove the Upper housing from the printer. (Refer to Section 4.2.1) the right PF roller bushing to the left side slightly.
  • Page 115 EPSON Stylus PHOTO 810/820 Revision A When removing the PF roller, be careful not to damage the Spur Install the Paper guide upper/left to the Main frame as shown gear 60 with the Main frame. figure below, and slide it to the right side.

  • Page 116: Pf Motor Removal

    EPSON Stylus PHOTO 810/820 Revision A 4.2.14 PF motor removal When assembling the PF motor to the Main frame, Do not damage the PF motor pinion gear. Remove the Upper housing from the printer. (Refer to Section 4.2.1) Make sure to place the PF motor connector cable to the Main Remove the CR unit from printer.

  • Page 117: Adjustment

    C H A P T E R ADJUSTMENT...

  • Page 118: Overview

    EPSON Stylus PHOTO 810/820 Revision B 5.1 Overview In this printer, it is necessary to perform appropriate adjustment in order to maintain consistent printing function and quality, eliminate differences of each printer mechanism’s characteristics.Therefore, in case that the combination between the...

  • Page 119: Maintenance

    C H A P T E R MAINTENANCE...

  • Page 120: Overview

    EPSON Stylus PHOTO 810/820 Revision A 6.1 Overview 6.1.2 Service Maintenance If any abnormal print (dot missing, white line, etc.) has occurred or the printer indicates This section provides information to maintain the printer in its optimum condition. the "Maintenance request error" (This error is displayed as "Maintenance call error" in the STM3), take the following actions to clear the error.
  • Page 121 EPSON Stylus PHOTO 810/820 Revision A Select the “EPSON Status Monitor 3” in the printer driver utility, and make sure Maintenance request error (Maintenance call error) that the printer is in stand-by state by using the Status monitor 3. If the printer is in Ink is used for the printhead cleaning operation as well as the printing operation.

  • Page 122: Lubrication

    EPSON Stylus PHOTO 810/820 Revision A 6.1.3 Lubrication Table 6-2. Lubrication point Lubrication type/point Remarks The characteristics of the grease have great affects on the mechanical function and durability, especially does the characteristics about temperature environment. The type • Use a syringe to apply it.
  • Page 123 EPSON Stylus PHOTO 810/820 Revision A G-58 30 mm G-58 Figure 6-4. Lubrication point 1 Figure 6-6. Lubrication point 3 (1) G-58 20 mm G-58 Figure 6-5. Lubrication point 2 Figure 6-7. Lubrication point 3 (2) Maintenance Overview...
  • Page 124 EPSON Stylus PHOTO 810/820 Revision A G-58 Figure 6-8. Lubrication point 5 Both side G-58 Figure 6-9. Lubrication point 6 Maintenance Overview...

  • Page 125: Appendix

    C H A P T E R APPENDIX...

  • Page 126: Connector Summary

    EPSON Stylus PHOTO 810/820 Revision A 7.1 Connector Summary Table 7-1. Connector Summary for C417 MAIN Connector Function Table to refer to 7.1.1 Major Component Unit Refer to 1.3.1 For connection with the Parallel interface "Parallel Interface The major component units of this printer are as follows.
  • Page 127 EPSON Stylus PHOTO 810/820 Revision A Table 7-4. CN7 - PF Motor Table 7-6. CN9 - Printhead Signal Name Function Signal Name Function Phase drive signal (A) Select signal for CH signal Phase drive signal (-A) Print data output (1)

  • Page 128: Eeprom Address Map

    EPSON Stylus PHOTO 810/820 Revision A 7.1.2 EEPROM Address Map Table 7-8. EEPROM Address Map (continued) QPIT Factory Address Explanation Setting Table 7-8. EEPROM Address Map settings settings QPIT Factory Accumulated printing Address Explanation Setting settings settings time Ink flag1...
  • Page 129 EPSON Stylus PHOTO 810/820 Revision A Table 7-8. EEPROM Address Map (continued) *b : Manufacture and Description name show the following setting. QPIT Factory Name mode Address Explanation Setting settings settings Bit7 Bit6 Name mode Ink counter Cc Ineffective Apply to the Description and Manufacturer.
  • Page 130 EPSON Stylus PHOTO 810/820 Revision A Table 7-9. EEPROM Address Map (continued) QPIT Factory Address Explanation Setting setting setting QPIT Factory Address Explanation Setting setting setting Total Timer CL Counter Interface selection 01H : Auto 02H : Parallel Printer For CSIC...
  • Page 131 EPSON Stylus PHOTO 810/820 Revision A QPIT Factory Address Explanation Setting setting setting Head Actuator Rank +30<=n<=+70 (*1) ID for IwY Head Actuator Rank +30<=n<=+70 (*1) ID for IwLC Head Actuator Rank +30<=n<=+70 (*1) ID for IwLM USB ID (*1)

  • Page 132: Component Layout

    EPSON Stylus PHOTO 810/820 Revision A 7.2 Component Layout Figure 7-2. C418 Main board component layout (1) Figure 7-3. C418 Main board component layout (2) Appendix Component Layout...
  • Page 133 EPSON Stylus PHOTO 810/820 Revision A Figure 7-4. C417 PSB board component layout Figure 7-5. C417 PSE board component layout Appendix Component Layout...

  • Page 134: Exploded Diagram

    EPSON Stylus PHOTO 810/820 Revision A 7.3 Exploded Diagram Following pages show exploded diagram. EPSON STYLUS PHOTO 820 / 810 No.1 Rev.01 10330 Figure 7-6. Stylus PHOTO 810/820 Exploded Diagram 1 Appendix Exploded Diagram...
  • Page 135 EPSON Stylus PHOTO 810/820 Revision A EPSON STYLUS PHOTO 820 / 810 No.2 Rev.01 10330 Figure 7-7. Stylus PHOTO 810/820 Exploded Diagram 2 Appendix Exploded Diagram...
  • Page 136 EPSON Stylus PHOTO 810/820 Revision A EPSON STYLUS PHOTO 820 / 810 No.3 Rev.02 10330(C417) Figure 7-8. Stylus PHOTO 810/820 Exploded Diagram 3 Appendix Exploded Diagram...
  • Page 137 EPSON Stylus PHOTO 810/820 Revision A EPSON STYLUS PHOTO 820 / 810 No.4 Rev.01 10330 Figure 7-9. Stylus PHOTO 810/820 Exploded Diagram 4 Appendix Exploded Diagram...
  • Page 138 EPSON Stylus PHOTO 810/820 Revision A EPSON STYLUS PHOTO 820 / 810 No.5 Rev.01 10330 Figure 7-10. Stylus PHOTO 810/820 Exploded Diagram 5 Appendix Exploded Diagram...
  • Page 139 EPSON Stylus PHOTO 810/820 Revision A EPSON STYLUS PHOTO 820 / 810 No.6 Rev.01 10330 Figure 7-11. Stylus PHOTO 810/820 Exploded Diagram 6 Appendix Exploded Diagram...

  • Page 140: Parts List

    EPSON Stylus PHOTO 810/820 Revision A 7.4 Parts List Table 7-10. Stylus PHOTO 810/820 Parts List Code Parts Name FRAME,FRONT ASSY.,C418 Table 7-10. Stylus PHOTO 810/820 Parts List TORSION SPRING RIGHT,SHAFT,CR GUIDE Code Parts Name TORSION SPRING LEFT,SHAFT,CR GUIDE HOUSING,UPPER...
  • Page 141 EPSON Stylus PHOTO 810/820 Revision A Table 7-10. Stylus PHOTO 810/820 Parts List Code Parts Name INDIVIDUAL CARTON BOX FOR AMERICA PAD,PRINTER PAD,ACCESSORY PLASTIC PROTECTIVE BAG,650X420X0.03T PAD,CR Appendix Parts List...
  • Page 142 EPSON Stylus PHOTO 810/820 Revision A 7.5 Electrical Circuits The electric circuit diagrams below are shown at the following pages: C418 Main/Main-B control circuit board C417 PSB/PSE power supply circuit board Appendix Electrical Circuits...

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