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Epson Stylus Photo 895 Service Manual

Epson stylus photo 895/785epx service manual.
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Color Inkjet Printer
EPSON STYLUS PHOTO 895/785EPX
®
SEIJ01001
Download Free Service Manual and Resetter Printer at http://printer1.blogspot.com

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Troubleshooting

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   Summary of Contents for Epson Stylus Photo 895

  • Page 1: Service Manual

    SERVICE MANUAL Color Inkjet Printer EPSON STYLUS PHOTO 895/785EPX ® SEIJ01001 Download Free Service Manual and Resetter Printer at http://printer1.blogspot.com...

  • Page 2

    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 3

    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, Manual Configuration, Symbols Used In 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 April 19, 2001 First Release Download Free Service Manual and Resetter Printer at http://printer1.blogspot.com...

  • Page 6: Table Of Contents

    1.12.2.1 Cut Sheet ..................24 1.4 PCMCIA Card Slot ..................15 1.12.2.2 Envelope ..................24 1.4.1 Card Slot Standard ..................15 1.12.2.3 EPSON special media ..............24 1.4.2 Supported Memory Card ................15 1.12.3 Printing Area .................... 26 1.4.3 Supported Voltage ..................15 1.12.3.1 Cut Sheet ..................

  • Page 7: Table Of Contents

    2.1.2 Printhead ....................32 4.2.2.2 Monochrome panel board removal ........... 77 2.1.2.1 Printing Process ................. 33 4.2.3 Housing Lower Cover Removal ..............78 2.1.2.2 Printing Method ................. 34 4.2.3.1 Housing Lower Cover Left Removal ..........78 2.1.3 Carriage Mechanism .................. 34 4.2.3.2 Housing Lower Cover Right Removal ..........

  • Page 8: Table Of Contents

    5.3.11 Protection counter .................. 127 5.3.12 Printing on normal A4 paper ..............128 5.3.13 CSIC information ................... 129 5.3.14 EEPROM data ..................130 5.4 Firmware update .................... 131 5.4.1 Firmware update method ................. 131 5.4.2 Firmware version check method .............. 132 5.5 Adjustment/inspection of the preview monitor ...........

  • Page 9: Product Description

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

  • Page 10: Features

    EPSON Stylus PHOTO 895/785EPX Revision A 1.1 FEATURES The major features of EPSON color inkjet printer EPSON Stylus PHOTO 895/785EPX are: Standalone print Card reader function for PCMCIA Flash ATA Applicable to Compact Flash, Smart Media, Memory Stick, Microdrive (with...

  • Page 11: Specifications, Physical Specification, Printing Specification

    EPSON Stylus PHOTO 895/785EPX Revision A 1.2 SPECIFICATIONS Table 1-2. Raster Graphics Mode Horizontal This section covers specifications of the printer. Printable Area Available Dot CR Speed Resolution 360 dpi 8.26 inches 2976 23.8 IPS 1.2.1 Physical Specification 720 dpi 8.26 inches...

  • Page 12: Paper Feeding, Input Data Buffer, Electric Specification, Environmental Condition

    EPSON Stylus PHOTO 895/785EPX Revision A 1.2.3 Paper Feeding [220 ~ 240V Version] Rated Voltage: AC220V~240V Feed Method Input Voltage Range: AC198~264V Rated Frequency Range: 50~60Hz Friction feed with ASF Input Frequency Range: 49.5~60.5Hz Paper Path Rated Current: 0.25 A Power Consumption: Approx.

  • Page 13: Reliability, Safety Approvals, Acoustic Noise, Ce Marking

    EPSON Stylus PHOTO 895/785EPX Revision A EMI: EN55022 (CISPR Pub.22) Class B AS/NZS 3548 Class B 1.2.9 Acoustic Noise Level: Approx. 47dB(A) (According to ISO 7779) Humidity (%) 1.2.10 CE Marking [220~240V Version] Low Voltage Directive 73/23/EEC: EN60950 EMC Directive 89/336/EEC:...

  • Page 14: Interface, Usb Interface

    Revision A 1.3 INTERFACE Device ID [00H] [60H] MFG: EPSON; The EPSON Stylus PHOTO 895/785EPX provides USB and as standard. CMD: ESCPL2, BDC, D4; MDL: Stylus [SP] Photo [SP] 785 EPX; CLS: PRINTER; 1.3.1 USB Interface DES: EPSON [SP]Stylus [SP] Photo [SP] 785EPX;...

  • Page 15: Pcmcia Card Slot, Card Slot Standard, Supported Memory Card, Supported Voltage

    EPSON Stylus PHOTO 895/785EPX Revision A 1.4 PCMCIA Card Slot 1.4.1 Card Slot Standard PCMCIA Type-II card slot x 1 (In accordance with the PC Card Standard (‘97), JEIDA) 1.4.2 Supported Memory Card •PCMCIA Flash ATA card •Compact Flash (with PCMCIA adapter) •Smart Media (with PCMCIA adapter)

  • Page 16: Standalone Print Function, File System, File Format, Valid Image Sizes

    EPSON frame file (*.EFF) 1.5.6 File Sort Frame data file format defined for standard use of EPSON products. Only files in This machine sorts all the photo data files in a memory card using the information such the “¥MISC¥FRAME¥” directory are valid.

  • Page 17: File Sort Rule, Date Data Capture Rule, Date Range

    EPSON Stylus PHOTO 895/785EPX Revision A 1.5.6.1 File Sort Rule This machine sorts the photo data files based on the following priorities: Older data first. The date and time information attached to the photo data files are used for sorting. Up to seconds are used for the time information.

  • Page 18: Printer Pnl Operation Specifications, Switches, Indicators, Panel Functions

    EPSON Stylus PHOTO 895/785EPX Revision A 1.6 Printer PNL Operation Specifications 1.6.3 Panel Functions Table 1-4. Panel Functions 1.6.1 Switches Switch Function There are three non-lock type push switches, one lock-type push switch, and one LED • Loads or Ejects the Paper (Pushing within 3seconds).

  • Page 19: Printer Condition And Panel Status

    EPSON Stylus PHOTO 895/785EPX Revision A "-": No change. Table 1-6. Special Setting Mode "A->B": A is a indicator condition when carriage is on Home Position Switch Function B is indicator in ink exchange sequence. • Initialize EEPROM. •Blink: Repeats lighting on for 0.5 sec.+ off for 0.5 sec.

  • Page 20: Printer Initialization, Initial Setting Values

    EPSON Stylus PHOTO 895/785EPX Revision A 1.7 Printer Initialization 1.8 Initial setting values There are three kinds of initialization methods, and the following explains each Initial setting values during the initial operation are as follows. For the storable items initialization.

  • Page 21: Errors, Printing Of Filled Patterns

    EPSON Stylus PHOTO 895/785EPX Revision A 1.9 Errors 1.10 Printing of filled patterns Ink Out Filled patterns can be printed by the following methods. When the printer runs out most of the ink of any color, it indicates ink-low and Printing by Remote Command keeps printing.

  • Page 22: Monochrome Pnl Operation Specification, Appearance

    EPSON Stylus PHOTO 895/785EPX Revision A 1.11 Monochrome PNL operation specification 1.11.1 Appearance Following figures show the monochrome PNLs of Stylus PHOTO895 and Stylus PHOTO785EPX. (When all LCDs are displayed) Print Mode Print Mode Paper Type Paper Type Paper Size...

  • Page 23: Swith Function, Process Led, Error Display (lcd)

    EPSON Stylus PHOTO 895/785EPX Revision A 1.11.2 Swith Function 1.11.4 Error Display (LCD) This machine displays the following errors with numbers (blinking) on the LCD panel. Table 1-8. Switch description Name Description Table 1-9. Error LCD Indication LCD PNL Indicates the print condition setting contents of printer...

  • Page 24: Paper, Paper Handling, Paper Specification, Cut Sheet, Envelope, Epson Special Media

    Executive: (184.2mm x 266.7mm) 1.12.2.3 EPSON special media [Quality] [Quality] Plain paper, Bond paper EPSON specifically designed media for ink jet printers [Thickness] (1) Photo Quality Ink Jet Paper 0.08mm ~ 0.11mm (0.003 ~ 0.004 inch) [Size] [Weight] (210mm x 297mm)

  • Page 25

    EPSON Stylus PHOTO 895/785EPX Revision A (2) 360dpi Ink Jet Paper [Size] (210mm x 297mm) [Size] Letter: (216mm x 279mm) (210mm x 297mm) Letter: (216mm x 279mm) (3) Ink Jet Transparencies [Size] (210mm x 297mm) Letter: (216mm x 279mm) (105mm x 148mm)

  • Page 26: Printing Area, Cut Sheet

    EPSON Stylus PHOTO 895/785EPX Revision A 1.12.3 Printing Area Table 1-10. Printing Area Left Margin Right Margin Top Margin Bottom Margin 1.12.3.1 Cut Sheet Paper Size (min.) (min.) (min.) (min.) See the figure below and tables on the right for printable areas.

  • Page 27: Envelopes

    EPSON Stylus PHOTO 895/785EPX Revision A 1.12.3.2 Envelopes Printable Area Figure 1-8. Printable Area for Envelopes Table 1-11. Envelope Margin Left Margin Right Margin Top Margin Bottom Margin Size (min.) (min.) (min.) (min.) 3 mm (0.12”) 28 mm (1.10”) 3 mm (0.12”) 14 mm (0.55”)

  • Page 28: Ink Cartridge, Black Ink Cartridge, Color Ink Cartridge

    EPSON Stylus PHOTO 895/785EPX Revision A 1.13 INK CARTRIDGE 1.13.2 Color Ink Cartridge Type: Exclusive Cartridge 1.13.1 Black Ink Cartridge Color: Magenta, Cyan, Yellow, Light Cyan, Light Magenta Print Capacity: 220 pages / A4 (360 dpi, 5% duty each color)

  • Page 29: Accessories And Option, Changing The Model Name

    EPSON Stylus PHOTO 895/785EPX Revision A 1.14 Accessories and Option 1.15 Changing the Model Name Standard accessories By setting the proper values in addresses 5EH and 60H to 7DH in EEPROM, the Device ID and the model name in the BDC-ID can be changed. The other fields other ²...

  • Page 30: Operating Principles

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

  • Page 31: Overview, Printer Mechanism

    Paper Loading Mechanism, Ink System (Pump Mechanism, Cap Mechanism, and Carriage Lock Mechanism). Paper Feed Back Plate Like other EPSON ink jet printers, the Stylus PHOTO 895/785EPX is equipped with three stepping motors; one for ASF/Pump mechanism, one for Paper feeding Paper Separation Pad mechanism and one for carriage mechanism.

  • Page 32: Printhead

    CSIC Nozzle Selector Board The printhead uses a new developed U-CHIPS head and Stylus PHOTO 895/785EPX can perform multiple shot printing and variable printing. The CSIC is mounted on the ink cartridge. By storing ink life data, this IC makes it Ink Cartridge possible to control the ink in ink cartridge unit.

  • Page 33: Printing Process

    EPSON Stylus PHOTO 895/785EPX Revision A Nozzle Layout 2.1.2.1 Printing Process Black: 48 nozzles (120 dpi) This section explains the process in which the printheads of On-Demand inkjet printers Color: 48 nozzles x5(Cyan, Magenta, Yellow, Light cyan, Light magenta)(120dpi) eject ink from each nozzle.

  • Page 34: Printing Method, Carriage Mechanism

    Revision A 2.1.2.2 Printing Method 2.1.3 Carriage Mechanism For print dot system, Stylus PHOTO 895/785EPX has the following two kinds of The carriage mechanism consists of Carriage motor (CR motor), Carriage unit printing modes. (including printhead), CR timing belt, CR guide shaft, platen gap adjustment...

  • Page 35

    EPSON Stylus PHOTO 895/785EPX Revision A HP Sensor CR Motor Lever Parallelism Adjustment Bushing CR Unit Carriage Guide Shaft CR Guide Shaft CR Timing Belt Adjust Lever Eccentric Shaft Figure 2-5. Carriage Mechanism (Top view) CR home position is detected with the HP sensor and the detection plate molded in the CR unit as following figure.

  • Page 36: Paper Feeding Mechanism

    EPSON Stylus PHOTO 895/785EPX Revision A 2.1.4 Paper Feeding Mechanism Table 2-3. PF Motor Specifications The paper feeding mechanism consists of Paper feed motor (PF motor), PF roller, Paper eject roller, Star wheel roller, and so on. The paper feeding mechanism feeds...

  • Page 37: Paper Loading Mechanism (asf Unit)

    EPSON Stylus PHOTO 895/785EPX Revision A Paper loaded from ASF is advanced by the following roller. 2.1.5 Paper Loading Mechanism (ASF Unit) Paper feed roller & Paper guide roller (assembled on the Top Frame) Æ Paper The Paper loading mechanism is positioned at the printer rear. The Paper loading eject roller &...

  • Page 38

    EPSON Stylus PHOTO 895/785EPX Revision A Following Figure 2-9. "Switch the ASF Motor Drive to ASF Unit Side" shows the Table 2-5. ASF Unit Function & ASF Motor Rotational Direction switching path for ASF motor drive to ASF unit side.

  • Page 39

    EPSON Stylus PHOTO 895/785EPX Revision A Step1 Step 2 Step 3 NOTE: Spur Gear 35.2 Clutch Gear Change Lever 0.143 Tension Spring LD Roller Shaft The Clutch gear is molded on the back side of the Spur gear 35.2 such as Combination gear.

  • Page 40

    EPSON Stylus PHOTO 895/785EPX Revision A The Paper return plate is set to return the paper to the paper stand-by position in the ASF unit when the ASF unit is in the standby mode. When the paper is fed with the LD roller, the Paper return plate is stored in the ASF frame by the LD roller.

  • Page 41: Ink System Mechanism, Pump Unit & Wiper Mechanism

    EPSON Stylus PHOTO 895/785EPX Revision A 2.1.6 Ink System Mechanism Table 2-6. ASF Motor Direction & Ink System Mechanism Ink system mechanism consists of pump unit (include the CR lock lever) and capping Directions Functions mechanism. Ink system mechanism drives the pump unit that presses cap to the •...

  • Page 42: Capping Mechanism

    EPSON Stylus PHOTO 895/785EPX Revision A 2.1.6.2 Capping Mechanism The capping mechanism covers the printheads with the cap holder to prevent the nozzle from increasing viscosity when the printer is in stand-by mode or when the printer is off. This product has valveless cap system. Air valve function used for the previous models pumps and ejects ink only inside the cap by absorbing ink with the valve open.

  • Page 43: Electrical Circuit Operating Principles, C408 Pse Board

    2.2 Electrical Circuit Operating Principles 2.2.1 C408 PSE board The power supply boards of Stylus PHOTO 895/785EPX use a RCC (Ringing Chalk The electric circuit of the Stylus PHOTO 895/785EPX consists of the following Converter) circuit, which generates +42VDC for drive line and +5VDC, +3.3VDC for boards.

  • Page 44: Process How 42vdc, 5vdc And 3.3vdc Are Generated

    EPSON Stylus PHOTO 895/785EPX Revision A 2.2.1.1 Process how 42VDC, 5VDC and 3.3VDC are generated ZC-RCC converter This section provides the description how +42VDC, +5VDC and +3.3VDC are • Over current protective +42VDC generated from the supplied power supply referring to the Figure 2-18, "C408 PSE function Board Block Diagram".

  • Page 45: Protection Circuit, Ps Control Function, Power Saving Mode

    EPSON Stylus PHOTO 895/785EPX Revision A 2.2.1.2 Protection circuit 2.2.1.3 PS Control Function The C408 PSE board has the various control circuits to stop voltage output if a This power supply circuit enables to supply the voltage to the 5V, 3.3V and 42V lines...

  • Page 46: C408 Main Board

    EPSON Stylus PHOTO 895/785EPX Revision A 2.2.2 C408 MAIN Board The printer mechanism is controlled by C408 MAIN. See Figure for the C408 MAIN board block diagram. C408 MAIN Board Printer section Printon section D-RAM4M P-ROM SDRAM Address Address (IC5)

  • Page 47

    EPSON Stylus PHOTO 895/785EPX Revision A Following shows you the major characteristic of this main board. Use of the newly designed board C408MAIN This product uses the newly developed C408MAIN board with the PCMCIA card slot, preview monitor (option) and monochrome panel (LCD) added. This board is divided into the printer and Printon sections.

  • Page 48: Main Elements

    EPSON Stylus PHOTO 895/785EPX Revision A 2.2.2.1 Main elements Table 2-10. Main Elements (Printon section) Following table provides the description of main element functions on the C408 main Location Function board. • USB storage class target • PCMCIA control Table 2-9. Main Elements (Printer section)

  • Page 49: Printhead Driver Circuit

    EPSON Stylus PHOTO 895/785EPX Revision A 2.2.2.2 Printhead Driver Circuit The printhead driver circuit consists of the following two components: Common driver IC (IC12:E09A14RA) directly attached to the C408 MAIN board. HWA0 HWA1 NPNB Nozzle selector IC on the head board.

  • Page 50: Cr Motor Driver Circuit, Pf Motor Driver Circuit

    EPSON Stylus PHOTO 895/785EPX Revision A 2.2.2.3 CR Motor Driver Circuit 2.2.2.4 PF Motor Driver Circuit The motor driver IC on the MAIN board drives CR motor. This product uses 4-phase The motor driver IC on the MAIN board drives PF motor. This product uses 4-phase 200-pole hybrid type stepping motor and performs constant current bi-polar drive.

  • Page 51: Asf Motor Drive Circuit, Reset And Eeprom Circuits

    EPSON Stylus PHOTO 895/785EPX Revision A 2.2.2.5 ASF Motor Drive Circuit 2.2.2.6 Reset and EEPROM circuits The motor driver IC on the MAIN board drives the ASF motor. This product uses 4- Unlike the previous products, this product uses IC in which reset circuit and EEPROM phase 200-pole hybrid type stepping motor and performs constant current bi-polar are united.

  • Page 52: Sensor Circuit

    EPSON Stylus PHOTO 895/785EPX Revision A +5V line reset circuit the paper path. This sensor outputs the LOW signal when there is no paper in the The 5V line is monitored at the VDD port of IC6. It outputs the reset signal from paper path.

  • Page 53: Troubleshooting

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

  • Page 54

    EPSON Stylus PHOTO 895/785EPX Revision A 3.1 Overview Table 3-1. Motor, Coil Resistance This chapter describes how to identify troubles in two levels: unit level repair and Motor Location Check Point Resistance component level repair. Refer to the flowchart in this chapter to identify the defective unit and perform component level repair if necessary.

  • Page 55: Troubleshooting With Led Error Indications

    •Blink: Repeats lighting on for 0.5 sec.+ off for 0.5 sec. error at power on and can not print. The Stylus PHOTO 895/785EPX can detect the printer condition and errors, and indicates them with the LED on printer panel and LCD •Blink2: Repeats lighting on for 0.2 sec.+ off for 0.2 sec.

  • Page 56

    EPSON Stylus PHOTO 895/785EPX Revision A Following table describes the possible causes when the error is indicated with Table 3-5. Error Condition and possible cause LED and LCD, or troubles in other conditions. Symptom Possible Cause Check table Table 3-5. Error Condition and possible cause •...

  • Page 57

    EPSON Stylus PHOTO 895/785EPX Revision A Table 3-5. Error Condition and possible cause If the problem fits to the detail phenomenon in the table, make sure the check point and repair the product following the corresponding remedy mentioned in the table when...

  • Page 58

    EPSON Stylus PHOTO 895/785EPX Revision A Table 3-6. Paper out error indication Table 3-6. Paper out error indication Step Step Detail phenomenon Check point Remedy Detail phenomenon Check point Remedy • Check if the clutch • Replace the clutch 1. Check if the tip of the 1.

  • Page 59

    EPSON Stylus PHOTO 895/785EPX Revision A Table 3-7. Paper jam error indication Table 3-7. Paper jam error indication Step Step Detail phenomenon Check point Remedy Detail phenomenon Check point Remedy • Check if the star wheel • Remove the jammed 1.

  • Page 60

    EPSON Stylus PHOTO 895/785EPX Revision A Table 3-7. Paper jam error indication Table 3-9. Multiple papers are always loaded Step Step Detail phenomenon Check point Remedy Detail phenomenon Check point Remedy 1. Check if the CN4 1. Connect the CN4 •...

  • Page 61

    EPSON Stylus PHOTO 895/785EPX Revision A Table 3-11. Fatal Error indication Table 3-11. Fatal Error indication Step Step Detail phenomenon Check point Remedy Detail phenomenon Check point Remedy 1. Check if the Torsion 1. Set the Torsion spring 1. Check if the CR motor 1.

  • Page 62

    EPSON Stylus PHOTO 895/785EPX Revision A Table 3-11. Fatal Error indication Table 3-11. Fatal Error indication Step Step Detail phenomenon Check point Remedy Detail phenomenon Check point Remedy 1. Check if the Top 1. Secure the Housing fixing 4. If the CR lock lever is 4.

  • Page 63

    EPSON Stylus PHOTO 895/785EPX Revision A Table 3-12. Paper is not loaded completely without any error indication Table 3-13. Paper is not ejected completely without any error indication Step Step Detail phenomenon Check point Remedy Detail phenomenon Check point Remedy 1.

  • Page 64

    EPSON Stylus PHOTO 895/785EPX Revision A Table 3-14. Dot missing occur and it is not recovered with CL Table 3-14. Dot missing occur and it is not recovered with CL Step Step Detail phenomenon Check point Remedy Detail phenomenon Check point Remedy 5.

  • Page 65

    EPSON Stylus PHOTO 895/785EPX Revision A Table 3-14. Dot missing occur and it is not recovered with CL Table 3-15. Print quality is not good Step Detail phenomenon Check point Remedy Step Detail phenomenon Check point Remedy 1. Check if the segment in 1.

  • Page 66

    EPSON Stylus PHOTO 895/785EPX Revision A Table 3-15. Print quality is not good Table 3-15. Print quality is not good Step Step Detail phenomenon Check point Remedy Detail phenomenon Check point Remedy 1. Check if each segment is 1. Perform the CL and check 1.

  • Page 67: Disassembly And Assembly

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

  • Page 68: Precautions, Overview

    EPSON Stylus PHOTO 895/785EPX Revision A 4.1 Overview 4.1.1 Precautions See the precautions given under the handling “WARNING” and “CAUTION” in the This section describes procedures for disassembling the main components of the following column when disassembling or assembling the product.

  • Page 69

    EPSON Stylus PHOTO 895/785EPX Revision A Avant de commencer, assurez 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 70: Tools

    EPSON Stylus PHOTO 895/785EPX Revision A 4.1.2 Tools Use only specified tools to avoid damaging the printer. Table 4-1. Tools Name Supplier Parts No. Phillips Screw Driver (No.1) EPSON B743800100 Phillips Screw Driver (No.2) EPSON B743800200 Nipper EPSON B740500100 Tweezers...

  • Page 71: Work Completion Check

    EPSON Stylus PHOTO 895/785EPX Revision A 4.1.3 Work Completion Check Table 4-2. Completion Check (continued) 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 72: Disassembly

    EPSON Stylus PHOTO 895/785EPX 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. Housing removal page 73 CR motor removal page 82 Printhead removal CR unit removal...

  • Page 73: Housing Removal

    EPSON Stylus PHOTO 895/785EPX Revision A 4.2.1 Housing Removal Remove three screws (C.B.S. 3x6, F/ZN) from the rear of the printer. Remove the two (C.B.S-TITE 3x6, F/ZN) screws fixing the left and right panel covers to the housing from the holes in the bottom of the printer (the screws are situated near to the rear.)

  • Page 74

    EPSON Stylus PHOTO 895/785EPX Revision A Remove the FFC of housing monochrome panel board. FFC connector Figure 4-5. Removing the right side housing Tightening Torque for screw • C.B.S-TITE 3x6 F/ZN screw for housing front side: 6 +/- 1kgf.cm • C.B.S 3x6 F/ZN screw for housing back side : 6+/- 1kgf.cm...

  • Page 75: Operation Panel Removal, Printer Panel Board Removal

    EPSON Stylus PHOTO 895/785EPX Revision A 4.2.2 Operation Panel removal Tightening Torque for Screw • C.B.S 3x6 F/ZN screw for ground screw on the housing: 3.5 +/- 1 kgf.cm The panel board equipped with printer is as follows: To install the housing, make sure to install the FFC and the...

  • Page 76

    EPSON Stylus PHOTO 895/785EPX Revision A Tightening torque for screw Tightening torque for screw • C.B.S 3x6 F/ZN screw for control panel cover: 9 +/- 1 kgf.cm • C.B.P 3x8, F/ZN screw for printer panel board: 6 +/- 1 kgf.cm C.B.P 3x8 F/ZN screw for control panel cover: 6 +/- 1 kgf.cm...

  • Page 77: Monochrome Panel Board Removal

    EPSON Stylus PHOTO 895/785EPX Revision A 4.2.2.2 Monochrome panel board removal Remove the housing. (Refer to Section 4.2.1 "Housing Removal") Tightening torque for screw • C.B.S 3x6, F/ZN screw for monochrome panel board: 6 +/- 1 kgf.cm Remove four screws (C.B.P. 3x8, F/ZN) and detach the monochrome panel board.

  • Page 78: Housing Lower Cover Removal, Housing Lower Cover Left Removal

    EPSON Stylus PHOTO 895/785EPX Revision A 4.2.3 Housing Lower Cover Removal Remove three screws (C.B.P. 3x8, F/ZN) from the left housing lower cover and detach the cover. There are two housing lower covers on the right and left sides of a printer.

  • Page 79: Housing Lower Cover Right Removal, Printhead Removal

    EPSON Stylus PHOTO 895/785EPX Revision A 4.2.3.2 Housing Lower Cover Right Removal 4.2.4 Printhead removal Detach the housing from the printer. (Refer to Section 4.2.1 "Housing Removal") Remove the Housing from the printer. (Refer to Section 4.2.1 "Housing Removal") Detach the printer panel from the printer. (Refer to section 4.2.2.1 "Printer Panel Board Removal")

  • Page 80

    EPSON Stylus PHOTO 895/785EPX Revision A Remove the Printhead from the CR unit Place the Printhead’s FFC in the cable holder by the four C.B.P-TITE 3x8 F/ZN portions indicated in the following Figure 4-15. "Placing the Printhead’s FFC". Make sure that the Head Grounding Plate is installed to the carriage correctly.

  • Page 81

    EPSON Stylus PHOTO 895/785EPX Revision A Head installing position pins Head grounding plate Figure 4-16. Printhead installing the position pin & the grounding plate Tightening Torque for screw • C.B.P-TITE 3x8 F/ZN screw for printhead: 6 +/- 1 kgf.cm • B-TITE SEMSW2 2.5x5, F/ZB screw for printhead: 2 +/- 0.5 kgf.cm...

  • Page 82: Cr Motor Removal

    EPSON Stylus PHOTO 895/785EPX Revision A 4.2.5 CR motor removal Remove the Housing from the printer. (Refer to Section 4.2.1 "Housing Removal") Using tweezers or a small screwdriver, slide the CR Lock Lever to front and release the CR Lock Lever from the CR unit.

  • Page 83: Waste Drain Ink Pad Unit Removal

    EPSON Stylus PHOTO 895/785EPX Revision A Remove four Hexagon Nuts while holding the CR motor and remove the CR 4.2.6 Waste drain ink pad unit removal motor assembly. (Remove two hexagon nuts on the lower side with a one side Remove the Housing from the printer.

  • Page 84: Printer Mechanism Removal

    EPSON Stylus PHOTO 895/785EPX Revision A 4.2.7 Printer mechanism removal When attaching the waste drain inkpad, check that the tip of waste ink tube is correctly placed at the specified position of Detach the housing from the printer. (Refer to Section 4.2.1 "Housing Removal") waste drain inkpad.

  • Page 85: Circuit Board Removal

    EPSON Stylus PHOTO 895/785EPX Revision A Disconnect the following 7 cables from the Main board. 4.2.8 Circuit board removal CR motor connector cable: CN13 Remove the Housing from the printer. (Refer to Section 4.2.1 "Housing Removal") PF motor connector cable: CN12 Detach the printer panel and Sub Left Panel from the printer.

  • Page 86

    EPSON Stylus PHOTO 895/785EPX Revision A Remove the following screws securing each circuit board to the Shield plate. Refer to Figure 4-23. "Panel shield plate removal". Remove two screws (C.F.S-TITE 3x8, F/ZN) for the AC120V cable and one screw (C.B.(O) 4x5, F/ZG) for the ground cable.

  • Page 87

    EPSON Stylus PHOTO 895/785EPX Revision A When replacing the Main board with a new one, perform the Check the Earth terminal and wire position. Refer to the following following service items. figure. The earth wire for 120V must be placed back side of the Heat sinker HT1.

  • Page 88: Ld Roller Removal

    EPSON Stylus PHOTO 895/785EPX Revision A 4.2.9 LD Roller removal Remove two screws (C.B.S 3x6 F/ZN) securing the LD roller holder to the Main frame. Remove the Housing from the printer. (Refer to Section 4.2.1 "Housing Removal") C.B.S 3x6, F/ZN C.B.S 3x8, F/ZN...

  • Page 89

    EPSON Stylus PHOTO 895/785EPX Revision A Push the two hooks of the LD roller shaft holder as shown in the following figure. Remove the LD roller along with the Clutch mechanism from the LD roller shaft holder unit. Pull the LD roller shaft holder unit upward from the Main frame.

  • Page 90

    EPSON Stylus PHOTO 895/785EPX Revision A Do not damage the tooth of the Spur gear 35.2 and the Spur gear Before assembling the LD roller shaft, make sure that the round 23.2 when assembling the LD roller shaft holder unit hole of the Clutch is set on the protrusion on the LD roller shaft as shown in the following figure.

  • Page 91

    EPSON Stylus PHOTO 895/785EPX Revision A Assemble the LD roller shaft holder unit while storing the Paper Fasten the LD roller shaft holder with two screws (C.B.S 3x6 return plate into the ASF frame F/ZN) in the order indicated in the following figure.

  • Page 92: Hp/pe Sensor Removal

    EPSON Stylus PHOTO 895/785EPX Revision A 4.2.10 HP/PE Sensor removal Make sure that the Torsion spring 0.22 is hung to the following suitable position Remove the Housing from the printer. (Refer to Section 4.2.1 "Housing Removal") Remove the LD roller from the LD roller shaft holder. (Refer to Section 4.2.9 "LD Roller removal")

  • Page 93: Ink System Unit Removal (cap & Pump Unit )

    EPSON Stylus PHOTO 895/785EPX Revision A 4.2.11 Ink system unit removal (Cap & Pump unit ) Make sure that the HP or PE sensor cable is placed to the suitable groove on the LD roller shaft holder. Remove the Housing from the printer. (Refer to Section 4.2.1 "Housing Removal") Remove the Waste drain ink pad from the printer.

  • Page 94

    EPSON Stylus PHOTO 895/785EPX Revision A Remove four screws (C.B.S 3x6 F/ZN) securing the Ink system frame and the Cap Release one hook for Cap assembly on the Ink system frame and take the Cap assembly to the frame. assembly out from the Ink system frame.

  • Page 95

    EPSON Stylus PHOTO 895/785EPX Revision A Since the compression spring is included in the Pump assembly, When replacing the Cap Assembly, do not touch the sealing watch out for the spring and the gear that pop out from the unit rubber portion of the Cap Assembly.

  • Page 96

    EPSON Stylus PHOTO 895/785EPX Revision A Make sure that all gears are set in each gear shaft on the Ink Tightening torque for screw system frame. • C.B.S 3x6 F/ZN screw for ink system frame & Cap assembly.: 9+/1 kgf.cm Combination Gear 37.6, 44.4...

  • Page 97: Asf Motor Removal

    EPSON Stylus PHOTO 895/785EPX Revision A 4.2.12 ASF Motor Removal Remove the ASF motor from the ink system frame. Pay attention not to damage gears when attaching the ink system Remove the housing from the printer. (Refer to Section 4.2.1 "Housing Removal") unit.

  • Page 98: Paper Eject Roller Removal

    EPSON Stylus PHOTO 895/785EPX Revision A 4.2.13 Paper Eject Roller removal Remove the Plain washer and then remove the Combination gear 11.6, 36.8 carefully. Refer to Figure 4-47. "Removing the combination gear 11.6, 36.8". Remove the Housing from the printer. (Refer to Section 4.2.1 "Housing Removal") Combination Gear 11.6, 36.8...

  • Page 99

    EPSON Stylus PHOTO 895/785EPX Revision A Rotate the bushing on the shaft of paper eject roller toward the top and release it. Move the paper eject roller to the left side, then take the paper eject roller out from the bushing on the right side and remove the paper eject roller from the left side bushing.

  • Page 100: Pf Motor Removal

    EPSON Stylus PHOTO 895/785EPX Revision A When you assemble the Front frame to the Printer mechanism, 4.2.14 PF motor removal set the CR unit to the left side and assemble the Front frame Remove the Housing from the printer. (Refer to Section 4.2.1 "Housing from the right side.

  • Page 101

    EPSON Stylus PHOTO 895/785EPX Revision A Remove three nuts (Hexagon Nut M3) securing the PF motor to the left frame. Be sure that the PF motor cable is placed to the backward. Refer to the Figure 4-53. "PF motor cable"...

  • Page 102: Cr Unit Removal

    EPSON Stylus PHOTO 895/785EPX Revision A 4.2.15 CR unit removal Remove the Lever, PG’s hook from the installation hole in the right side of the frame, then remove the Lever, PG. Remove the Housing from the printer. (Refer to Section 4.2.1 "Housing Removal")

  • Page 103

    EPSON Stylus PHOTO 895/785EPX Revision A Remove the Lever, PG and torsion spring from the frame. Turn the Bushing, parallelism adjustment, right, align it with the hole in the frame and remove it. C.B.S-TITE (P4) 3x6 F/ZN Bushing, Parallelism adjustment, right Lever, PG, auxiliary Figure 4-56.

  • Page 104

    EPSON Stylus PHOTO 895/785EPX Revision A Unlike the previous products, the oil pad is not built in the CR If the CR unit is disassembled or replaced with a new one, make unit. sure that the CR timing belt is set in the assembling groove correctly as following figure.

  • Page 105: Paper Feed Roller Removal

    EPSON Stylus PHOTO 895/785EPX Revision A 4.2.16 Paper feed roller removal Release one hook located on the right edge of the Front paper guide. Remove the Housing from the printer. (Refer to Section 4.2.1 "Housing Removal") Remove the panel unit from the printer. (Refer to Section 4.2.2 "Operation Panel removal")

  • Page 106

    EPSON Stylus PHOTO 895/785EPX Revision A Lift up the left edge of the Front paper guide while slanting the Front paper guide Fit the protrusions of the Left PF roller bushing to the notches in the frames as by pulling up its front edge, and then slide the Front paper guide to the left side...

  • Page 107

    EPSON Stylus PHOTO 895/785EPX Revision A 11. Fit the protrusions of the Right PF roller bushing to the notches in the frames as After assemble the PF roller, make sure that the dowel of the shown in the following figure.

  • Page 108: Disassembling Asf Frame Unit

    EPSON Stylus PHOTO 895/785EPX Revision A 4.2.17 Disassembling ASF frame unit Remove the Spur gear 23.2 from the ASF frame. Remove the Housing from the printer. (Refer to Section 4.2.1 "Housing Removal") Spur Gear 23.2 Remove the LD roller shaft holder unit (Refer to Section 4.2.9 "LD Roller removal")

  • Page 109

    EPSON Stylus PHOTO 895/785EPX Revision A Remove the Compression Spring 2.67 located between the ASF Frame and the Remove the Torsion spring 25.7 from the bottom of the ASF frame and the Pad Hopper, and remove the Hopper from the ASF frame.

  • Page 110

    EPSON Stylus PHOTO 895/785EPX Revision A Remove the Pad holder (Paper return plate) from the ASF frame When you replace the ASF frame or Hopper with the new one, make sure to lubricate the specific amount of G26 into the groove Pad Holder on ASF frame.

  • Page 111: Preview Monitor Disassembly Procedure, Back Case Removal

    EPSON Stylus PHOTO 895/785EPX Revision A 4.3 Preview monitor disassembly procedure Remove the monitor cable from the hook on the rear case. This section indicates a disassembling procedure of optional preview monitor. 4.3.1 Back case removal Remove the tilt screws and then tilt stand.

  • Page 112: Removal Of The Control Board Unit

    EPSON Stylus PHOTO 895/785EPX Revision A Open the back case, remove the monitor cable connector and then detach the back Remove three connectors attached to the control board unit. case. CN602 CN603 CN602 CN900 CN603 CN900 Connector Figure 4-78. Connectors removal Figure 4-76.

  • Page 113: Panel Unit Removal

    EPSON Stylus PHOTO 895/785EPX Revision A 4.3.3 Panel unit removal Detach the back case (Refer to 4.3.1.) When the panel unit is replaced, make sure to adjust as follows: Brightness adjustment Remove the control board unit. (Refer to 4.3.2) Image pattern inspection Remove two screws securing the panel assembly and then remove the panel assembly.

  • Page 114

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

  • Page 115: Outline, Adjustment Items

    EPSON Stylus PHOTO 895/785EPX Revision A 5.1 Outline This section explains the detailed procedures for adjustment programs. In order to ensure stable printing functions and maintain quality between each printer This section provides explanations on the adjustments required after dismantling and mechanism, it is necessary to set up the adjustment information for each mechanism.

  • Page 116: Parallel Adjustor

    EPSON Stylus PHOTO 895/785EPX Revision A 5.2 Parallel adjustor Ensure that the mark on the bush is aligned with the protruding part of the frame As it is necessary to temporarily remove the bushes and parallel adjustor when when attaching the left and right bush and parallel adjustor to the printer's disconnecting or replacing the carriage unit, parallel adjustments are required.

  • Page 117

    EPSON Stylus PHOTO 895/785EPX Revision A Temporarily move the carriage to the center of the printer, and the place gap Rotate the right-hand bush and parallel adjuster towards you, and set them so that gauges with a thickness of 1.14mm into the left and right paper guides and the they are one cog tooth towards the rear (in the direction where the PG is widened) square hole at the front, as shown in the illustration below.

  • Page 118: Adjustments With The Service Program, Outline, Starting Up The Service Program

    Head ID input Figure 5-3. Program initial screen Bi-D adjustment Select the model name. USB ID input Select the number of the port to which the Stylus PHOTO 895/785EPX is Memory card drive confirmation connected to the computer. Maintenance items Head cleaning...

  • Page 119

    EPSON Stylus PHOTO 895/785EPX Revision A Do not start up the adjustment program before connecting the USB cable to the printer. Be sure to restart the adjustment program if the printer power is turned off or the USB cable is disconnected during the adjustment program execution.

  • Page 120: Eeprom Initial Setting

    EPSON Stylus PHOTO 895/785EPX Revision A 5.3.3 EEPROM initial setting It is required to write the initial setting values into EEPROM when the Main board is replaced. Figure 5-7. EEPROM Initial Setting Click on the [OK] button to write the initial setting values into EEPROM.

  • Page 121: Head Id

    EPSON Stylus PHOTO 895/785EPX Revision A 5.3.4 Head ID This adjustment writes the ID numbers for the Printhead into the EEPROM, and enables the current settings to be confirmed. Figure 5-9. Input head ID Check the 13-character ID written on each of the print heads, and enter the ID for the head that has been replaced.

  • Page 122: Bi-d

    EPSON Stylus PHOTO 895/785EPX Revision A 5.3.5 Bi-D Adjustments are required if the result of the printed Bi-D adjustment pattern looks like the examples shown below. This adjustment prints out a pattern and makes the necessary adjustments to ensure that The lines are not straight: the pattern is printed correctly.

  • Page 123: Usb Id

    ID] has been selected, the value will be displayed in the center of the screen at the The Stylus PHOTO 895/785EPX is equipped with a USB interface as a standard bottom. If [Input USB ID] has been selected, the following screen will be displayed to procedure.

  • Page 124: Memory Card Drive Confirmation, Head Cleaning

    EPSON Stylus PHOTO 895/785EPX Revision A 5.3.7 Memory card drive confirmation 5.3.8 Head cleaning It is possible to check whether the memory card drive is normal when the Main board This function enables the heads to be cleaned forcibly from the operation panel. The is replaced.

  • Page 125: Ink Replenishment

    EPSON Stylus PHOTO 895/785EPX Revision A 5.3.9 Ink replenishment This function implements the initial ink replenishment process. The following ink is to be used for ink replenishment. Black: Unused 1/8 ink cartridge Color: Unused 1/4 ink cartridge Figure 5-17. Initial ink charge Click on the [OK] button to start the ink replenishment procedure.

  • Page 126: Refurbishment For Doa

    EPSON Stylus PHOTO 895/785EPX Revision A 5.3.10 Refurbishment for DOA Click the “EXCHANGE SEQUENCE” in the Transportation Liquid Exchange menu. Exchange sequence 1 If you clean the cavity of the printhead and cap assembly, this function will be useful. Set the dummy I/C filled with S46 liquid into the CR unit and press the “Error After carry out this function, replace the waste drain ink pad reset switch”...

  • Page 127: Protection Counter

    EPSON Stylus PHOTO 895/785EPX Revision A 5.3.11 Protection counter This function enables the protection counter to be confirmed and to be cleared. Figure 5-20. Check the protection counter The following screen will be displayed if [Clear the protection counter value] has been selected to enable the protection counter to be cleared.

  • Page 128: Printing On Normal A4 Paper

    EPSON Stylus PHOTO 895/785EPX Revision A 5.3.12 Printing on normal A4 paper This function prints several test patterns on A4 paper. Figure 5-22. Print A4 pattern Two pieces of A4 paper are used by the check pattern. Set two pieces of A4 paper in the printer, and then click on the [OK] button to commence printing.

  • Page 129: Csic Information

    EPSON Stylus PHOTO 895/785EPX Revision A 5.3.13 CSIC information The CSIC is the EEPROM mounted onto all black and color ink cartridges. Data, such as the life expectancy of the ink, is stored in the EEPROM. The following menu will be displayed when a tick has been added to [CSIC Information] on the supplementary menu.

  • Page 130: Eeprom Data

    EPSON Stylus PHOTO 895/785EPX Revision A 5.3.14 EEPROM data This function enables the EEPROM data to be checked and data written by specifying the EPPROM address directly, even when an error has been triggered. (However, this function cannot be used when the CPU in the main logic circuit, the I/F receiver, the RAM or the EEPROM have been damaged.) The following menu will be displayed...

  • Page 131: Firmware Update, Firmware Update Method

    EPSON Stylus PHOTO 895/785EPX Revision A 5.4 Firmware update This section indicates the update procedures on the firmware in the memory card drive. 5.4.1 Firmware update method Enter the firmware data in the memory card. Prepare the memory card in the FAT format.

  • Page 132: Firmware Version Check Method

    Check the firmware version in the memory card drive. (Refer to the Figure 5-27. "Print Example of Detail Setting Values") Stylus PHOTO 895 EPSON Stylus Photo 895 STATUS SHEET (XXXXXXXX) (c) SEIKO EPSON CORPORATION Firmware version Stylus PHOTO 785 EPX EPSON Stylus Photo 785 STATUS SHEET (XXXXXXXX) (c) SEIKO EPSON CORPORATION Figure 5-27.

  • Page 133: Adjustment/inspection Of The Preview Monitor, Update To The Firmware For Inspection

    EPSON Stylus PHOTO 895/785EPX Revision A 5.5 Adjustment/inspection of the preview monitor Printer initial condition: START • Power cable is disconnected. This section describes the adjustment and inspection items when the control board unit and panel unit of the preview monitor are replaced.

  • Page 134: Brightness Adjustment, Brightness Adjustment Procedures

    EPSON Stylus PHOTO 895/785EPX Revision A 5.5.2 Brightness adjustment To absorb the individual difference between panel units, adjust VR500 and VR501 on the control board. VR500 To check the image, observe from the front against the screen. VR501 5.5.2.1 Brightness adjustment procedures To perform the inspection with the rear case removed, pay great Figure 5-29.

  • Page 135: Image Pattern Inspection

    EPSON Stylus PHOTO 895/785EPX Revision A 5.5.3 Image pattern inspection Table 5-4. Image pattern inspection Inspection item Display image Inspection description This section describes the inspection method of image patterns. Green raster • Total area should be green. To check the image, observe from the front against the screen.

  • Page 136

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

  • Page 137: Cleaning, Overview

    EPSON Stylus PHOTO 895/785EPX Revision A 6.1 Overview Exterior parts Use a clean soft cloth moistened with water and wipe off any dirt. If the exterior parts are stained with ink, use a cloth moistened with neutral detergent to wipe it This section provides information to maintain the printer in its optimum condition.

  • Page 138: Service Maintenance

    EPSON Stylus PHOTO 895/785EPX Revision A 6.1.2 Service Maintenance After the Replacement: Reset the Overflow Counter (Protection Counter A): If print irregularity (missing dot, white line, etc.) has occurred or the printer indicates Power on printer with Error reset SW and Ink Cartridge exchange SW are “Maintenance Error”, take the following actions to clear the error.

  • Page 139

    EPSON Stylus PHOTO 895/785EPX Revision A Table 6-2. Lubrication Point Table 6-2. Lubrication Point Lubrication Type/Point Remarks Lubrication Type/Point Remarks • Use a syringe to lubricate. <Lubrication Point> • Do not attach the grease to other <Lubrication Point> • After lubrication, move the CR •...

  • Page 140

    EPSON Stylus PHOTO 895/785EPX Revision A Table 6-2. Lubrication Point Table 6-2. Lubrication Point Lubrication Type/Point Remarks Lubrication Type/Point Remarks • Use a syringe to lubricate. • Use a syringe to lubricate. <Lubrication Point> <Lubrication Point> • Main frame shaft (Right). Refer to Figure •...

  • Page 141

    EPSON Stylus PHOTO 895/785EPX Revision A G-56 G-26 Figure 6-3. Lubrication point 3 Figure 6-1. Lubrication point 1 G-26 G-26 Figure 6-4. Lubrication point 4 Figure 6-2. Lubrication point 2 Maintenance Overview...

  • Page 142

    EPSON Stylus PHOTO 895/785EPX Revision A G-26 200 mm Figure 6-5. Lubrication point 5 Figure 6-7. Lubrication point 7 G-26 G-26 Figure 6-6. Lubrication point 6 Figure 6-8. Lubrication point 8 Maintenance Overview...

  • Page 143

    EPSON Stylus PHOTO 895/785EPX Revision A G-26 G-26 Figure 6-11. Lubrication point 11 Figure 6-9. Lubrication Point 9 G-26 G-26 Figure 6-12. Lubrication point 12 Figure 6-10. Lubrication point 10 Maintenance Overview...

  • Page 144

    EPSON Stylus PHOTO 895/785EPX Revision A G-26 G-26 Figure 6-15. Lubrication point 15 Figure 6-13. Lubrication point 13 G-26 G-26 Figure 6-16. Lubrication point 16 Figure 6-14. Lubrication point 14 Maintenance Overview...

  • Page 145

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

  • Page 146: Connector Summary, Major Component Unit

    EPSON Stylus PHOTO 895/785EPX Revision A 7.1 Connector Summary Table 7-1. Connector Summary for C408 MAIN Connector Function Table to refer to 7.1.1 Major Component Unit Table 7-2 "CN1 PCMCIA PCMCIA" The Major component units of this printer are as follows.

  • Page 147

    EPSON Stylus PHOTO 895/785EPX Revision A Table 7-2. CN1 PCMCIA Table 7-2. CN1 PCMCIA Signal name Function Signal name Function Voltage sensing 2 1,34,35,68 Ground /CD1 Card detection 17,51 /CD2 Card detection 18,52 41,40,39,38,37, CD15,14,13,12, PCMCIA slot data bus Table 7-3. CN2 Preview Monitor...

  • Page 148

    EPSON Stylus PHOTO 895/785EPX Revision A Table 7-7. CN8 Printhead Table 7-5. CN5 PE Sensor Signal name Function Signal name Function CSIC output Sensor detection signal Black I/C detection signal Ground CSIC output Sensor supply voltage VDD3.3 Logic power supply (+3.3V) Table 7-6.

  • Page 149

    EPSON Stylus PHOTO 895/785EPX Revision A Table 7-8. CN9 Printhead Table 7-11. CN12 PF Motor Signal name Function Signal name Function Thermistor detect signal Phase drive signal (A) Print data output (1) Phase drive signal (-A) Print data output (2)

  • Page 150

    EPSON Stylus PHOTO 895/785EPX Revision A Table 7-13. CN14 Monochrome PNL Signal name Function LCD I/F indication lights-out +3.3V +3.3V power supply LCD I/F chip enable signal +5V power supply LCD I/F shift clock LCD I/F indication data Appendix Connector Summary...

  • Page 151: Eeprom Address Map (printer Section)

    EPSON Stylus PHOTO 895/785EPX Revision A 7.1.2 EEPROM Address Map (printer section) Table 7-14. EEPROM Address Map QPIT Factory Address Explanation Setting Table 7-14. EEPROM Address Map setting setting QPIT Factory Ink counter Clm 000H Address Explanation Setting setting setting...

  • Page 152

    EPSON Stylus PHOTO 895/785EPX Revision A Table 7-14. EEPROM Address Map Table 7-14. EEPROM Address Map QPIT Factory QPIT Factory Address Explanation Setting Address Explanation Setting setting setting setting setting Interface selection Bit7: Reserved ERROR Code (don’t Bit6: Reserved care)

  • Page 153

    EPSON Stylus PHOTO 895/785EPX Revision A Table 7-14. EEPROM Address Map Table 7-14. EEPROM Address Map QPIT Factory QPIT Factory Address Explanation Setting Address Explanation Setting setting setting setting setting 1stDot Position -72<=n<=+72 (by 1/2880inch) Head Actuator Rank +30<=n<=+70 (*1)

  • Page 154: Eeprom Address Map (storage Section)

    EPSON Stylus PHOTO 895/785EPX Revision A 7.1.3 EEPROM Address Map (Storage section) Table 7-15. EEPROM Address Map QPIT Factory Field Description Address Table 7-15. EEPROM Address Map Setting Setting QPIT Factory 0x90 iProduct 0x00 0x74 Address Field Description Setting Setting...

  • Page 155

    EPSON Stylus PHOTO 895/785EPX Revision A Table 7-15. EEPROM Address Map Table 7-15. EEPROM Address Map QPIT Factory QPIT Factory Field Description Field Description Address Address Setting Setting Setting Setting 0x9e iProduct 0x00 0x20 0xb5 iSerial 0x00 0x00 0xb6 0x00...

  • Page 156

    EPSON Stylus PHOTO 895/785EPX Revision A Table 7-15. EEPROM Address Map Table 7-15. EEPROM Address Map QPIT Factory QPIT Factory Field Description Field Description Address Address Setting Setting Setting Setting 0xcc Write Allow or prevent the write operetion to the PCMCIA...

  • Page 157

    EPSON Stylus PHOTO 895/785EPX Revision A Table 7-15. EEPROM Address Map Table 7-15. EEPROM Address Map QPIT Factory QPIT Factory Field Description Field Description Address Address Setting Setting Setting Setting 0xd8 Panel Initial setting for “One” print mode (2) 0x00...

  • Page 158

    EPSON Stylus PHOTO 895/785EPX Revision A Table 7-15. EEPROM Address Map QPIT Factory Field Description Address Setting Setting 0xf0 Reserved 0x00 0x00 0xf1 0x00 0x00 0xf2 0x00 0x00 0xf3 0x00 0x00 0xf4 0x00 0x00 0xf5 0x00 0x00 0xf6 0x00 0x00...

  • Page 159: Exploded Diagram

    EPSON Stylus PHOTO 895/785EPX Revision A 7.2 Exploded Diagram Appendix Exploded Diagram...

  • Page 160

    Without JPN,EAI,LATIN, ECC,EKL,ETT For JPN For JPN PM-790PT/EPSON STYLUS PHOTO 785EPX,895 No.01 10304 Rev.01...

  • Page 161

    712 122 Without JPN,ETT PM-790PT/EPSON STYLUS PHOTO 785EPX,895 For JPN No.02 10304 Rev.01...

  • Page 162

    For EAI,LATIN PM-790PT/EPSON STYLUS PHOTO 785EPX,895 No.03 10304 Rev.01...

  • Page 163

    PM-790PT/EPSON STYLUS PHOTO 785EPX,895 No.04 10304 Rev.01...

  • Page 165: Parts List

    EPSON Stylus PHOTO 895/785EPX Revision A 7.3 Parts List Table 7-16. Parts List Code Name Table 7-16. Parts List "BUTTON,FRAME" Code Name "BUTTON,CROSS KEY" HOUSING "SHIELD PLATE,PANEL,LCD;B" "COVER,PRINTER" "HOUSING,PANEL,SUPPORT,RIGHT" PAPER SUPPORT;B;ENB-7 "HOUSING,PANEL,SUPPORT,LEFT" "HOUSING,PANEL,LEFT" "COVER,COLOR LCD" "HOUSING,PANEL,RIGHT;B" "COVER,LCD;C" "BUTTON,PS" "TAPE,21X62" "BUTTON,THREE TYPE"...

  • Page 166

    EPSON Stylus PHOTO 895/785EPX Revision A Table 7-16. Parts List Table 7-16. Parts List Code Name Code Name "PRINTER MECHANISM(ASP),M-A210-101" "GROUNDINGWIRE,PF" "FRAME ASSY.,MAIN;C" C-RING "COMBINATION GEAR,9.6,24" "PLANE WASHER,12.2X0.5X15" "SPUR GEAR,36.8" CARRIAGE;C "COMBINATION GEAR,37.6,44.4" "SHAFT,CR,GUIDE" PUMP ASSY "SLIDER,CR" CAP ASSY.;B "GROUNDING PLATE,HEAD"...

  • Page 167

    EPSON Stylus PHOTO 895/785EPX Revision A Table 7-16. Parts List Table 7-16. Parts List Code Name Code Name "COMBINATION GEAR,16,21.6" "SHAFT,ROLLER,LD,SUPPORT" "PUSHING NUT,2" "SHAFT,ROLLER,LD;B" "HEXAGON NUT,NORMAL,M3" "ROLLER,LD" "GROUNDING PLATE,HEAD FFC" C.B.S. SCREW "LEVER,PG,SUPPORT" "COMBINATION GEAR,14.4,38.4" LEAF SPRING "COMPRESSION SPRING,2.94;B" "TORSION SPRING,63.7"...

  • Page 168

    EPSON Stylus PHOTO 895/785EPX Revision A Table 7-16. Parts List Table 7-16. Parts List Code Name Code Name "HOUSING SUPPORT,PC CARD" IDLE ROLLER "SHIELD PLATE,P/B,SUPPORT" "HOLDER,IDLE ROLLER" "CAVER,PC CARD" "SPRING,HOLDER,IDLE ROLLER" "REINFORCEMENTPLATE,HOUSING,SUPPORT" "DOUBLE SIDED TAPE,88X20" "SHIELD PLATE,M/B,SUPPORT" "COVER,ROLLER,LD" "PAD,BRAKE,EDGE GUIED"...

  • Page 169: Electrical Circuits

    EPSON Stylus PHOTO 895/785EPX Revision A 7.4 Electrical Circuits The electric circuit diagrams below are shown at the following pages: C408 MAIN control circuit board (1/2) C408 MAIN control circuit board (2/2) C408PSB C408PSE C408 PNL circuit board C408PNL-B circuit board...

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