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SERVICE MANUAL
All-in-one printer, scanner, and copier
EPSON STYLUS Scan 2500
®
SEIJ99007
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EPSON STYLUS Scan 2500 Revision A Notice: All rights reserved. No part of this manual may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SEIKO EPSON CORPORATION. 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 detecte
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N O I W EPSON STYLUS Scan 2500 Revision A PRECAUTIONS There are cautionary notes throughout the text to help you avoid personal injury or equipment damage. Signals a precaution which, if ignored, could result in ARNING Signals a precaution which, if ignored, could result in CAUT serious or fatal personal injury. Great caution should be damage to equipment. exercised in performing procedures preceded by a WARNING heading. Always observe the measures listed below when performing repair or main
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EPSON STYLUS Scan 2500 Revision A PREFACE This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of EPSON STYLUS Scan 2500. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page. The chapters are organized as follows: CHAPTER 1. “Product Description” Provides a general overview and specifications of the product.
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EPSON STYLUS Scan 2500 Revision A Revision Status Revision Issued Date Description Revision A October 5, 1999 First release 5
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EPSON STYLUS Scan 2500 Revision A 6
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EPSON STYLUS Scan 2500 Revision A Contents Physical Characteristics ............................................................................. 32 Product Description Dimensions ............................................................................................ 32 Features....................................................................................................... 10 Weight .................................................................................................... 3
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EPSON STYLUS Scan 2500 Revision A Printer Related Troubleshooting ............................................................... 65 Adjustment Scanner Troubleshooting .......................................................................... 69 Required Adjustments ............................................................................. 113 Troubleshooting Motors and Sensors ...................................................... 73 Adjustment Tools Required.................................
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CHAPTER 1 PRODUCT DESCRIPTION
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EPSON Stylus Scan 2500 Revision A 1.1 Features 1.2 General Specifications The following specifications apply to the EPSON Stylus Scan 2500. 1.2.1 Local copy High quality local copy 1. Local copy Three color copy modes Normal, Fine, and Photo Table 1-1. Local Copy Specifications “Photo quality copy by Photo paper” enabled Scan Output Print Micro Head Mode Dot Size Media Two B/W copy modes Normal, Fine res. mode res. Weave seq. High speed local copy Normal 300x300 Gray 360x360 Off
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EPSON Stylus Scan 2500 Revision A 6. Printing paper size Normal paper A4/Letter/A5/Executive Table 1-2. Scan Area Half letter/B5/A6/Index card Document PW PL LM RM TM BM 5x8”/8 x10”/Post card/Legal size (width) (length) (left) (right) (top) (bottom) Photo paper A4/ Letter/4x5”/Post card at least at least at least at least A4 210mm 297mm 3mm 3mm 3mm 3mm 1.2.2 Scan area at least at least at least at least PW Letter 216mm 279mm Document 3mm 3mm 3mm 3mm edge (scale RM LM edge) Starting scan p
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EPSON Stylus Scan 2500 Revision A 1.2.3 Print area Table 1-3. Print Area Document PW PL LM RM TM BM PW RM at least at least at least at least A4 210mm 297mm LM 3mm 3mm 3mm 3mm Paper feed direction at least at least at least at least Letter 216mm 279mm 3mm 3mm 3mm 3mm TM at least at least at least at least B5 182mm 257mm Printable Area 3mm 3mm 3mm 3mm at least at least at least at least Legal 216mm 356mm 3mm 3mm 3mm 3mm PL BM Figure 1-2. Print Area Product Description General Specification
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EPSON Stylus Scan 2500 Revision A 1.2.4 Printing 1.2.6 Control codes Print method Drop On Demand ink jet ESC/P Raster Epson Remote Command Nozzle configuration monochrome 144 nozzles (48 x 3 staggered) color 48 nozzles each (cyan, magenta, yellow) 1.2.7 Paper feed Print direction Bi-direction with logic seeking 1. Feeding method Friction feed with ASF Print speed & printable columns 2. Line spacing 1/6 inch or programmable at 1/360 Table 1-4. Character code 3. Paper path cut-sheet AS
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EPSON Stylus Scan 2500 Revision A 1.2.8 Paper LM RM Cut-sheets size: A4 210(W) x 297mm (L) (8.3 x 11.7”) Letter 216 x 279mm (8.5 x 11.0”) TM B5 182 x 257mm (7.2 x 10.1”) Legal 216 x 356mm (8.5 x 14.0”) Statement 139.7 x 215.9mm (5.5 x 8.5”) Executive 184.2 x 266.7mm (7.25 x 10.5”) Photo paper 101.6 x 152.4mm (4 x 6”) thickness: 0.08~0.11mm (0.003~0.004”) Printable Area 2 2 weight: 64g/m ~90g/m (17~24lb.) BM quality: Exclusive paper, bond paper, PPC OHP sheets, Glossy paper size: A4 210(
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EPSON Stylus Scan 2500 Revision A 2. Ink cartridge (color) 1.2.9 Ink Type: Exclusive cartridge 1. Ink cartridge (black) Colors: Magenta, cyan, and yellow Type: Exclusive cartridge Print capacity: 300 pages/A4 (360 dpi, 5% duty each color) Color: Black Ink life: Two years from production date Print capacity: 900 pages/A4 (ISO/IEC 10561 Letter pattern 360dpi Storage temperature: -20~40°C (storage, less than a month at 40°C) Ink life: Two years from production date -30~40°C (packing storage, less
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EPSON Stylus Scan 2500 Revision A Line art Fixed threshold 1.3 Scanner TET Product type Flat-bed color image scanner Digital halftoning AAS Error diffusion three modes (A,B,C) Sub scan method Movement of scan head (Bi-level, Quad-level) Dither (resident) four modes (A,B,C,D) Photoelectric device Color CCD line sensor Dither (user defined) two modes (A,B) Max. scan area 8.5 x 11.7” (216 x 297mm) Interface USB and IEEE1284.4 Max. effective pixels 5100 x 7020 pixels (600dpi) Light source White col
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EPSON Stylus Scan 2500 Revision A 1.4.2 Safety, EMC 1.4 Common Safety UL1950 (UL) CSA C22.2 No. 950 (CSA) 1.4.1 Electrical specifications EN60950 (VDE) Rated voltage AC 100~120V IEC950 (ROSTEST, PSB) AC 220~240V EMC FCC Part15 Subpart B Class B Input voltage AC 100~120V ±10% CSA C108.8 Class B AC 220~240V ±10% AS/NZS3548 Class B CISPR Pub22 Class B Rated current 0.7A (AC 100~120V ±10% model) CNS13438 Class B 0.4A (AC 220~240V ±10% model) CE Marking Rated frequency range 50~60 Hz Low voltage d
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EPSON Stylus Scan 2500 Revision A 1.4.3 Environmental conditions 1.4.4 Resistance to electric noise Temperature 10~35°C (operating, see figure below) Static electricity panel - 10kV -20~60°C (non-operating, in packaging) metal - 7kV/150pF, 150 Ω One month at 40°C 120 hours at 60°C 1.4.5 Reliability Humidity 20~80% RH (operating, without condensation, see Total print volume 60,000 pages (A4, Letter) figure below) 5~85% RH (non-operating, in packaging without Printhead life 4 billion dots/nozz
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EPSON Stylus Scan 2500 Revision A Packet Refer to the IEEE-1284 Standard for Data Delivery 1.5 Interfaces and Logical Channels for IEEE Std. 1284.4 Interface (Draft D1.50) This section is divided into printer and scanner interface specifications. See Refer to the IEEE-1284 specification the following section for printer interface details or see “Scanner interfaces” on pag e22 for scanner interface details. Signal level TTL compatible level (IEEE-1284 Level 1 device) Da
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EPSON Stylus Scan 2500 Revision A USB PREVENTING DATA TRANSFER TIME-OUT OF HOSTS Standard :based on Generally, hosts abandon data transfer to peripherals when a peripheral is “Universal Serial Bus Specifications Revision 1.0” continuously in the busy state for dozens of seconds. To prevent hosts from “Universal Serial Bus Device Class Definition for entering this kind of time-out period, the printer slows down the data Printing Devices Version 1.0” reception rate to around several bytes
