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“)
EPSON TERM
NAL PRINTER
Myk. 800
SERVICE MANUAL
EPSON
4001968
)
Rev. A
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NOTICE All rights reserved. Reproduction of any part of this manual in any form whatsoever without SEIKO EPSON’s express written permission is forbidden. The contents of this manual are subjects to change without notice. All efforts 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. The above notwithstanding SEIKO EPSON can assume no responsibility for any errors in this manual
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PRECAUTIONS Precautionary notations throughout the text are categorized relative to 1) personal injury and 2) damage to equipment. DANGER Signals a precaution which, if ignored, could result in serious or fatal personal injury. Great caution should be exercised in performing procedures preceded by DANGER Headings. WARN/NG Signals a precaution which, if ignored, could result in damage to equipment. The precautionary measures itemized below should always be observed when performingrepair/ maintena
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PREFACE This manual describes functions, theory of electrical and mechanical operations, maintenance, and repair of stylus 800. The instructions and procedures included herein are intended for the experience repair technician, and attention should be given to the precautions on the preceding page. The chapters are organized as follows: CHAPTER 1. GENERAL DESCRIPTION Provides a general product overview, lists specifications, and illustrates the main components of the printer. CHAPTER 2. OPERATING
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Revision Issue Date Revision Page December 18, 1992 First issue Rev. A Added information: Chapter 2 (Page 2-23) May 7, 1993 Rev. B Chapter 3 (Page 3-5/6) Chapter 6 (Page 6-1/2) Corrected the figure: Rev. C June 11, 1993 Chapter 2 (Page 2-8) Added information: Rev. D March 10, 1994 Appendix (Page A-i, A-5’, A-7’, A-8’, A-9’, A-1 O’) -v-
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TABLE OF CONTENTS CHAPTER 1. GENERAL DESCRIPTION CHAPTER 2. OPERATING PRINCIPLES CHAPTER 3. DISASSEMBLY AND ASSEMBLY CHAPTER 4. ADJUSTMENTS CHAPTER 5. TROUBLESHOOTING CHAPTER 6. MAINTENANCE APPENDIX - vi -
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General Description Chapter 1 Table of Contents 1-1 1.1 FEATURES 1-2 1.2 SPECIFICATIONS Printing Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2 1.2.1 Paper Handling Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. ...1-4 1.2.2 1.2.3 Paper Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............1-4 1.2.4 Ink Cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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List of Tables Table 1-1. Print Speed and Printable Columns . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Table 1-2. Character Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Table l-3. Adjust Lever Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ......1-6 Table l-4. Environmental Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...1-7 Table l-5. Electrical Specifications . . . . . . . . . . . . . .
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General Description STYLUS 800 Service Manual 1.1 FEATURES The Stylus 800 is a serial inkjet printer that uses a newly developed inkjet technology to accomplish a superb quality output with high-speed printing. The major features of this printer are: Ll High print quality from a new inkjet technology. Cl Fast printing of LQcharacters at 150 cps. Cl Compact design saves precious work space. Ci Built-in auto sheet feeder with a capacity fora maximum of 100 cut sheets (either A4 or Letter). D Equip
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STYLUS 800 Service Manual General Description 1.2 SPECIFICATIONS This section provides detailed statistics for this printer. { 1.2.1 Printing Specification On-demand ink jet system Print system: 48 nozzles (12 nozzles x 4 staggered columns) Nozzle configuration: 0 Paper feed direction I I . . II I I I I i i ,, I I I I i’ ..., * i i i #45 Qi . Figure 1-2. Nozzle Configuration Bidirectional printing with logical seeking control Printer direction: See Table 1-1. PMt speed: Printable columns: See Ta
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Geneml Descri@ion STYLUS 800 Service Manual Character sets: Legal and 14 international character sets. See Table 1-2. Character tables: Table 1-2. Character Tables Character Table US Version European Version Pacific Version ITALIC o 0 0 PC437 (U.S./Standard Europe) o 0 0 PC850 (Multilingual) o 0 0 PC860 (Portuguese) o 0 0 PC863 (Canadian-French) o 0 0 PC865 (Nodic) o o I I I o x x PC437 Greek o I I I PC851 (Greek) x x o x PC852 (East Europe) o x x PC853 (Turkish) o x x PC855 (Cyrillic) o x PC857
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STYLUS 800 Sewice Manual General Description 1.2.2 Paper Handling Specification Friction feed from built-in sheet feeder or manual insertion slot. Feeding system: .: f“” . .. . . . Notes: The following operation are not al/owed. 1. Reverse feeding within 3 mm (O. 12 inches) from the top edge of the paper or 16 mm (0.63 inches) from the bottom edge of the paper. 2. Reverse feeding beyond 7.9 mm (0.3 inches). mmable with a 1/360 inch minimum increment. 1/6, 1/8 inch feed or progra Feeding pitch: B
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Geneml Description STYLUS 800 Service Manual Printable area: Cut Sheet (with built-in sheet feeder) c B (Right marain]~ (Left marain)> — . 4 r r A ! (Top margin) Printable area ID I (Bottom margin) 1 Figure 1-3. Printable Area - Cut S~eet (Built-in Sheet Feeder) Cut Sheet / Envelope (with the manual insertion slot) c B * (Left marain) ~. A (Top margin) Printable area L &ottom margin) Figure 1-4. Printable Area - Cut Sheet/ Envelope (Manual Insertion Slot) A: The minimum top margin= 3 mm (0.12”)
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SNLUS 800 Service Manual General Description The adjust lever, attached to the carnage unit, must be set to proper Adjust lever settings: position for the paper thickness, as shown in Table 1-3. Table 1-3. Adjust Lever Settings Lever Position Paper Type Paper Thickness LEFT Cut Sheets ~;%26--00~iO!$ 0.16- 0.52 mm RIGHT Envelopes (0.0063- 0.020”) Plain paper, (-.. I /1 \ I I -. - . . . . . . . . . . . - . . . . . . . . .- Figure 1-5. Adjust Lever 1.2.4 Ink Cartridge Exclusive cartridge (S020025)
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Genera/ Descriptim STYLUS 800 Service Manual 1.2.5 Environmental Conditions Table 1-4. Environmental Conditions Description Operating Storage Temperature 10-35 ‘c (50 - 95 ‘I=)(*1) -20- 60 “C (-4 - 140 ‘F) (*2) Humidity 20- 80% RH (*1,*3) 5- 85~0 RH (*2,*3) 1 G, within 1 msec. 2 G, within 2 msec. (*2) Resistance to shock 0.15 G, 10-55 Hz 0.50 G, 10-55 Hz (*2) Resistance to vibration Note: ● 1 = Operating conditions must be in this range. *2= When the printer is in the shipping container. ●3 = Wi
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STYLUS 800 Service Manual General Description 1.2.7 Reliability MTBF: 4000 power on hours (POH) at a duty cycle of 10% MCBF: 3 million lines (excluding the printhead) 1 billion dots per nozzle Printhead life: 75000 pages (with A4 or Letter size paper) Total print volume: 1.2.8 Safety Approval Safety standards: US version: UL1950 with D3 CSA22.2 %220 European version: EN 60950 (~V) IEC 950 (SEMKO, DEMKO, NEMKO, SETI) Radio frequency interface (RFI): US version: FCC part 15, subpart B, Ck.S B Euro
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GenemlDescription SNLUS 800 Service Manual 1.3 INTERFACE SPECIFICATION The Stylus 800 is equipped with an 8 bit parallel interface, standard. 8 bit parallel Data format: STROBE pulse swchronization Synchronization: By BUSY and ACKNLG signals Handshaking: TTL-compatible level Signal level: 36-pin 57-30360 (Amphenol) or equivalent Adaptable connector: Data transmission timing: See Figure 1-7. i’b-- \ DATA STROBE— — L- O. SuS(Min.) O. SuS(Min.) L!& O. SuS(Min.) Figure 1-7. Data Transmission Timing
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SNLUS 800 Service Manual General Description Table 1-6. Signal and Connector Pin Assignments (Continued) Description Signal Name I/o Pin No. Signal ground. 16 GND Chassis ground. (Both chassis ground and signal ground are - 17 CHASSIS-GND connected in the ptinter.) Not USed. 18 NC Twisted-pair return signal ground. 19-30 GND If this signal goes LOW, the printer is initialized. The pulse I 31 INIT width of this signal must be 50 pS or more. This signal goes LOW if the printer: 32 ERROR o - has a
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STYLUS 800 Service Manual General DescriWion 1.4 PRINTER OPERATIONS This section describes the basic operations of the printer. 1.4.1 Control Panel The control panel of this printer contains five non-lock type push buttons and nine LED indicators for easy operation of the various printer functions. r \ [ jALT O PAPER OUT O INK OUT 5 I I o ECONOMY II h. /10 CONDENSED [ ,, ju 1 1 1’ I I I J I r , r FONT 000 Q D Courier R E SET Romm T PS) ~:a: ( $s) LOAD / Saris Sarif EJECT Prestige 5 script Ii3 Fi
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STYLUS 800 Service Manual General Description 1.4.2 Panel Operation at Power On The following functions can be activated at power on by holding down the specified button on the control panel. Self-test mode: Start the self-test printing mode by turning the printer on while holding down the FONT button. Hex dump mode: Start the built-in hexadecimal data dump print mode by returning the printer on while holding down the FONT and LOAD/EJECT buttons. Once this mode is selected, the printer prints al
