&RORU,QN-HW3ULQWHU EPSON Stylus Color 850 ® 4009157...
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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.
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THE POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS. WARNING 1. REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN. 2. MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE.
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CHAPTER 5. ADJUSTMENTS Provides Epson-approved methods for adjustment. CHAPTER 6. MAINTENANCE Provides preventive maintenance procedures and the lists of Epson-approved lubricants and adhesives required for servicing the product. APPENDIX Provides the following additional information for reference: • Connector pin assignments •...
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REVISION STATUS Rev. Date Page(s) Contents 1998/04/9 First release...
EPSON Stylus Color 850 Chapter 1 Product Descriptions 1.1 FEATURES The EPSON Stylus COLOR 800/850 are a high-performance color ink jet printer designed for the small office/home office (SOHO) market. The main features of this printer are: High print quality for color graphics...
EPSON Stylus Color 850 Chapter 1 Product Descriptions 1.3 MAIN COMPONENTS The main components of the Stylus COLOR 800/850 are: Main control board C202 MAIN board Power supply board C202 PSB/PSE board Control panel bard C202 PNL board Printer mechanism Housing The following figure shows the main component layout of the Stylus COLOR 850.
EPSON Stylus Color 850 Chapter2 Operating Principles 2.1 OVERVIEW Compared with printing mechanism parts and electric circuit parts of Stylus Color800, following differences can be found in Stylus Color 850. Printing Mechanism: By registering same 5 digits head ID as Stylus Color800 to EEPROM, using exclusive program, ID for super micro dot can be calculated and registered automatically.
& + $ 3 7 ( 5 DISASSEMBLY AND ASSEMBLY Since basic component of Stylus Clor850 is same as the one of Stylus Color800, refer to Service Manual of Stylus Color 800 for disassembly and assembly procedure.
EPSON Stylus Color 850 Chapter4 Adjustment 4.1 OVERVIEW Note following points, although adjustment item is same as Stylus Color 800. Since the program is not Basic but made by “C” Language and designed for the purpose of repairing, it differs from the one on the manufacture line. Symptom of fatal error does not occur, even if adjustment item is freely selected.
& + $ 3 7 ( 5 TROUBLESHOOTING Since the basic component of Stylus Color850 is same as the one of Stylus Color800, refer to Trouble shooting in Service Manual of Stylus Color 800 for actual procedure.
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& + $ 3 7 ( 5 MAINTENANCE Since the basic component of Stylus Color850 is same as the one of Stylus Color800, refer to “Maintenance” in Service Manual of Stylus Color800.
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& + $ 3 7 ( 5 APPENDIX Since the basic component of Stylus Color850 is same as the one of Stylus Color800, refer to “Appendix” in Service Manual of Stylus Color800.