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SQ-850
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Epson SQ-850 Technical Manual
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Contents
Table of Contents
Bookmarks
Table of Contents
Revision Table
Table of Contents
Table 1-1. Expendables and Options
Specifications
Figure 1-2. Nozzle Configuration
Figure 1-3. Head Adjust Lever
Figure 1-4. Cut Sheet Printable Area
Figure 1-5. Fan-Fold Paper Printable Area
Figure 1-6. Envelope Printable Area
Table 1-2. Envelope Specifications
Figure 1-7. Label Dimensions
Table 1-3. Dimensions and Weight
Software Specifications
Table 1-4. Fonts
Table 1-5. Print Speed, Printable Columns, and
Figure 1-9. Subscript Character Matrix
Figure 1-10. Superscript Character Matrix
Table 1-6. Printing Mode, Horizontal Dot Density
Table 1-7. Bit Image Printing
Parallel Interface Specifications
Figure 1-11. Interface Timing Chart
Figure 1-12. 57-30360 36-Pin Connector
Autofeed-Xt
Table 1-8. 8-Bit Parallel IIF Connector Pin Assignment
Table 1-9. Printer Select/Deselect Control with
Figure 1-13. Handshaking for RS-232C Interface
Table 1-10. Serial Interface Handshaking
Figure 1-14. Serial Data Transmission Timing
Figure 1-15. Serial Interface Connector
Figure 1-16. Control Panel
Micro Feed
Paper out
Memory Clear
Table 1-12. Operation Flow in the Selectype Mode
Figure 1-17. Head Cleaning Timing Chart
Figure 1-18. Ink Path Conditions at Delivery from the Factory
Figure 1-19. Paper Conditions Just after Printing
Various Detection Functions
Ink-End Detection Function
Paper-Out Detection and
Cover Open Detection Function
Error Detection Mechanism
Main Components
Printer Mechanism
Figure 1-21. SEIPS Board Unit
Figure 1-22. SANPSE Board Unit
Figure 1-24. SEIPNL Board
Figure 1-25. Housing
Chapter 2 Operating Principles
SEIMA Board
Operation of the Power Supply Circuit
VDC Voltage Control Circuit
VDC Supply Circuit
Acceleration Cont Rol
Deceleration Control
List of Tables
Optional Interfaces
Cut Sheet Feeder
Mechanism Operation
Chapter 4 General Description
SEIPS/SANPSE Board Unit
Before Disassembly
Disassembly and Assembly
Case Removal
Unit Replacement
Diagnostics Tool
Preventive Maintenance
Lubrication and Adhesive Application
Figure 1-23. SEIMA Board
List of Figures
READY Led
Diagrams and Schematics
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Summary of Contents for Epson SQ-850
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Page 8: Revision Table
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Page 12: Table Of Contents
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Page 16: Table 1-1. Expendables And Options
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Page 17: Specifications
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Page 18: Figure 1-3. Head Adjust Lever
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Page 19: Figure 1-4. Cut Sheet Printable Area
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Page 20
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Page 21: Figure 1-5. Fan-Fold Paper Printable Area
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Page 22: Figure 1-6. Envelope Printable Area
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Page 23: Figure 1-7. Label Dimensions
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Page 26: Table 1-3. Dimensions And Weight
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Page 27: Software Specifications
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Page 28: Table 1-5. Print Speed, Printable Columns, And
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Page 29: Figure 1-9. Subscript Character Matrix
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Page 30: Table 1-6. Printing Mode, Horizontal Dot Density
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Page 31: Table 1-7. Bit Image Printing
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Page 32: Parallel Interface Specifications
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Page 33: Autofeed-Xt
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Page 34: Table 1-9. Printer Select/Deselect Control With
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Page 35: Figure 1-13. Handshaking For Rs-232C Interface
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Page 36: Figure 1-14. Serial Data Transmission Timing
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Page 37
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Page 38: Figure 1-16. Control Panel
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Page 39
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Page 40: Micro Feed
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Page 41: Paper Out
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Page 43: Table 1-12. Operation Flow In The Selectype Mode
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Page 47: Figure 1-17. Head Cleaning Timing Chart
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Page 48: Figure 1-18. Ink Path Conditions At Delivery From The Factory
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Page 52: Figure 1-19. Paper Conditions Just After Printing
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Page 54: Various Detection Functions
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Page 55: Paper-Out Detection And
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Page 56: Cover Open Detection Function
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Page 58: Main Components
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Page 59: Figure 1-21. Seips Board Unit
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Page 60
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Page 61: Figure 1-24. Seipnl Board
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Page 62: Figure 1-25. Housing
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Page 63: Chapter 2 Operating Principles
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Page 70: Seima Board
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Page 79: Operation Of The Power Supply Circuit
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Page 84: Vdc Voltage Control Circuit
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Page 91: Vdc Supply Circuit
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Page 103: Acceleration Cont Rol
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Page 144: List Of Tables
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Page 145: Optional Interfaces
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Page 148: Cut Sheet Feeder
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Page 153: Mechanism Operation
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Page 159: Chapter 4 General Description
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Page 163: Before Disassembly
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Page 170: Disassembly And Assembly
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Page 175: Case Removal
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Page 221: Unit Replacement
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Page 233: Diagnostics Tool
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Page 249: Preventive Maintenance
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Page 257: Figure 1-23. Seima Board
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Page 273: Ready Led
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Sq-2550
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