Table Of Contents - Epson ActionPrinter 3000 LQ-200 Service Manual

Chapter 1
Features ........................................................................................... l-l
Specifications ................................................................................... 1-3
Hardware Specifications ............................................................ l-3
Firmware Specifications (ESCYP) ............................................... l-9
Parallel Interface ............................................................................. 1-14
DIP Switches and Jumpers.............................................................. 1-18
DIP Switches.............................................................................. l-18
Jumpers ..................................................................................... l-20
Operating Instructions .................................................................... 1-21
SelecType ................................................................................... 1-21
Self Test ..................................................................................... 1-21
Demonstration ........................................................................... l-22
Hexadecimal Dump Function .................................................... l-23
Bit Image Printing .................................................................... l-24
Error Conditions ........................................................................ 1-25
Buzzer Operation ....................................................................... l-25
Printer Initialization ................................................................. 1-26
Default Values ........................................................................... l-27
Head Adjust Lever.. ................................................................... 1-28
Printhead Protection During Heavy Duty Printing.. ............... 1-29
Main Components............................................................................ l-29
CO64 MAIN PCB ....................................................................... l-30
Control Panel PCB .................................................................... l-30
PEBFIL-II PCB .......................................................................... 1-31
Transformer ............................................................................... 1-31
Model 5ClO Printer Mechanism................................................ 1-32
Housing ...................................................................................... 1-33
Chapter 2
Overview .......................................................................................... 2-l
Connector Summary .................................................................. 2-l
Overview of Printer Mechanism Operation .............................. 2-3
Circuit Overview........................................................................ 2-7
Firmware Overview ................................................................... 2-8
Principles of Operation .................................................................... 2-9
Power Supply Circuit ................................................................. 2-9
Reset Circuit .............................................................................. 2-25
Address Decoder and Bank Register ......................................... 2-29
Carriage Operation ................................................................... 2-30
Paper Feeding ........................................................................... 2-43
Printhead ................................................................................... 2-47
A/D Converter Circuit ............................................................... 2-52
Host Interface ............................................................................ 2-55
Ribbon Feed Mechanism............................................................ 2-56
LQ200/AP3000
General Description
Principles of Operation
V