Epson 440 - Manual (Page 6)

Product Description
Features .................................................................................................. 9
Specifications ........................................................................................ 11
Printing Specification........................................................................ 11
Paper Specification .......................................................................... 15
Printing Area..................................................................................... 17
Ink Cartridge Specifications.............................................................. 20
Environmental Condition .................................................................. 22
Electric Specification ........................................................................ 23
Reliability .......................................................................................... 23
Safety Approvals .............................................................................. 23
Acoustic Noise.................................................................................. 24
CE Marking....................................................................................... 24
Input Data Buffer .............................................................................. 24
Interface................................................................................................. 25
Parallel Interface (Forward Channel) ............................................... 25
Parallel Interface (Reverse Channel) ............................................... 27
Serial Interface (for Stylus Color 640, 740) ...................................... 31
Control Panel......................................................................................... 32
Indicators (LEDs).............................................................................. 32
Panel Functions................................................................................ 33
Printer Condition and Panel Status .................................................. 34
Error Status ........................................................................................... 35
Ink Out.............................................................................................. 35
Paper Out ......................................................................................... 35
Paper Jam ........................................................................................ 35
No Ink-Cartridge ............................................................................... 36
Maintenance Request ...................................................................... 36
Fatal Errors....................................................................................... 36
Printer Initialization ................................................................................ 37
Initialization Settings.............................................................................. 37
Main Components ................................................................................. 38
Printer Mechanism ........................................................................... 38
C206 Main-B Board (Stylus Color 440) ............................................ 39
C256 Main Board (Stylus Color 640)................................................ 39
C257 Main Board (Stylus Color 740)................................................ 40
Power Supply Board
C206 PSB/PSE (Stylus Color 440, 640)
C257 PSB/PSE (Stylus Color 740)................................................... 40
C206 PNL Board (Stylus Color 440, 640)......................................... 41
C209 PNL Board (Stylus Color 740)................................................. 41
Operating Principles
Overview................................................................................................ 43
Printer Mechanism............................................................................ 44
Electrical Circuit Operating Principles.................................................... 56
C206 PSB/PSE and C257 PSB/PSE Power Supply Board (for Stylus Color
440, 640, 740) .................................................................................. 57
C206 Main-B, C255 Main (for Stylus Color 440) .............................. 60
C256 Main (for Stylus Color 640) ..................................................... 62
C257 Main, (for Stylus Color 740) .................................................... 64
Troubleshooting
Troubleshooting ..................................................................................... 82
Unit Level Troubleshooting .................................................................... 85
Printer does not operate at power on. .............................................. 85
Error is detected ............................................................................... 86
Failure occurs during printing ........................................................... 86
Printer does not feed paper correctly. .............................................. 87
Control panel operation is abnormal................................................. 87
Unit Repair of Power Supply Board ....................................................... 88
Unit Repair of the Main Board ............................................................... 91
Repair of the Printer Mechanism ........................................................... 96
Disassembly and Assembly
Overview.............................................................................................. 100
Precautions for Disassembling the Printer ..................................... 100
Tools............................................................................................... 101
Specification for Screws ................................................................. 102
Service Checks After Repair .......................................................... 103