Xerox Phaser 840, Руководство по обслуживанию, Страница: 7 / 287

Contents i
Contents
User safety summary ......................................................................................... iii
Service safety summary..................................................................................... iv
List of Tables .................................................................................................... vii
List of Figures.................................................................................................... ix
General Information 1 - 1
Phaser 840 Printer Overview ..........................................................................1 - 2
Phaser 850 Printer Overview ..........................................................................1 - 4
Phaser 860 Printer Overview ..........................................................................1 - 5
Solid inks ................................................................................................................1 - 6
Phaser 840/850 RAM and Printer Capabilities.......................................................1 - 7
Memory Considerations Phaser 840/850........................................................1 - 8
Phaser 860 RAM and Printer Capabilities....................................................1 - 10
Memory Considerations Phaser 860.............................................................1 - 11
Print Engine Assemblies 840/850/860..................................................................1 - 12
Circuit Boards...............................................................................................1 - 13
The printer’s I
2
C bus ....................................................................................1 - 15
Printhead Maintenance System.....................................................................1 - 16
Sensor Maps..................................................................................................1 - 17
Combination sensors and their meanings .....................................................1 - 20
Media tray type sensing ................................................................................1 - 20
The Main Board....................................................................................................1 - 21
Front Panel - Phaser 840/850 Printers ..................................................................1 - 23
Front Panel - Phaser 860.......................................................................................1 - 24
Rear Panel Connections........................................................................................1 - 25
Rear Panel Status LEDs................................................................................1 - 28
DIP Switches ................................................................................................1 - 28
Phaser 840, 850 and 860 Printer Differences .......................................................1 - 29
Specifications........................................................................................................1 - 31
Regulatory Specifications.............................................................................1 - 35
Error Codes and Messages 2 - 37
Phaser 840/850 Rear Panel PS and PE LED Codes .............................................2 - 37
Phaser 860 Power-Up Error Messages and LED Codes.......................................2 - 40
The BIST (Built-In Self Test).......................................................................2 - 40
POST (Power On Self Test) .........................................................................2 - 41
Fault Codes ...........................................................................................................2 - 44