Service manual

vi DECcolorwriter 1000
3 Verifying the Printer and Host Connections
Verifying printing to a Macintosh 3-1
Selecting the printer via the Chooser 3-1
Print the directory from Macintosh 3-2
Verifying that an application communicates to the printer 3-2
Using the Error Handler utility 3-3
Verifying printing to a PC 3-3
DOS connection verification 3-3
Windows 3.1 driver verification 3-4
OS/2 connection verification 3-5
Veryifing printing to a PC using the Error Handler utility 3-6
Verifying printing to a workstation using the Error Handler utility 3-7
4 Key Operator Training
Printer controls and indicators 4-2
Loading media 4-3
Cleaning 4-3
Clearing paper jams 4-4
Warranty information 4-4
Supplies ordering 4-5
5 Theory of Operation
Print engine 5-2
Wax transfer — the engine's printing technology 5-2
The print process 5-2
Plain-paper printing 5-4
Image data 5-5
Creating colors 5-5
Engine control board block description 5-6
CPU 5-7
Interface buffers 5-7
Data controller and line buffers 5-7
Heat controller (dot compensation) 5-7
Thermal head controller 5-8
Thermal head 5-8
Mechanical controller 5-8
Internal test pattern generator 5-8