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DECcolorwriter 1000
Digital Equipment DECcolorwriter 1000 Manuals
Manuals and User Guides for Digital Equipment DECcolorwriter 1000. We have
1
Digital Equipment DECcolorwriter 1000 manual available for free PDF download: Service Manual
Digital Equipment DECcolorwriter 1000 Service Manual (212 pages)
Color Printer
Brand:
Digital Equipment
| Category:
Printer
| Size: 1 MB
Table of Contents
Users Safety Summary
3
Table of Contents
5
1 General Information
17
Figure 1-1. the Deccolorwriter 1000 (Shown with the Lower Tray Assembly)
17
Deccolorwriter 1000
18
Plain-Paper Printing
18
Figure 1-2. Internal Features of the Deccolorwriter 1000 Print Engine
19
Print Engine Assemblies
19
Figure 1-3. Sensors and Switches on the Deccolorwriter 1000 Print Engine
20
Combination Sensors and Their Meanings
21
Transfer Roll Type Sensing
21
Table 1-1. Transfer Roll Core Sensor Combinations
21
Media Tray Type Sensing
22
Table 1-2. Tray Switch Sensor Combinations
22
Figure 1-4. Features of the Deccolorwriter 1000 Image Processor Board
23
Image Processor Boards
23
Rear Panel
24
Figure 1-5. Deccolorwriter 1000 Rear Panel
25
Table 1-3. Deccolorwriter 1000 Rear Panel DIP Switches
25
Front Panel
26
Figure 1-6. Deccolorwriter 1000 Front Panel
26
Front Panel LED Service Mode Error Codes
27
Table 1-4. Service Mode Error Code Summary
27
Specifications
28
Table 1-5. Physical Dimensions
28
Table 1-6. Printer Clearances
28
Table 1-7. Functional Specifications
29
Table 1-8. Electrical Specifications
30
Table 1-9. Environmental Specifications
31
Regulatory Specifications
32
2 Installing the Printer and Drivers
33
Pre-Install Questions for Customers
34
Unpacking
37
Inventory for the Deccolorwriter 1000 Printer
37
Figure 2-1. the Deccolorwriter 1000 Packaging
38
Setting up the Printer
39
Cabling the Printer
40
Connecting the Printer to a Macintosh
40
Localtalk Connection to a Macintosh
40
Connecting the Printer to a PC
40
Direct Connection to a PC
40
Connecting the Printer to a Workstation
41
Direct Connection to a Workstation
41
Turning on the Printer
42
The Startup
42
The Configuration Page
43
Table 2-1. Configuration Page Settings for Deccolorwriter 1000 Printers
43
Driver and Communication Setup
45
Loading the Macintosh Driver
45
Installing the Custom Driver for Windows 3.1
46
Configuring the Custom Windows Printer Driver
46
Updating the Standard Microsoft Windows Postscript Driver
49
Installing the Printer Driver for OS/2 Version 2
49
Configuring the Printer's Serial Port for a PC
52
Deccolorwriter 1000
52
Table 2-2. Values for Modifying the DEVPARAMS.PS File
53
Using Printcap to Configure a Unix Workstation for the Printer's Serial Port
54
Service Manual
55
3 Verifying the Printer and Host Connections
57
Verifying Printing to a Macintosh
57
Selecting the Printer Via the Chooser
57
Print the Directory from Macintosh
58
Verifying that an Application Communicates to the Printer
58
Using the Error Handler Utility
59
Verifying Printing to a PC
59
DOS Connection Verification
59
Windows 3.1 Driver Verification
60
OS/2 Connection Verification
61
Veryifing Printing to a PC Using the Error Handler Utility
62
Verifying Printing to a Workstation Using the Error Handler Utility
63
4 Key Operator Training
65
Printer Controls and Indicators
66
Loading Media
67
Cleaning
67
Clearing Paper Jams
68
Warranty Information
68
Supplies Ordering
69
5 Theory of Operation
71
Print Engine
72
Wax Transfer - the Engine's Printing Technology
72
The Print Process
72
Figure 5-1. the Thermal-Wax Transfer Print Process
73
Plain-Paper Printing
74
Image Data
75
Creating Colors
75
Engine Control Board Block Description
76
Figure 5-2. Print Engine Board Block Diagram
76
Cpu
77
Data Controller and Line Buffers
77
Heat Controller (Dot Compensation)
77
Interface Buffers
77
Internal Test Pattern Generator
78
Mechanical Controller
78
Thermal Head
78
Thermal Head Controller
78
Paper Path in Operation
79
Paper Pick-Up
79
Figure 5-3. the Paper Pick Process
80
Figure 5-4. Paper Clamp Opening to Receive a Sheet of Paper
80
Drum Loading
80
Figure 5-5. Clamping the Paper
81
Figure 5-6. Positioning the Paper for Printing
81
Figure 5-7. Printing on the Paper
82
Figure 5-8. Raising the Thermal Head between Passes
83
Figure 5-9. Ejecting the Print
84
Print Unloading
84
Power Supply
85
Figure 5-10. Power Supply Block Diagram
86
Deccolorwriter 1000 Image Processor
87
Image Rendering Technology
87
Figure 5-11. the Image Processor Graphics Pipeline
88
6 Troubleshooting
89
System Power-Up Sequence
89
Print Engine Troubleshooting
90
Verifying Image Processor Operation by Using the Test Pattern Generator
90
Verifying Print Engine Operation by Using Its Self-Test Print
90
Verifying Power Supply Operation
91
Measuring Power Supply Voltages
91
Figure 6-1. Measuring the DC Voltages (Test Points)
92
Figure 6-2. Locating the Fuses
93
Inspecting the Power Supply Fuses
93
Testing for a Shorted Motor
94
VDC Safety Interlocks
94
Figure 6-3. 24 VDC Safety Interlocks (Top and Front Covers)
95
Table 6-1. Motor and Solenoid Resistances
96
Media Jams and the Paper Path
96
Testing Motor Resistances
96
Media-Based Problems
96
Paper-Pick Errors
97
Paper-Clamping Errors
98
Print-Eject Jams
98
Checking the Paper-Feed Motor and Drive Train
99
Media Skews Passing through the Paper Path
100
Transfer Roll Jam
100
Printing and Print Quality Problems
101
Streaks or Lines in the Print Parallel to the Long Axis of Printing
101
Streaks or Lines in the Print Parallel to the Short Axis of Printing
101
White Portion of Print Is Colored
102
Color Is Uneven
102
Not Printing
103
Printing too Light or too Dark
104
Image Is Offset or Cut off
104
Figure 6-4. Proper Front Idler Roller-To-Drum Alignment (to Prevent Wrinkling)
105
Table 6-2. Decoding the Front Panel Display
106
Print Engine Self-Diagnostics
106
Starting Service Mode (Self-Diagnostics)
106
Displaying Error Codes on the Front Panel
106
Problems and Solutions
107
Table 6-3. Print Engine Error Codes and Their Meanings
107
Front Panel Indicators
112
Power Problems
112
Macintosh Printing Problems
113
Pc Dos Printing Problems
114
Windows Printing Problems
115
Workstation Printing Problems
116
Image Processor Hard and Soft Error Indicators
117
Deccolorwriter 1000 Image Processors
117
Image Processor Normal Operation Indicators
117
Verifying the Image Processor's Operation
117
Image Processor Self-Diagnostics
118
Image Processor Rear Panel Switches for Self-Testing
118
Printing the Configuration Page
119
Resetting the Deccolorwriter 1000'S Nvram
120
Figure 7-1. Lubricating the Clutches
123
8 FRU Disassembly/Assembly
125
Required Tools
125
Figure 8-1 Removing the Lower Tray Assembly
126
Printer Cabinet Panels
127
Figure 8-2 Removing the Cabinet Panels
128
Paper-Feed Module
129
Accessing the Pick Roller, Aligning Roller, and the Lower Feed Roller
130
Figure 8-4 Removing the Paper-Feed Circuit Board
130
Figure 8-5 Removing the Paper-Feed Unit Screws
131
Figure 8-6 Separating the Paper-Feedþunit
132
Figure 8-7 Removing the Pick Roller Andþclutch
133
Paper-Pick Roller, Clutch, and Paper-Empty Flag
133
Figure 8-8 Removing the Paper-Empty Flag
134
Figure 8-9 Removing the Lower Aligningþroller
135
Figure 8-10 Removing the Paper-Pass Sensor 1 Flag
136
Figure 8-11 Removing the Upper Aligning Roller
137
Figure 8-12 Removing the Feed Roller
138
Figure 8-13 Removing the Exit Rollers
139
Figure 8-14 Removing the Bail Roller Assembly
140
Thermal Head
141
Figure 8-15 Removing the Thermal Head
142
Figure 8-16 Removing the Drum Belt and Pulley
143
Figure 8-17 Removing the Front Idlerþroller
144
Figure 8-18 Removing the Drum's Right End Bushing
145
Figure 8-19 Removing the Drum
146
Figure 8-20 Removing the Paper-Feedþmotor
147
Paper-Feed Motor
147
Figure 8-21 Removing the Drum Motor
148
Figure 8-22 Removing the Transfer Roll Take-Up Gear
149
Figure 8-23 Removing the Transfer Roll Take-Up Motor
150
Figure 8-24 Freeing the Thermal Head Drive Belt and Thermal Head Lift Motor Bracket
151
Figure 8-25 Removing the Thermal Head Liftþmotor
152
Sensors and Switches
153
Thermal Head Position Sensors
153
Transfer Roll Mark Sensors
153
Figure 8-26 Removing the Paper-Feed Circuit Board
154
Figure 8-27 Removing the Paper-Passþsensor
155
Figure 8-28 Removing the Tray Sensors Circuit Board
156
Figure 8-29 Removing the Transfer Roll Low Sensor
157
Figure 8-31 Disconnecting the Wiring Harnesses and Removing the Card Cage
159
Card Cage and Power Supply
159
Figure 8-32 Removing the Card Cage and Power Supply
160
Circuit Boards
161
Power Supply Circuit Board
161
Figure 8-33 Removing the Power Supply Circuit Board
162
Figure 8-34 Disconnecting the Wiring Harnesses
163
Engine Control Board
163
Figure 8-35 Removing the Engine Control Board
164
Figure 8-36 Removing the Interconnectþboard
165
Card Cage Interconnect Board
165
Figure 8-37 Removing the I/O Board
166
Figure 8-38 Removing the Image Processor Board
167
Figure 8-39 Installing the RAM SIMM on the Image Processor Board
168
Figure 8-40 Installing the Font SIMM on the Image Processor Board
169
Font Module
169
9 Checks and Adjustments
171
Required Tools Summary
171
Figure 9-1 Engine Control Board DIP Switches
172
Printing Test Patterns
172
Table 9-1 Selecting Self-Test Print Patterns
173
Printer Self-Checks
174
Thermal Head Motor Check
175
Transfer Roll Feed Check
175
Paper-Path Check
176
Tray Select
176
Reflective Sensor Auto-Calibration
177
Switch and Interrupt Sensor Checks
178
Table 9-3 Mechanical and Interrupt Switch Check Summary
179
Calibrating the Transfer Roll Mark Sensors (Reflective Sensors)
180
Calibrating the Paper Clamp Sensor (Reflective Sensor)
180
Figure 9-2 Tensioning the Drum Belt
181
Drum Belt Tension Adjustment
181
Table 9-4 Top Margin Adjust Settings
182
Top Margin Adjustment
182
Table 9-2 Self-Check Mode Summary
174
Adjusting for Best Print Quality
184
Thermal Head Temperature Adjustment
184
Thermal Head Pitch (to Correct Speckle and Wrinkle)
186
Figure 9-3 Adjusting the Thermal Head Pitch
187
Paper Clamp Adjustment (to Correct Misregistration)
188
Figure 9-4 Setting the Paper Clamp Adjustment
189
Figure A-1. the Printer Exterior Frus
193
Figure A-2. Exploded View of the Printer
196
Table C-1. Connector CN2
199
Table C-2. Connector CN3
199
Wiring Diagrams
199
Table C-3. Connector CN4
200
Table C-4. Connector CN5
200
Table C-5. Connector CN6
200
Table C-6. Connector CN7
201
Table C-7. Connector CN8
201
Test Pattern Generator
205
Table D-1. Test Pattern Generator DIP Switch Settings for Deccolorwriter 1000
207
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