Service manual

Table of Contents
Table of Contents vii
Aperture Wheel Motor ...............................................................................4-53
Weak Lens Motor........................................................................................4-54
Focus Sensor...............................................................................................4-55
Media Transport Removal/Replacement Procedures...................................4-57
Supply Drive Servo Motor..........................................................................4-58
Supply Cassette A or B Rewind Motors ....................................................4-61
Supply Spindle Select Motor......................................................................4-62
Supply Spindle Select A/B Sensors............................................................4-64
Supply Roller Removal and Installation....................................................4-66
The Vacuum System .....................................................................................4-68
Vacuum Pump.............................................................................................4-69
Vacuum Valves............................................................................................4-70
Vacuum Board............................................................................................4-71
Chapter 5: Imagesetter Alignment
Introduction....................................................................................................5-1
Beginning of Line (BOL) Alignment Procedure...........................................5-2
Exposure Adjustment Procedure...................................................................5-4
Carriage Home Position Alignment Procedure ............................................5-5
Focus Alignment ............................................................................................5-7
System Leveling Procedure............................................................................5-10
Voltage Check Procedure..............................................................................5-11
Pulse Width Modulation (PWM) Adjustment Procedure..............................5-11
Carriage Encoder Alignment Procedure .......................................................5-14
Supply Motor Offset Alignment Procedure ..................................................5-14
Take-up Cassette Clutch Adjustment Procedure ..........................................5-16
Feed Motor Calibration Test..........................................................................5-17
A/B Roller and Sensor Adjustment ...............................................................5-17
Slack Loop Test Procedure............................................................................5-21
Chapter 6: Imagesetter Preventive Maintenance
Introduction....................................................................................................6-1
General Preventive Maintenance Requirements...........................................6-1
Mechanical Inspection................................................................................6-1
Operational Inspection...............................................................................6-4
Cleaning......................................................................................................6-5
Appendix A: Specifications