Specifications

6.20 Paper Tension Assembly . . .............................6–38
6.21 Paper Handling Assembly . .............................6–40
6.21.1 Removing Upper Tractors . . .....................6–43
6.21.2 Removing Lower Tractors . . .....................6–43
6.21.3 Replacing Upper and Lower Tractors . . . ............6–45
6.22 Horizontal Vernier Timing Belt ..........................6–46
6.23 SHAD Board . . . .....................................6–48
6.24 Power Supply Boards ..................................6–50
6.25 Logic Boards . . . .....................................6–52
6.26 Printer Fans . . . .....................................6–54
6.26.1 Front Fan....................................6–54
6.26.2 Rear Fan ....................................6–54
Chapter 7 PRINT QUALITY ADJUSTMENT
PROCEDURES
7.1 Introduction ..........................................7–1
7.2 Print Quality Test Patterns ..............................7–1
7.3 Shuttle Movement Amplitude Adjustment ...................7–4
7.4 Null Voltmeter Amplitude Adjustment ......................7–5
7.5 Test Pattern Adjustments . ..............................7–7
7.5.1 Amplitude Pattern Adjustment Procedure ............7–8
7.5.2 Vertical Timing Pattern Adjustment Procedure . . . ....7–10
7.5.3 Horizontal Timing Pattern Adjustment Procedure . ....7–12
7.5.4 Intermodule Gap Pattern Adjustment Procedure . . ....7–14
7.5.5 The Checkerboard Pattern . . .....................7–16
7.6 Print Actuator Module Adjustment Procedure . . . ............7–16
Appendix A LG31 SYSTEM FUSES
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