DP4500/3500 ADJUSTMENT
2 - 36
December 2000 © TOSHIBA TEC
3. Slide the lens unit forward or backward using the marks on the lens base as a guide.
The following table shows the relation between the difference in the reproduction ratio between the
copied ruler and the actual ruler and the movement amount of the lens unit.
Reproduction-ratio error
Movment amount of unit
0.1 %
0.5 mm
0.2 %
0.9 mm
0.3 %
1.4 mm
0.4 %
1.8 mm
0.5 %
2.3 mm
0.6 %
2.7 mm
0.7 %
3.2 mm
0.8 %
3.6 mm
0.9 %
4.1 mm
1.0 %
4.5 mm
Direction of movement
Reproduction
ratio error is large
Reproduction
ratio error is
small
Exit side
Lens unit
Feeding
side
Note: Finer adjustment can be made in the “Fine adjustment of polygonal motor rotation speed”.
4. Attach the lens cover and original glass. Make a copy to confirm the reproduction ratio.
5. Remove the original glass and lens cover again, and tighten 2 screws to fix the lens unit.
6. Reattach the lens cover and original glass.
Содержание DP3500
Страница 91: ...DP4500 3500 PREVENTIVE MAINTENANCE 3 12 December 2000 TOSHIBA TEC ...
Страница 95: ...DP4500 3500 SUPPLIES 4 4 December 2000 TOSHIBA TEC ...
Страница 213: ...DP4500 3500 TROUBLESHOOTING 5 118 December 2000 TOSHIBA TEC ...
Страница 253: ...DP4500 3500 UPDATING THE FIRMWARE 6 40 December 2000 TOSHIBA TEC ...
Страница 254: ...December 2000 TOSHIBA TEC 7 1 DP4500 3500 WIRE HARNESS CONNECTION DIAGRAMS 7 WIRE HARNESS CONNECTION DIAGRAMS ...
Страница 256: ...DP4500 3500 WIRE HARNESS CONNECTION DIAGRAMS 7 4 December 2000 TOSHIBA TEC ...