Riso V8000 Series, Technical Manual

Page: 259 / 362

[14 - 21]
CHAPTER 14. MASTER MAKING SECTION
Adjustment
1. Master Leading Clamp Range Adjustment
Checking and Adjustment Procedure
(1) Make marking on the clamped master at the tip end of the closed top clamp plate.
(2) Measure the distance from the mark to the top of the master, confirming that this is 17 mm ± 2 mm.
(3) If the measured value falls outside the specifications, run T est mode No. 283 (Master Clamp Range
Adjustment) and make the necessary adjustments.
Increasing the value by the test mode increases the master top clamping area.
Symptoms
If incorrectly adjusted, the master may start slipping out of the clamp plate or master skewing on the
print drum may occur during the printing. Master removal error may also occur.
2. Master Tail Clamp Range Adjustment
Checking and Adjustment Procedure
(1) Make marking on the clamped master at the tip end of the closed tail clamp plate.
(2) Measure the distance from the mark to the top of the master, confirming that this is 17 mm ± 3 mm.
(3) If the measured value falls outside the specifications, run Test mode No. 284 (Master cut position
adjustment) and make the necessary adjustments.
Increasing the value by the test mode increases the master tail clamping area.
Symptoms
If incorrectly adjusted, the master may skew on the print drum during the printing.