Riso CV1860 Series, Техническое руководство

Страница: 168 / 243

12 - 17 CZ180 / CV1860 Rev. 1.0
CHAPTER 12: MASTER MAKING SECTION
ADJUSTMENT
1. Thermal Power of Thermal Print Head (TPH)
This adjustment must be made each time the TPH is replaced.
1) Start up Test Mode and input 9874 to enter into Protected Test Mode.
2) Then enter Test Mode No. 1234 [TPH Thermal Power Adjustment] and input the resistant value
imprinted on the sticker attached on the TPH.
Adjustable range: 1200 ohm to 2200 ohm
Make sure to input the correct value.
2. Master Clamp Range Adjustment
Checks and Adjustment
1) Make a marking on the center of the master where it is clamped by the Clamp plate on the Drum.
2) Measure the length of the master from the leading edge to the marking made on the master.
The length should be 20mm plus or minus 1mm.
3) If the measured length is out of the range, use Test Mode No. 0543 [Master Clamp Range
Adjustment] to make an adjustment.
Adjustable range: -100 to +100 (1 = 0.1mm)
+ value increases the master clamp amount.
3. Write Start Position Adjustment
1) Use Test Mode No.0080 to make a master.
2) Remove the master from the Clamp plate.
3) Measure the distance from the leading edge of the master to the top edge of the image burnt on
the master.
4) The distance should be 84mm plus or minus 1mm.
If the measured distance is out of the range, use Test Mode No.0541 [Write Start Position
Adjustment] to make an adjustment.
Adjustable range: -50 to +50 (1 = 0.1mm)
+ value brings the image up.
Precaution in Adjustment
Master clamp range adjustment must be made before making this Write start position adjustment.
RISO Inc. Technical Services & Support US.RISO.COM