Operator Guide
41
Chapter 2. Operation
Print Station Operation
9.
Print test patterns at the expected job speed. Check the results for
pickout and dark defect.
Caution:
Do not change the center point of the pressure by more than 1.5 psi
(10.3 kPa).
Note:
The range of 10 VDC above and 10 VDC below the center point for equal
a total range of 20 VDC. Extreme cases of pickout or dark defect may
need changes of 5 to 10 VDC to correct printhead performance. Small
changes of about 2 VDC can correct minor cases of pickout or dark
defect.
Use the following procedure to change the center point of the operator
charge voltage adjustment range:
1.
Divide the pressure range by 2.
2.
Add the result to the lower pressure.
3.
Set the center point of the range to this result.
4.
Press E
SC
, then select
Service Menu
(
9
) and
Control Menu
(
8
) to
return to the
Control Menu
screen.
5.
Print test patterns at the expected job speed. Check the results for
pickout, dark defect, or ghosting.
6.
Print test patterns at the expected job speed. Check the results for
ghosting.
Standby
Select
Standby
to circulate ink through the print station and printhead.
Note:
Ink circulation can also be accomplished by pressing C
TRL
+ Z any time
while the print station is powered up and ready for operation.
Setup Menu Procedures
Use the selections on
Setup Menu
(Figure 2.21) only after consulting a
service technician or technical support.
Figure 2.21
Setup Menu, DT3 print station software
** SETUP MENU **
Function Selections
1
PH Height
2
Ink Number
3
Concentration
4
System Language
5
Help Language
6
O.T. Language
7
---------
8
Parameters menu
9
---------
Choose a function, enter the number
Press F1/F2 key for HELP.
Summary of Contents for Versamark DP5630
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