Diagraph I.V./700, Service Manual

Page: 41 / 50

5750-212
Revision A
Page 41
Contents
1 Controller Assembly
1 Instruction set
Record the Printhead Settings
Replacing the controller will eliminate all message
formats and printhead values. Use the chart at
right to record the column dot value and the
settings for single dot diameters and first dot
values. If the old controller is inoperable, skip to
the next section, "Disconnecting the Old Control-
ler", and use the label on the bottom of the
printhead. Start by unplugging the controller.
1 Simultaneously press ALT and INFORMATION and
reconnect the power. Release the keys when the
LCD shows the information menu.
2 Press SET-UP. The LCD will show the beginning
of the Set-Up menu. Press I. The LCD will dis-
play "Column Dot Adjust:".
3 Record the value shown in the second line of
LCD under "Column Dot Adjust:". Press ENTER.
4 Press SET-UP then J. The LCD will show "Dot:
1". Press ENTER.
Materials Required
Clean wipes
5 Record the value shown after "Dot Size" on the
LCD in the Valve 1 row in the chart at right. Re-
peat this operation for all seven dots.
6 After the seventh dot, press SET-UP. The LCD will
respond with "Factory Setting Y/N?" Press EN-
TER.
7 Press Set-Up then K. The LCD will show "First
Dot Time" and a number of seconds. Record the
number of seconds in the chart at right and press
ENTER.
8 The screen will display "1st Dot Adjust.: 1" for
the first valve (dot) at the top of the printhead.
The second line of the LCD will show a value for
"Dot Adjustment." Record this value in the "1st
Dot" column below and press ENTER to scroll
through each of the seven first dot settings.
9 After the seventh dot, press SET-UP. The LCD
will respond with “Factory Setting Y/N?”. Press
ENTER.
I . V . / 7 0 0
C o n t r o l l e r
5 7 5 0 - 2 0 1 N