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Vector Graphic
~1P
Dot Matrix Printer
2.3 Loading Paper
To
loac1 paper into the Vector Graphic HP dot matrix printer:
1) Remove the clear plastic top from the printer.
2) Tilt tractor feed mechanism forward until it stops.
3) Place box of fan folded paJ?er behind printer.
4) Feed paper carefully into paper guide inlet at top of printer until it
feeds
up
between platen and print head.
Open tractor guides.
Pull paper up
through tractor assemblies, aligning guide holes in paper with tractor feed
pins.
It would be convenient, at this time, to position the top of the next
form just above the print line.
Make
sure that both left and right sides
are aligned correctly, otherwise the paper will bind.
One easy way to do
this is to count the number of holes from the top of form to the first (top)
pins on either tractor.
They should be the same.
Now close the tractor
guides.
5) Replace the plastic cover on the printer.
The paper feeding process is
now complete.
2.4 Initial Testing
After the cables have been hooked up and paper has been installed in the
MP,
some initial testing can be done to assure that everything is working
properly.
'I\vo test procedures are provided, one for Vector Graphic systems
under MOOS and one for Vector Graphic systems under CP/M.
NOTE:
When used with the printer driver furnished, the printer will not print a
line until a Carriage Return has been received unless the automatic CRLF
function has previously been selected.
The characters received are stored
in a buffer until a Carriage Return causes the program to send an entire
line to the printer.
2.4.1 Testing the MP and Printer Driver under MOOS
To test the MP and printer driver software in a Vector Graphic systelTl
using MOOS:
1) Boot
up
MIlOS using the normal procedure.
2)
Load
the printer driver call routine frem the MIDS (8.6 version or later)
system diskette by typing SYSP (return).
3) Assign the port used by the printer by typing
~i\SSIGN
2,3 (re"turn).
4)
Type
FILES (return).
A list of the files present on the disk should now
be
printed on the MP dot matrix printer.
2-8
Rev. I-B 6/7/80
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