5-3
5.4 After Connection to the Computer, the Plotter Operates Abnormally
Possible cause
Solution
Is the connecting cable between the computer and
Different cable connectors may be shaped identically
plotter defective?
but be wired differently according to the computer
model. Cables for connecting various computer mod-
els are separately available so check with your ven-
dor before connecting your plotter.
Each end of the cable is specifically designed for con-
nection to the plotter or the computer.
As it is physically possible to connect certain cables
in reverse, make sure the cable is properly oriented.
Are the interface conditions correctly set at both the
Certain commercial software programs require
computer and the plotter?
specific interface conditions. Be sure to check the
manual provided with your program.
If the problem only occurs when the plotter responds
to a READ command sent from the computer, check
your settings for the parity and data length.
Use the Character Dump Mode (to be discussed later
in this section) to check if the printed "dump" data
matches the data sent from the computer.
If they match, check the computer's program.
If they do not match, check the interface conditions.
Are the computer, operating system, and
Check that the operating system, programming
programming language all operating properly?
language, and application program are compatible
with the computer you are actually using.
Is the paper properly loaded?
Press the
C H A RT H O L D
key to secure the paper.
Is the plotter in Setup mode?
Press the
M O D E
key to cancel Setup mode.
Is the PAUSE lamp lit?
Press the
PAU S E
key to cancel Pause mode. (The
plotter cannot be controlled by the computer during
Pause mode.)
Has an Off Scale error occurred?
During plotting, if the pen carriage stops at the edge
of the effective plotting area but the PROMPT lamp
does not blink to indicate an error status, an off scale
error has occurred. This is not a malfunction of the
plotter. Plotting is resumed when the plotter receives
data that positions the pen carriage within the effec-
tive plotting area.
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