37
Chapter 3: Troubleshooting & Testing
Power problems
If the FlexJet won’t power on or initialize—or if the fan does not
spin—follow these initial diagnostic steps:
1.
Check the power cord. Make sure that it is firmly plugged into
the wall and into the back of the printer.
2.
Check the voltage at the wall outlet and verifiy that it is within
the operating limits as specified in
Chapter 1
,
Specifications
.
If there are no obvious power problems, proceed to the
Mechanical,
Electrical, and Electronic
Diagnostics
later in this chapter.
Communications
The FlexJet won’t respond to the computer
If the FlexJet doesn’t accept commands from the computer, try the
following:
1.
Verifiy that the communication cable is correctly connected to the
printer and to the proper communications port on the computer.
2.
Change the computer COM port settings to match the FlexJet’s
serial communications settings. (
See
Serial Communication
,
below.
)
Serial communication
The serial port on the FlexJet has an adjustable baud rate. Available
speeds are 9600, 19200, 38400, 57600, and 115200. It is critical that
the FlexJet
Control Center
,
FlexPlot
or design software use the same
baud rate that the FlexJet is using.
If there is ever any doubt about what baud rate the printer is using, Ioline
recommends resetting it to the default of 38400. To reset the baud rate:
1.
Turn off the power to the FlexJet.
2.
Press and hold the
Page Advance
key (the key below
Set Origin
)
while turning power on.
3.
Continue holding the
Page Advance
key until the
OK
light
turns red and the
Square
light turns green.
If using a terminal program like TeraTerm
™
to communicate with
the FlexJet, make sure to use
8
Data Bits,
No Parity
,
1
Stop Bit, and
Xon/Xoff
(software) Flow Control.
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