Testing Printer And Host Communications - Intermec 3600 Maintenance Manual

3600 Printer Maintenance Manual
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Test and Service Mode Command Descriptions (continued)
Command Code
S
T
U
V
* The printer ignores this command.

Testing Printer and Host Communications

This is a simple test of host-to-printer communications. If this test fails, there
may be a problem with the printer serial port receiver circuitry or the setup.
To test host-to-printer communications
1. Switch the printer power off. Return the DIP switch settings to the standard
2. Press and hold the Feed/Pause button while powering on the printer. The
3. Release the Feed/Pause button after the hardware configuration label is
4. Send down some characters from the host. At this point the printer does
3-12
Test
Transmit Printhead
Resistance Values*
Transmit Label
Taken Sensor Value
Transmit 40V Supply
Value*
Transmit 24V Supply
Value*
configuration if they have been changed.
printer presents the hardware configuration test label.
printed. You are now in data line print mode within the Test and Service
mode.
not attempt to interpret any printer commands, but simply prints each
character and its hexadecimal equivalent as it is received. If you are using a
PC running DOS, send down the following strings of commands from the
DOS prompt:
Note: ^Z is [Ctrl] [Z].
\MODE COM1: 96,E,7,1,N [Enter]
(to configure the serial port)
\COPY CON COM1: [Enter]
(tells the PC to copy the following text to the COM1 port)
ABCDEF^Z [Enter]
(these characters are sent to the printer)
Description
Transmits the average, maximum, or minimum printhead
dot resistance value back to the host. Each value is a
numeric data string separated by a comma.
Transmits the label taken sensor output back to the host.
Values can range from 00 to FF.
Transmits the 12V supply output back to the host. The
values range from 00 to FF.
Transmits the 24V supply output back to the host. Values
can range from 00 to FF.