Filter
Top Products
c39 frank
Testing and Adjusting
3-11
3
Running Test and Service Mode From a Host Computer
When conducting Test and Service mode functions from a computer, hardware
diagnostic information is uploaded to the host from the printer.
The following table describes the commands you would issue from a host
terminal to run the Test and Service mode. To select Test and Service mode
from Print mode, send <ESC>T from the host terminal.
Note: All commands in Test and Service mode end with the command terminator (;),
except the last command in a message.
Test and Service Mode Command Descriptions
Command Code Test Description
A Transmit Ambient
Temperature*
Transmits the ambient temperature sensor output back to
the host. The value ranges from 00 to FF.
B Printhead Resistance
Test*
Causes the printer to begin the printhead resistance test. The
printer will respond with the ASCII character string “pass”
or “fail.”
C Print Pitch Label Causes the printer to print the pitch label.
D Reset Printer
Configuration
Sets the printer configuration to the factory defaults.
G Transmit
Transmissive Sensor
Value
Transmits the label gap output back to the host. Values
ranges from 00 to FF.
K Dark Adjust* This command changes the darkness of the print on your
labels. It is for fine-tuning only.
L Transmit Paper Path
Open Sensor Value*
Transmits the Paper Path Open switch value back to the
host. A value of 0 indicates the paper path is open and a
value of 1 means it is closed.
M Transmit Reflective
Sensor Value
Transmits the label mark reflective sensor output back to the
host. The values range from 00 to FF.
P Transmit Printhead
Temperature Sensor
Value
Transmits the Printhead Temperature Sensor output back to
the host. Values range from 00 to FF.
Q Print Quality Label Causes the printer to print out the print quality program
and model number label.
R Exit Test and Service Causes the printer to exit Test and Service mode.
* The printer ignores this command.