Product Descriptions
Rev. A
1-3
1.5.4 Printer Initialization
This printer has three initialization types: Power-on initialization, Operator initialization, and Software
initialization.
Power-on Initialization
Triggers Turning on the printer
Cold reset command (Remote RS command)
Actions performed
Initialize the printer mechanism.
Clears input data buffer.
Clears download character set.
Clears print buffer.
Sets default values.
Operator Initialization
Triggers Pressing the Pause button for 3 seconds
The printer recognizes the /INIT signal (negative pulse) of parallel interface.
Actions Performed
Clears input data buffer.
Clears download character set.
Clears print buffer.
Sets default values.
Software Initialization
Trigger ESC @ commend
Actions Performed
Clears print buffer.
Sets default values.
1.5.5 Self-test Printing Mode
This printer has the self-test printing mode to check several printer functions.
Trigger LQ mode: Pressing LF/FF button while turning on the printer
Draft mode: Pressing Load/Eject button while turning on the printer
Items checked
Function of the control circuit board
Function of the printer mechanism
Print quality
1.5.6 Hexadecimal Dump Function
Pressing the LF/FF and Load/Eject buttons while turning on the printer activates the hexadecimal dump
mode. Each line has Hexadecimal codes, along with their corresponding letters printed in the right
column. If a received code denotes an unprintable character, a control code such as “.” (period) is printed
in the right column. This function enables users to check whether the data from the host is properly
transferred. Turn off the printer to exit the mode.
1.5.7 Monochrome Printing Mode
When the printer is in the ink end (color) condition, the black ink is substituted to continue to print. To
switch to monochrome printing mode, turn off and back on the printer. This mode is also selected by the
command “
ESC (K)
“. The Color select command “
ESC r
” is ignored in this mode.
