APPENDIX C HBP MODE COMMANDS - 5
3.  HBP COMMANDS 
An HBP command is composed of '@' + an Uppercase Alphabetic character + parameters (not necessary for 
some commands). 
 
3.1  Command List 
<Character string>    <Functions> 
@A   Reserved 
@B   Reserved 
@C   Not used 
@D      Speed setting for Centronics I/F 
@E   Economy mode setting 
@F   Form feed 
@G   Data input 
@H   Not used 
@I    Information request 
@J       Settings for engine related items 
@K      Execution for engine related items 
@L   Resolution setting 
@M   Mode setting 
@N   Reserved 
@O   Not used 
@P   Reserved 
@Q   Not used 
@R   Reserved 
@S   Not used 
@T      Setting for sleep time 
@U   Not used 
@V   Not used 
@W   Not used 
@X   Exit 
@Y   Not used 
@Z   Not used 
 
Not used :  An error occurs in the printer if these character strings are sent as commands. 
Reserved :  These commands are not necessary to create the driver.  Do not use these commands.