Compuprint 4247-Z03 Programmer Manual - Manual (Page 113)

Table 3. An Example of an IPDS Command Sequence (continued)
Printer State
Command
Direction CMD Command Name Description
End Block
State END End End Overlay Graphics Block State
WT Write Text Store Text in Overlay
WT Write Text Store Text in Overlay
IO Include Overlay Include Another Overlay
IPS Include Page Segment Include Page Segment in Overlay
EP End Page Return to Home State
ACK Acknowledgement
Response Acknowledge Successful Operation
Page
Sequence BP Begin Page Enter Page State
WT Write Text Send Text Data to Printer
IO Include Overlay Print Overlay
IPS Include Page Segment Print Page Segment
Block State WIC Write Image Content Start Page Segment Image Block State
WI Write Image Send Image Data to Printer
WI Write Image Send Image Data to Printer
End Block
State END End End Image Block State
WT Write Text Send Text Data to Printer
WT Write Text Send Text Data to Printer
IO Include Overlay Print Overlay
IPS Include Pate Segment Print Page Segment
EP End Page Complete All Printing and Return to
Home State
ACK Acknowledgement
Response Acknowledge Successful Operation
Printer Initialization and Preparation Sequence
Before any printing begins, it is necessary to specify certain parameters and conditions for the printer. The
following sample command sequence accomplishes this task:
v
STM (Sense Type and Model)
v ACK (Acknowledgment Reply)
v SHS (Set Home State)
v LPD (Logical Page Descriptor)
v LPP (Logical Page Position)
v LCC (Load Copy Control)
v LFE (Load Font Equivalence)
v ACK (Acknowledgment Reply).
Note: This sequence is only a typical example. It is not mandatory for the host to send all of these
commands.
STM (Sense Type and Model): The host sends the STM command to sense the printer characteristics.
Chapter 3. Intelligent Printer Data Stream 93