User`s guide

Overview ...................................75
Physical Medium.................................75
IPDS Coordinate Systems .............................76
X and Y Medium Coordinate System ........................76
Logical Page Layout ..............................77
I and B Coordinate System ............................78
Processing IPDS Commands ............................79
IPDS Command Format ..............................80
Acknowledge Requests and Replies .........................81
Acknowledge Reply (ACK) ............................82
Host Acknowledgment Requests ..........................83
Printer Acknowledgment Replies ..........................83
IPDS Data ...................................84
Mixing Rules ..................................85
IPDS Operating States ..............................86
Home State .................................86
Page State ..................................86
Overlay State .................................87
Page Segment State ..............................88
A Summary of the IPDS States and Commands .....................89
A Typical IPDS Command Sequence .........................91
Printer Initialization and Preparation Sequence.....................93
Page Segment Sequence ............................94
Overlay Sequence ...............................95
Page Sequence ................................96
Error Handling .................................97
Chapter 4. IPDS Programming Information ......................99
IPDS Initialization Defaults .............................99
Parameter Values ...............................100
Command Format ................................100
Supported IPDS Command Codes for the 4247 Printer ..................101
Command Function Sets .............................102
Device Control Function Set Commands .......................102
No Operation (NOP) ..............................103
Sense Type and Model (STM) ..........................103
Set Home State (SHS) .............................106
Acknowledge Reply (ACK)............................106
Load Font Equivalence (LFE) ..........................107
Code Page ID Values .............................109
Load Copy Control (LCC) ............................110
Logical Page Descriptor (LPD) ..........................111
Logical Page Position (LPP) ...........................113
Deactivate Font (DF) ..............................114
End Page (EP) ................................114
End (END) .................................114
Execute Order Home State (XOH) .........................114
Execute Order Any State (XOA)..........................124
Text Function Set Commands ...........................133
Load Equivalence (LE) .............................133
Write Text (WT)................................134
Image Function Set Commands
...........................142
Write Image Control (WIC) ...........................142
Write Image (WI) ...............................144
End (END) .................................144
Graphics Function Set Commands..........................144
viii Programmer Manual