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Lexmark T620 Technical Reference - Page 250

Serial - Honor DSR. Supported values are, Read-only Always returns False.

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4-83 PostScript Table 4-15: PostScript Emulation Device Parameters (Continued) Key FlowControl Type name HasNames HonorDSR Interpreter boolean boolean name On Parity boolean name PCLSmartSwitch boolean Definition Designates the serial flow control method between the host computer and the device. Returns a value corresponding to the Serial Protocol menu item. Supported values are: Dtr DtrDsr XonXoff XonXoffDtr XonXoffDtrDsr (Read-only) Always returns False. Serial - Honor DSR. Supported values are: True False Honor DSR is set to On. Honor DSR is set to Off. (Read-only) Supported values are: PostScript AutoSelect PCL PPDS Designates if the communication channel is On and able to receive and send data. Supported values are: True False Data is sent and processed. Data is lost. Designates the parity to be used between the host computer and the device. Returns the value of the Parity menu item. Supported values are: Even Odd None Ignore If Parity is set to Ignore, CheckParity is set to False and Parity becomes Even. Supported values are: True False PCL SmartSwitch is set to On. PCL SmartSwitch is set to Off. For more information, see "Using SmartSwitch" on page 2-1.

Section	Page
CHAPTER 1: Introduction	8
Overview	8
Navigational Tips	11
Printing the File	11
Bibliography	12
CHAPTER 2: PCL Emulation	13
Selecting PCL Emulation	13
Using SmartSwitch	13
Using the Operator Panel or MarkVision Professional	13
Using Your Software Application	14
Page Formatting	14
Printable Areas	14
Lexmark C720	16
Lexmark J110	17
Lexmark T520, T522, T620, and T622	18
Lexmark W820	19
Print Area Menu Item	20
Font and Symbol Set Support for the Lexmark C720, T520, T522, T620, T622, and W820	22
Forward and Backward Compatibility Modes for the Lexmark C720, T520,T522, T620, T622, and W820	23
Standard PCL Emulation Fonts	23
Type 1 Fonts	26
Selecting Symbol Sets for the Lexmark C720, T520, T522, T620, T622, and W820	28
Font and Symbol Set Support for the Lexmark J110	32
Command Structure	34
Control Codes	34
Commands	34
Command Structure	35
Command Parameters	35
Linking Commands	36
PCL Emulation Commands	37
PCL Emulation Commands by Function	37
GL/2 Commands	59
Raster Image Graphics	63
Raster Compression Mode	63
Uncoded Data	64
Run-Length Encoded Data	65
Tagged Image File Format	65
Delta Row	66
Adaptive Compression	67
Zlib	68
Group 3 and Group 4 Raster Compression	68
Additional Compression Modes	69
Macros	70
CHAPTER 3: Printer Job Language	71
PJL Command Notation	71
Kernel Commands	72
Job Separation Commands	74
Environment Commands and Variables	77
Common Variables for Both Printer Languages	82
Printer Unique Variables for Both Printer Languages	89
Common Variables for PCL Emulation	117
Printer Unique Variables for PCL Emulation	118
Common Variables for PostScript Emulation	120
Printer Unique Variables for PostScript Emulation	121
Printer Unique LRESOURCE Variables	121
Status Readback Commands	123
Status Message Format	131
Information Messages	131
Auto-Continuable Conditions	133
Attendance Conditions	136
Operator Intervention - Paper Handling	141
Operator Intervention - Paper Jams	144
Service Errors	148
Device Attendance Commands	149
Unique PJL Commands	151
File Commands for Flash or Disk	155
File and Device Protection Commands	162
Protecting a File or Device	162
Password Protection for a File	162
Password for an Entire Device	163
Unlocking a Protected File or Device	164
Re-Locking a Protected File or Device	165
Unlocking a Protected File or Device for the Current Job	166
Recovering Lost Passwords	167
CHAPTER 4: PostScript Emulation	168
Selecting PostScript Emulation	168
Using SmartSwitch	168
Using the Operator Panel or MarkVision Professional	168
Using Your Software Application	169
Page Formatting	170
Printable Areas	170
Logical Page Size	171
Lexmark C720	171
Lexmark T520, T522, T620, and T622	172
Lexmark W820	173
PostScript Emulation Fonts for the Lexmark C720	174
Supplemental Operators	177
Command Format	177
Paper Size Support	178
Paper Tray Support	182
Envelope Size Support	186
Envelope Tray Support	188
Supplemental Operator Summary	190
Page Device Parameters	225
Interpreter Parameters	238
User Parameters	238
System Parameters	241
Device Parameters	247
Status and Error Messages	269
Tagged Binary Not Active	269
Tagged Binary Active	270
Status Messages	270
Unsolicited Messages	272
CHAPTER 5: Switching Languages	273
SmartSwitch	273
Setting SmartSwitch for Different Interfaces	274
Printer Job Language	274
Sniffing	275
CHAPTER 6: Flash Memory and Disk	276
Resource Data Collection (Download Target)	277
Storing Resources on Flash Memory or Disk	278
Viewing the Contents of Flash Memory and Disk	278
Example of Directory	279
Password Protection	282
Rewriting the Flash Content	283
Accessing Files with PostScript Emulation	284
File Naming Conventions	284
Device Names	284
Filenames	285
Filename Extensions	285
Device Search Order	287
Performance	288
Job Buffering	288
Creating a Partition	289
Enabling Job Buffering	289
Disabling Job Buffering	290
Recovering from a Power Loss	290
CHAPTER 7: Printer Specifications	291
Airflow Requirement	291
Noise Emission Levels	291
Electrical Specifications	292
Power Requirements	293
Physical Specifications	294
Clearance Requirements	295
Environmental Conditions	296
Altitude Specifications	297
Atmospheric Pressure	297
Power On to Ready State Time Period	297
Time to Print the First Page	298
CHAPTER 8: Printer Interfaces	299
Setting Up the Communications Port	300
Setting Up the Communications Port Using Windows 95/98/Me	300
Setting Up the Communications Port Using Windows NT 4.0	301
Setting Up the Communications Port Using Windows 2000	302
Setting Up the Communications Port Using OS/2	303
Deciding Which Interface to Use	304
Parallel Interface	305
Standard Parallel Connector	306
Optional Parallel Connector	306
Parallel Connector Pin Assignments	306
Using the INIT* Signal to Initialize	310
Computer-to-Printer Communications	310
Standard Parallel Connector	310
Optional Parallel Connector	312
Standard Protocol Data Transfer Sequence	314
Fastbytes Protocol Data Transfer Sequence	315
Printer-to-Computer Communication (Advanced Status)	316
Parallel Mode 1	317
Parallel Mode 2	318
Signal Descriptions	318
STROBE Receiver for the Lexmark C720	318
STROBE Receiver for the Lexmark J110	319
STROBE Receiver for the Lexmark T520, T522, T620, T622, and W820	319
AUTOFD* Receiver for the Lexmark C720	320
AUTOFD* Receiver for the Lexmark J110	320
AUTOFD* Receiver for the Lexmark T520, T522, T620, T622, and W820	321
DATA 1-8 Signal Driver/Receivers for the Lexmark C720	321
DATA 1-8 Signal Driver/Receivers for the Lexmark J110	322
DATA 1-8 Signal Driver/Receivers for the Lexmark T520, T522, T620, T622, and W820	322
ACKNLG, ERROR, SLCT, PE Drivers for the Lexmark C720	323
ACKNLG, ERROR, SLCT, PE Drivers for the Lexmark J110	323
ACKNLG, ERROR, SLCT, PE Drivers for the Lexmark T520, T522, T620, T622, and W820	324
BUSY Driver and INIT* Receiver for the Lexmark C720	324
BUSY Driver and INIT* Receiver for the Lexmark J110	325
BUSY Driver and INIT* Receiver for the Lexmark T520, T522, T620, T622, and W820	326
SLCTIN* Receiver for the Lexmark C720	327
SLCTIN* Receiver for the Lexmark J110	327
SLCTIN* Receiver for the Lexmark T520, T522, T620, T622, and W820	328
Serial Interface	329
Using the RS-232C Serial Interface	329
How to Connect the RS-232C Serial Interface	329
RS-232C Serial Cable Pin Assignments	330
Using an IBM-Compatible Personal Computer with Serial Interface RS-232C	331
Serial Communication Parameters (RS-232C)	332
Protocol (RS-232C)	335
DTR and DTR/DSR Protocol Timing (RS-232C)	336
XON/XOFF Protocol Timing (RS-232C)	337
Serial Errors	338
Serial Computer Configuration Recommendations (RS-232C)	338
RS-232C Port Compatibility	340
Using the RS-422 Serial Interface	340
How to Connect the RS-422 Serial Interface	340
Serial Cable Pin Assignments (RS-422)	341
Serial Communication Parameters (RS-422)	342
XON/XOFF Protocol Timing (RS-422)	344
Serial Errors	344
Serial Computer Configuration Recommendations (RS-422)	345
Network Support	347
Input Buffer	348
APPENDIX A: PCL Support	349
APPENDIX B: PJL Support	358
APPENDIX C: PostScript Support	388