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Lexmark XS795 Printer Languages and Interfaces Technical Reference - Page 146

Memory size, Parallel buffer size, Serial buffer, Network buffer, LocalTalk USB

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Printer interfaces 146 Memory size Parallel buffer size Serial buffer size 2MB 12K 12K 4MB 12K 12K 6MB 24K 12K 8, 10, or 12MB 48K 24K 16, 18, or 20MB 48K (1MB if no optional adapter is 24K installed) 24, 28, 32, or 34MB 192K (1MB if no optional adapter 150K is installed) 36, 38, or 40MB 384K (1MB if no optional adapter 300K is installed) 44MB or larger 2MB 300K Network buffer LocalTalk USB Fax size 12K 12K 12K N/A 48K 12K 12K 350K 48K 24K 12K 350K 48K 48K 24K 350K 1MB 1MB 24K 1MB 1MB 1MB 150K 1MB 1MB 1MB 300K 1MB 2MB 2MB 300K 1MB Notes: • On a serial communication, the printer signals the host computer to stop transmitting bytes when the serial input buffer is within 640 bytes. • Using XON/XOFF protocol, the printer signals the host computer to stop transmitting when the serial input buffer is 384, 256, and 128 bytes from full.

Section	Page
Contents	3
Introduction	5
Overview	5
Printer Control Language (PCL) emulation	6
Selecting PCL emulation	6
Page formatting	6
Print Area menu	6
Command structure	8
Control codes	8
Commands	8
PCL emulation commands	10
PCL emulation commands by function	10
GL/2 commands	32
Raster image graphics	34
Raster compression mode	34
Creating macros	39
Printer job language	41
PJL command notation	41
Kernel commands	41
Job separation commands	42
Environment commands and variables	43
Common variables for both printer languages	43
Common variables for PCL emulation	51
Printer-unique variables for PCL emulation	52
Common variables for PostScript emulation	54
Printer-unique variables for PostScript emulation	54
Printer-unique LRESOURCE variables	55
Auto-continuable conditions	55
Attendance conditions	65
Status message format	80
Informational messages	80
Service errors	81
Device attendance commands	81
Unique PJL commands	81
File commands for flash memory or hard disk	84
File and device protection commands	87
File and device protection commands	87
Unlocking a protected file or device command	88
Relocking a protected file or device command	89
Unlocking a protected file or device for a current job command	89
Recovering lost passwords	89
PostScript emulation	91
Selecting PostScript emulation	91
Supported paper size in PostScript	91
PostScript emulation supplemental operators	91
Paper tray support	91
Envelope size and tray support	93
Interpreter parameters	93
User parameters	93
System parameters	96
Device parameters	100
Status and error messages	121
Tagged Binary not active	121
Tagged Binary active	122
Status messages	122
Switching languages	123
SmartSwitch	123
Setting SmartSwitch for different interfaces	123
Datastream	123
Sniffing	123
Default printer language for an interface port	124
Flash memory and hard disk	125
Resource data collection (download target)	125
Resource Data Collection command	125
Storing resources on a flash memory or hard disk	125
Viewing the contents of a flash memory or hard disk	126
Example of directory	126
Password protection	128
Rewriting the flash memory content	128
Accessing files with PostScript emulation	129
File naming conventions	129
Device search order	131
Performance	132
Job buffering	132
Creating a partition	132
Enabling job buffering	132
Disabling job buffering	132
Recovering from a power loss	132
Printer interfaces	133
Setting up the communications port	133
Choosing an interface	133
Parallel interface	134
Standard parallel connector	134
INIT* signal	134
Computer-to-printer communications	134
Printer-to-computer communication (Advanced Status)	137
Parallel Mode 1	138
Parallel Mode 2	138
Serial interface	138
Using the RS-232C serial interface	139
Network support	145
Input buffer	145