Communication Channels

	setcacheparams		37
	setpacking	38
	Printer Error Parameter			38
	printererror	39
	PostScript Language Changes			39
	Packed Arrays	40
	Packed Arrays Versus Ordinary Arrays					40
	Creating Packed Arrays			40
	Immediately Evaluated Names				41
	Changes in Font Cache Operation				42
	Device Resolution Images			42
	End-of-Line Recognition			43
	New Operators	44
	TrueType Fonts	44
Chapter 3	Communication Channels				45

	Serial Communication		46
	Baud Rates	46
	Parity Settings	47
	Flow Control	47

DTR Flow Control		47
XON/XOFF Flow Control			48
SCC Operator Encoding		48
Communication Protocols		49
Simple Communication Protocol			49
Binary Communication Protocol			50
Communicating with an IBM PC			52
Parallel Interface	52
Serial Interface	53
DTR Flow Control for PC Communication				53
XON/XOFF Flow Control for PC Communication					54
Communication Dynamics		54
Status Queries and Spontaneous Messages				55

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Contents

Apple LaserWriter Select 310 Printer Limited Warranty on Media and Replacement Contents Page Communication Channels Page Figures and Tables Page What This Note Contains About This Note Other Reference Material Conventions Used in This Note Apda For More InformationPage LaserWriter Select Hardware1 LaserWriter Select 310 Hardware ROM Serial Port for RS-232C Devices Communication Ports 2An 8-pin serial port connector Centronics Parallel Connector Pstrobe Signal Status Lights ROM Capability Memory Capabilities Dram Expansion Batch ModeBasic Operation Types Interactive Mode Paper Handling 7Paper handling options Page LaserWriter Select 310 Software PostScript Interpreter Software OverviewAdobe PostScript Programming Language Types LaserWriter Select 310 Driver Selects the paper tray containing A4-size paper and sets Product Strings Software ParametersCommunication Device Parameters Compatibility Operators Statusdict Setting Compatibility Operators Device Checkpassword Setting System ParametersDefaulttimeouts Idlefonts Product PrinternameProductA Ramsize Setidlefonts SetdefaulttimeoutsSetpassword Defaultmultipurposetraysize Setting Page Device ParametersDefaultpapertray Setprintername Manualfeed ManualfeedtimeoutMargins Pagestackorder Papertray SetdefaultmultipurposepapertraysizePapersize Setmargins SetdefaultpapertraySetdostartpage Setpapertray SetpagestackorderSetpagetype Jobtimeout Setting User ParametersSetjobtimeout Jobname Setsoftwareiomode Setting Device ParametersWaittimeout Packetbackchannel Setting Communication ParametersSoftwareiomode Setpacketbackchannel Sccbatch Darkness Setting Engine Device ParametersSetsccbatch Setdarkness Setting Extensions to PostScript LevelCurrentcacheparams Currentpacking Setcacheparams Packedarray Setpacking Printer Error Parameter PostScript Language Changes Printererror Creating Packed Arrays Packed ArraysPacked Arrays Versus Ordinary Arrays Immediately Evaluated Names Changes in Font Cache Operation Device Resolution Images End-of-Line Recognition New Operators TrueType Fonts Communication Channels Baud Rates Serial Communication DTR Flow Control Parity SettingsFlow Control XON/XOFF Flow Control SCC Operator Encoding Simple Communication Protocol Communication Protocols Binary Communication Protocol SOH CTL-A Parallel Interface Communicating with an IBM PC DTR Flow Control for PC Communication Serial Interface XON/XOFF Flow Control for PC Communication Communication Dynamics Status Queries and Spontaneous Messages Errorerror OffendingCommand operator %%

Apple 310 manual Communication Channels

Models: 310