Apple 310 manual Conventions Used in This Note, Other Reference Material

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P R E F A C E

Conventions Used in This Note

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The following visual cues are used throughout this note to identify different types of information:

Note

A note like this contains information that is interesting but not essential for an understanding of the main text.

IMPORTANT

This type of note contains information that is essential for an understanding of the main text.

W AR N I N G

A warning like this directs your attention to something that could damage hardware or software, or that could result in loss of data.

A special font, Courier, is used for characters that you type or for lines of program code. It looks like this.

Other Reference Material

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This developer note assumes that you are familiar with printer technology and know how to operate and program Apple LaserWriter printers. The following supplementary documents also provide useful information:

The owner’s guide shipped with every LaserWriter printer explains how to set up the printer in the standard configuration. The guide gives basic operating information on how to load toner cartridges, load the paper tray, and so forth. It also provides basic troubleshooting information.

The LaserWriter Reference, published by Addison-Wesley, provides information that is not in this note about fonts and about communicating with LaserWriter printers over serial channels.

The PostScript Language Reference Manual, published by Addison-Wesley, provides supplementary information on the PostScript language, including information about semantics and syntax. The edition referenced throughout this note is the first edition, unless otherwise indicated.

The PostScript Language Tutorial and Cookbook, published by Addison- Wesley, provides a basic introduction to the PostScript programming language. It also includes sample PostScript programs that help you quickly understand how the PostScript programming language works.

The PostScript Language Program Design, published by Addison-Wesley, is written for programmers who want to take advantage of the PostScript program language to design efficient PostScript programs and

printer devices.

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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 About This Note What This Note ContainsConventions Used in This Note Other Reference MaterialFor More Information ApdaPage LaserWriter Select Hardware1 LaserWriter Select 310 Hardware ROM Communication Ports Serial Port for RS-232C DevicesCentronics Parallel Connector 2An 8-pin serial port connectorPstrobe Signal Status Lights Memory Capabilities ROM CapabilityBasic Operation Batch ModeDram Expansion Interactive Mode TypesPaper Handling 7Paper handling options Page LaserWriter Select 310 Software Adobe PostScript Programming Language Software OverviewPostScript Interpreter LaserWriter Select 310 Driver TypesSelects the paper tray containing A4-size paper and sets Communication Device Parameters Software ParametersProduct Strings Compatibility OperatorsStatusdict Setting Compatibility Operators Device Defaulttimeouts Setting System ParametersCheckpassword IdlefontsProductA PrinternameProduct RamsizeSetpassword SetdefaulttimeoutsSetidlefonts Defaultpapertray Setting Page Device ParametersDefaultmultipurposetraysize SetprinternameMargins ManualfeedtimeoutManualfeed PagestackorderPapersize SetdefaultmultipurposepapertraysizePapertray Setdostartpage SetdefaultpapertraySetmargins Setpagetype SetpagestackorderSetpapertray Setjobtimeout Setting User ParametersJobtimeout JobnameWaittimeout Setting Device ParametersSetsoftwareiomode Softwareiomode Setting Communication ParametersPacketbackchannel Sccbatch SetpacketbackchannelSetsccbatch Setting Engine Device ParametersDarkness Currentcacheparams Setting Extensions to PostScript LevelSetdarkness CurrentpackingPackedarray SetcacheparamsPrinter Error Parameter SetpackingPrintererror PostScript Language ChangesPacked Arrays Versus Ordinary Arrays Packed ArraysCreating Packed Arrays Immediately Evaluated Names Device Resolution Images Changes in Font Cache OperationEnd-of-Line Recognition TrueType Fonts New OperatorsCommunication Channels Serial Communication Baud RatesFlow Control Parity SettingsDTR Flow Control SCC Operator Encoding XON/XOFF Flow ControlCommunication Protocols Simple Communication ProtocolBinary Communication Protocol SOH CTL-A Communicating with an IBM PC Parallel InterfaceSerial Interface DTR Flow Control for PC CommunicationCommunication Dynamics XON/XOFF Flow Control for PC CommunicationStatus Queries and Spontaneous Messages Errorerror OffendingCommand operator %%