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Printronix MVP Series user manual Option 77 Reverse Channel RC

Models: MVP Series

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Option 77 — Reverse Channel (RC)

The Reverse Channel Interface line (pins 11 and 14) is disabled by default. The RC interface line can be made high true when the printer status is:

ONLINE AND BUFFER ALMOST EMPTY (READY)

OFFLINE OR BUFFER ALMOST FULL (BUSY)

Option	Display	Configuration
Number		Description

.0	77.0	Disable (default).
		Enable ON condition when printer is online and buffer is not full
.1	77.1
		(Ready).

.2	77.2	Enable ON condition when printer is offline or buffer is full (Busy).

.3	77.3	Enable low ON (true) when printer is offline and buffer is not full.

8–22	Interfaces

Image 190

Printronix MVP Series user manual Option 77 Reverse Channel RC

Contents

MVP Series Page 112301-001, Rev B Trademark Acknowledgments Table of Contents Configuration OperationGraphics Programming InterfaceAppendices Routine Service and DiagnosticsIndex Page Chapter Contents IntroductionHow to Locate Information About This ManualSwitches, Keys, Indicators and Display Messages Printer Features IntroductionMVP-Series Printers L150 Printers 150B/L150B PrintersOptional Features Character Formation Typical Character FormationLine Matrix Printing Line Matrix PrintingPrint Rate Print Mode Print Rate lpmPrint Rate MVP/L150 150B/L150BPlot Rate ipm Plot RatePlot Rate Density dpiOverview Installation Vorsicht Power Requirements Site Requirements Installing the Printer Assembling the PedestalAssemble the Two Legs and Modesty Panel Firmly tighten all bolts Installation Assembling the Paper Tray Assembling the Paper TrayMounting the Printer onto the Pedestal Mounting the Printer onto the PedestalAttaching the Paper Tray Table Top Mounting Preliminary Testing Applying PowerOperation Mechanical Controls Printer Interior View Shuttle Cover RemovedPower On-Off Operator Panel Switches and IndicatorsRDY Ready 8LPI 8 Lines Per InchTOF Top-of-Form Form LengthSecond Function Switches 2nd FuncAddr Loading Ribbon Ribbon Guides Removing the Ribbon Paper Guidelines Paper Type and ThicknessLoading Paper Paper Pedestal Slot Positioning Knob Removing Paper Setting Top-of-Form Setting Forms Length Operation Configuration XX Y Changing Configurations MVP/L150150B/L150B Verifying Configurations Configuration Options Quick Reference Table for Configuration Options 20 59 Configuration Printer Type Configuration Option NumberDiscussion Option 20 Host Mode Control Programming StandardOption Display Configuration Number Description MVP/L150Option 20 Double Wide Print Operation Expanded Print Select 150B/L150BOption 21 Vertical Dot Density 22.2 Mode 22.1Option 22 Insert Automatic Line Feed in Data Stream 22.3Option 23 Automatic Line Feed on Carriage Return Discussion MVP/L150Option 24 must be set to Configuration Option 25 Binary Count Slew Option 26 Printer On-line with Power On Option 27 Paper Out Delay Option 28 Underline Option 29 Delete Code 7F Option 30 Print or Graphics Mode at Power On Options 31-41 Control Code Assignments Option Display Number Control Code Assignment 01 HexControl Code Assignment 03 Hex Option Display Number Control Code Assignment 02 HexOption Control Code Assignment 04 HexOption Control Code Assignment 06 Hex Option Display Number Control Code Assignment 05 HexControl Code Assignment 07 Hex Option Control Code Assignment 09 Hex Option Display Number Control Code Assignment 08 HexControl Code Assignment 0E Hex Option Display Number Control Code Assignment 0F Hex Control Code Assignment Control Code Assignment Cedilla Character SelectControl Code Assignment Alternate Printronix Plot Control Control Code Assignment Mode 3 Select Option Display Number Control Code Assignment Mode 1 SelectOption Control Code Assignment Mode 2 Select Option Control Code Assignment Double High SelectOption 42 Electronic Vertical Format Unit Evfu Control Option 43 Plotting Exit Configuration DescriptionOption Display Number Option 44 Buffer Print with Top-of-Form TOF Option 45 Mode Option 46 Evfu Control with no PI Option 47 SOH and ETX Option 48 Characters Per Inch in Mode 150BOption 50 Page Perforation Skip Option 51 Lines Per Inch lpi Line Spacing Option 52 Forms Length at Printer Power Up Option 54 Line Spacing at Power up Option 56 Column Print SpacingOption 58 ESC DC1 Sequence Option 57 Input Buffer SizeOption 59 Version Graphics Raster Plotting Ascii Dot Patterns Raster Plot Syntax Dot Control Decimal Pattern Sequence ValuePrint Modes for Raster Plots Print Modes for Raster PlotsMode No Dots/Inch Mode selected by Ascii code High Resolution Raster Plot SyntaxDot Density by Mode Scaling GraphicsExiting from Raster Plot Characteristics of Bit Image Graphics Bit Image GraphicsVertical Data Byte Pattern Plotting a Bit Image Pattern Bit Image Pattern PlanBit Image Density Control Code Dot Density Mode ResultBit Image Density Bit Image Programming Format ESC CCn1n2DATA whereBit Image Sample Program Sample Single Density Bit Image GraphicsModes 2 Other Bit Image FeaturesModes 1 Modes 3 Darker PrintPrint Mode Horizontal dpi Vertical dpi Series Plot ModeNormal Density Plot Characteristics Plot DensityPlot Data Byte Format Double Density Plot~~~~~~~~~~~~~~ Plot Data Line Format Normal Density PlotDouble Density Plot Plotting Data Odd Dot Plot Pattern PlanProgramming Example with Odd Dot Plot 10. Sample Odd Dot PlotExiting P-Series Plot Mode 11. Truncated Character LineEvfu Programming Evfu Memory Start Load Code 6HChannel Assignment Line Spacing End Load Code 6F HexEvfu Memory Evfu Command Codes Evfu Programming ExampleEvfu Load Program FormTroubleshooting for Evfu Programming Evfu Channel Assignment Using EvfuFirst Data Byte Second Data Byte Bit # Channel # EVFU/IGP Execute Form Mode Relative Line SlewingSample Form Heading Line Number Hex Code Explanation Example of Line SlewingEvfu Channel Instruction Clearing Evfu MemoryBits of Data Byte Channel Selected PI Line Evfu Programming Introduction B/L150B Control Codes Control CodesMVP/L150 Control Codes Code Number Hex MVP/L150 Control CodeMVP/L150 Control Codes 0AH Line FeedWith Configuration Option 0CH Top-of-Form/Perforation SkipWith Configuration Option 23 0DH Carriage ReturnAlternate and Primary Characters Line of Alternate CharactersNumber of Dot Positions in a Horizontal Plot Line Odd or Even Dot Plot High Resolution Plot Graphics04H Even Dot Plot 05H Odd Dot Plot ModeOdd Dot Plot/Even Dot Plot as Interpreted for Plotting Even Dot Plot Line Terminators05H Odd Dot Plot 06H Lines per Inch Spacing 08H Elongated Characters With Forms Length5FH Underline Line Number Enter ResultDot Density Matrix Dot Densities and Plot Speeds for L150 Printers Editing Example Enter ResultSlewing a Specified Number of Lines Sample Line Hex Explanation Line Slew Evfu Not Loaded01H-09H, 0EH, 0FH, 1BH Host Mode Control Host Mode Control Feature SelectionConfiguration Options and Valid Headers Configuration Options Valid HeaderSeries Host Mode Control Code Sequence FormatESC Ps q where Host Mode Control Code Sequence Placement Valid Control Code SequenceControl Code Sequence Characters Per Line/Mode/Configuration Option22.0 Invalid Control Code Sequence 10H-1FH Electronic Vertical Format Unit Codes 20H Space150B Control Codes Ascii Characters BasicCharacter Name Control Code Dec Value Printer Response Ascii Character Control CodesCHR$n EOT Escape Codes ESC nESC l ESC mqESC h ESC rESC D N1 n2ESC S n ESC NnESC Wn ESC Y ESC 3nCalling a Horizontal Tab Table Horizontal TabLoading a Horizontal Tab Table Example LPRINT...DATA...CHR$ 9DATADensity Specifications Standard MVP L150 136CHard Copy Considerations 10. Horizontal Tabs at Power-up TAB positionSet/Select Reset Mode Selection from Host ComputerMode Character/Mode Sequences and Other ModesMethod 1 On/Off Underline Methods 1Off Leading and Trailing Spaces Compatibility with Other Features Method 2 MergedProgramming Interfaces Centronics and Dataproducts Interface Characteristics Centronics Connector Centronics InterfaceConnector Input SignalsOutput Signal Description Connector Dataproducts Connector Dataproducts InterfaceInput Signals Description Amphenol Winchester Pin Return ParityAmphenol Winchester Output Signals Description Pin Return READY/PEInterface Configuration Options Configuration Printer Configuration Option Number TypeOption Number Display Configuration Description Option 60 Data Line 8 with Parallel InterfaceOption 61 Paper Instruction with Parallel Interface Option 62 Data Strobe Line Polarity with Parallel Interface MVP/L150 Option 65 Busy Line Option Display Number Configuration Description Option 66 Parallel Interface SelectionOption 70 Serial Interface/ Protocol Selection Option 71 Serial Data Transfer and Baud Rate Option 72 Data Word Interface Configuration Option 73 Transmitted Data Polarity Option 74 Request to Send RTS Option 75 Clear to Send CTS and Carrier Detect CD Option 76 Data Set Ready DSR-RS-232 pin Option 77 Reverse Channel RC Option 78 Data Terminal Ready DTR Option 80 Xoff Buffer Level Threshold Option 79 XON Buffer Level ThresholdOption 81 Current Loop Out Protocol Character Assignment Xoff or NAK Display Configuration DescriptionProtocol Character Assignment XON or ACK Protocol Character Assignment ETXInterface Cables Switching InterfacesTerminating Resistors Controller Pcba Interfaces Character Sets and Control Codes Ascii Character Set KEYExtended Character Set Appendix Protocol After Receiving a CR or BS Character BS/CR ProtocolAttributing Conditions ESC n ESC r Print Width CommandsAscii Control Codes by Function ESC mq Character NameControl Code Character Name Dec Value Print Quality CommandsESC-n Selecting Print Modes Graphic ModesForms Control Commands Special Printer Features127 Paper Feed Commands Formatting Commands Routine Service and Diagnostics General External Cleaning Cleaning RequirementsUnplug the printer before cleaning the printer General Internal CleaningBefore Cleaning Metal Strips Black Knob Cleaning the Printer Foam Insert Moving the Printer Reconnecting the Cables Erratic or Corrective MaintenanceAction Stalled ShuttleSelf-Test Procedure Self-TestsSelf-Tests Configuration Self-Test Configuration Printout SampleAutomatic Sequence Shift Recycle RepeatingRepeating Tests All Black PlotPrint Paper Motion Mode Changing ExamplesExample Hex Dump Mode Routine Service and Diagnostics Printer Fault Conditions To Bypass Soft FaultTable B-1. Fault Code Chart Clear Check ConditionSpecifications, Accessories and Options Printer PerformancePlot Resolution Print Format Horizontal Format Paper and Ribbon Guidelines Guidelines Paper Characteristics/FunctionRibbon Physical MVP, 150B L150 Environmental TemperatureHumidityProduct Certification Second Function MVP, L150 Operator Controls and IndicatorsMechanical Controls Interfaces Specifications CentronicsDataproducts RS-232 Serial Index Evfu Page Page Page Index-6 Page Printronix