ALFA 20DX manual Parallel Interface Pin Assignments, Ecp

Page 18

Parallel Interface Pin Assignments

 

Pin No.

Signal Name

Signal Direction

Compatible

Nibble

ECP

Functions

 

 

 

 

 

 

 

 

 

 

 

1

Data Strobe

To printer

nStrobe

Host Clk

Host Clk

Parallel data sampling strobe

 

 

 

 

 

 

 

 

 

 

 

2-8

Data Bit n

To printer

Data n (LSB)

Data n (LSB)

Data n (LSB)

Parallel input data

 

 

 

 

 

 

 

 

 

 

 

9

Data Bit 8

To printer

Data 8 (MSB)

Data 8 (MSB)

Data 8 (MSB)

Parallel input data

 

 

 

 

 

 

 

 

 

 

 

10

Acknowledge

From printer

nAck

PtrClk

PeriphClk

Completion of data input or end of

 

 

functioning

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

Busy

From printer

Busy

PtrBusy

PeriphAck

During print processing or during alarm

 

 

 

 

 

 

 

 

 

 

 

12

Paper End

From printer

PError

AckDataReq

nAckReverse

End of paper

 

 

 

 

 

 

 

 

 

 

 

13

Select

From printer

Select

Xflag

Xflag

Select state (on-line)

 

 

 

 

 

 

 

 

 

 

 

14

Auto Feed

To printer

nAutoFd

HostBusy

HostAck

Request to change mode

 

 

 

 

 

 

 

 

 

 

 

15

-

-

-

-

-

(not used)

 

 

 

 

 

 

 

 

 

 

 

16

0V

-

Logic Gnd

Logic Gnd

Logic Gnd

Signal ground

 

 

 

 

 

 

 

 

 

 

 

17

Chassis Ground

-

Chassis Gnd

Chassis Gnd

Chassis Gnd

Chassis ground

 

 

 

 

 

 

 

 

 

 

 

18

+5V

From printer

Peripheral Logic High

Peripheral Logic High

Peripheral Logic High

50 mA max.

 

 

 

 

 

 

 

 

 

 

 

19

0V

-

Signal Ground (nStrobe)

Signal Ground (nStrobe)

Signal Ground (nStrobe)

Signal ground

 

 

 

 

 

 

 

 

 

 

 

20 to 27

0V

-

Signal Ground (Data 1-8)

(Data 1-8)

(Data 1-8)

Signal ground

 

 

 

 

 

 

 

 

 

 

 

28

0V

-

Signal Ground (PError,

Signal Ground (PError,

Signal Ground (PError,

Signal ground

 

 

Select, nAck)

Select, nAck)

Select, nAck)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

29

0V

-

Signal Ground (Busy, nFault)

Signal Ground (Busy, nFault)

Signal Ground (Busy, nFault)

Signal ground

 

 

 

 

 

 

 

 

 

 

 

30

0V

-

Signal Ground (nAutoFd,

Signal Ground (nAutoFd,

Signal Ground (nAutoFd,

Signal ground

 

 

nSelectln, nlnit)

nSelectln, nlnit)

nSelectln, nlnit)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

31

Input PRIME

To printer

nlnit

nlnit

nReverseReq

Initializing signal

 

 

 

 

 

 

 

 

 

 

 

32

Fault

From printer

nFault

nDataAvail

nPerophReq

Paper out or during alarm

 

 

 

 

 

 

 

 

 

 

 

33

0V

-

-

-

-

Signal ground

 

 

 

 

 

 

 

 

 

 

 

34

-

-

-

-

-

-

 

 

 

 

 

 

 

 

 

 

 

35

-

From printer

-

-

-

Fix at Logic "1"

 

 

 

 

 

 

 

 

 

 

 

36

Select In

To printer

nSelectIn

1284 Active

1284 Active

Request to change Mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E–10

Chapter 1: Setting Up

Page 17 Page 19
Image 18
Page 17 Page 19
Contents Okidata Publications Department OkidataContents Duplex Printing Important Safety Instructions English-iiiOKI On-Site Warranty Enhancement ProgramsOKI Extend For more informationFCC/IC/CE Statements English-vFCC/IC/CE Select a Suitable Location Setting UpCheck the contents UnpackGetting to Know Your Printer Front ViewSetting Up Prepare the Image DrumInstall the Toner Paper Specifications Load PaperPaper Feed Paths Load the Paper Tray Paper Tray GaugeStoring Paper Select a Paper Exit PathTop Paper Exit Rear Paper ExitParallel Connection Bi-Directional Parallel ModeConnect to Your Computer Attach the Parallel CableParallel Interface Pin Assignments ECPAttach the Serial Cable Serial ModeSerial Connection RS232-C RS232-C Serial InterfaceCheck the Menu Model 20DX Only Connect to PowerInstall the Printer Software Print the DemoSelect the Display Language Paper Size IndicatorControl Panel Control Panel LightsControl Panel Button Functions Button Function SummaryHow to Use the Main Menus Selecting Printer Features Using Your Printer DriverSelecting Printer Features Using the Printer Main Menus Printer MenusQuick Access Menus Using the Level-1 MenuLevel-1 Menu Settings Printer MenusSummary of Level-1 Categories Light to Heavy weight values are same as specified for Tray Fonts & Symbols Default settings below are in italic Using the Level-2 Menu Level-2 Menu SettingsSummary of Level-2 Categories Auto Operation Clearable Wrnings Summary of Maintenance Menu Categories Maintenance Menu SettingsDUP ADJ Page Front Feeder English-27Envelopes Using the Front Feeder to Print Multiple Pieces of Media Manual Feed Standard Paper Setting up Manual Feed for Standard Weight PaperFront Feeder Printing Individual Pieces Manual Feed Front FeederSetting up to Print an Envelope Manual Feed EnvelopesSetting up to Print Labels Manual Feed LabelsSetting up to Print a Transparency Manual Feed TransparenciesHeavy Card Stock Specifications Setting up to Print Heavy StockManual Feed Heavy Card Stock Using the Automatic Tray Switch Feature Printer goes off-lineDuplex Printing Windows NT Duplex PrintingPortrait Versus Landscape Duplex Printing WindowsClick Properties Click Start, Settings, PrintersClick Document Defaults Click Print on Both Sides Duplex PrintingPrinting a Sample of Resident Fonts FontsAvailable Fonts Summary of Available FontsAntique Olive 61 Symbol Sets CG Omega 61 Symbol SetsUnivers Condensed 61 Symbol Sets Garamond 61 Symbol SetsSelecting Fonts Using Bar Code FontsSymbol Sets Adobe PostScript Fonts OptionPage Accessories Optional Paper Handling AccessoriesAdditional Options Simm Configurations Expanded Memory SIMMsMB P/N Toner Cartridge Type 7 P/N MaintenanceGeneral Consumables Information Image Drum Type 7 P/NReplacing the Toner Cartridge P/N Maintenance Precautions Replacing the Image Drum Cartridge P/NDisplays Cleaning the LED Array Generating a Drum CleaningPaper Jam Messages Problem SolvingPaper Jams English-49Why Paper Jams Occur Clearing Paper JamsClearing a Paper Input Jam Problem Solving Clearing a Paper Feed JamClearing Duplex Feeder Input Jams Clearing Duplex Feeder Paper JamsClearing a Paper Exit Jam Clearing a Duplex Feeder Open JamClearing Duplex Feeder Jams 1 Printer Display Messages Clearing Duplex Feeder JamMessage Error Message OFF-LINE Message Paper OUTMessage Printing Print Quality ProblemsMessage Reset Blank sheets printedHas repeating marks Has gray backgroundPrints all black An oblong area of faint print appears on eachPrinted page is light or blurred Faded print after installationPrint is smeared or blotched Bold characters and dark lines are smearedMaintenance Menu Adjusting Print QualitySoftware Problems Level-1 MenuFirst line on page won’t print Strange symbols appear during normal printingLast page of document is not printed Graphics won’t position properlyHardware Problems OdorsAppendix a Service & Support How to Get ServiceInternet Okidata Service CentersPurchasing Supplies Ways to PurchasePaper Handling Specifications Appendix B SpecificationsGeneral Specifications Environmental SpecificationsPower Electrical SpecificationsPhysical Specifications Specifications are subject to change without noticeAppendix C Installing SIMMs Installing SIMMsEnglish-67 Pull the side panel out and remove it from the printer Appendix C Installing SIMMs Print Menu displays then the menu prints Limited Warranty On-Site RepairEnglish-71 Argentina United StatesCanada ChileMaterial Safety Data Sheet Okipage 20 TonerHealth Hazard Data Spill Cleanup and DisposalSpecial Precautions Reactivity DataIndex English-75IBM Proprinter emulation Index 65-66Page
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