Oki ML5521, ML5520 manual Specifications

Page 76

SPECIFICATIONS

Item	Specification

Print Method	Impact dot matrix

Printhead	9 pins, 0.30 mm (0.0118") diameter, with thermal
	protection
Interfaces:
Standard:	Centronics parallel, IEEE-1284 compliant
	USB 1.1
Optional:	RS-232C Serial

Receive Buffer Size	Maximum 128K
Reliability
Ribbon Life	4 million characters, on average, 10 cpi utility
Printhead Life	200 million characters average in 10 cpi utility mode at
	25% duty and 35% page density
Mean Time Between
Failures (MTBF)	20,000 hours at 25% duty cycle and 35% page density
Mean Time to Repair (MTTR)	15 minutes

Emulations (co-resident)	IBM Proprinter III
	Epson FX
	Oki MICROLINE Standard
Print Speed	Speed*
Super Speed Draft	570 cps
High Speed Draft (HSD)	507 cps
Utility	380 cps
Near Letter Quality (NLQ)	95 cps
	* cps = characters per second

Characters per Line (cpl) Setting
	ML5520	ML5521
10 cpi	80 cpl	136 cpl
12 cpi	96 cpl	163 cpl
15 cpi	120 cpl	204 cpl
17.1 cpi	137 cpl	233 cpl
20 cpi	160 cpl	272 cpl
Graphics Resolution	Density	Max. Resolution (dpi)
IBM, Epson	Single	60 x 216
	Double	120 x 216
	Quadruple	240 x 216
Oki Microline	Single	72 x 72
	Double	144 x 144
	Quadruple	288 x 144
	* dpi = Dots per Inch

SPECIFICATIONS > 76

Image 76

Contents ML5520/21 Preface Contents Index Oki contact details Page Features / Tips IntroductionForms Tear-Off Paper ParkTop of Form TOF Turning the Platen KnobControlling Access to the Printer Installing the Driver Printer DriversEmulations Printer DriversUsing a Compatible Driver Interfaces GeneralIBM Proprinter Epson FXConnecting the USB Cable Printer’s USB portPrinter Drivers Components Rear Feed Continuous Forms Using Your PrinterComponents TOP Feed Single Sheets TOP of Form TOF To print the Menu Forms TEAR-OFFTo use the Tear key Setting TOP of Form TOF Forms Tear-Off set to OFF defaultSEL light goes off and the red alarm light comes on Forms Tear-Off set to onForms TEAR-OFF Feature Temporarily Changing the TOP of FormPotential Issues with Software Packages Changing the Forms TEAR-OFF Setting Manual Forms TEAR-OFFPaper Park Changing Paper PathsContinuous Forms to Single Sheets Never park labelsSingle Sheets to Continuous Forms Press FF/LOAD Setting Media Printhead GAPUtility UTL-the default Print QualityHigh Speed Draft HSD Super Speed Draft SSDEpson and IBM Emulations Character PitchMicroline Emulation Emulations Printer ResetChanging Emulations Menu Mode Menu Mode KeysEntering and Exiting Menu Mode Resetting the Menu to the Factory DefaultsPrinting the Menu Settings Printing ALL Menu SettingsMenu Settings Group Settings13.6 17.1 cpi, 20 cpi Invalid, Valid Explanation of Menu Items Baud Rate, Default = 9600 bps Bi-direction, Default = EnableBottom Margin, Default = Valid Busy Line, Default = SSDCharacter Set, Default = IBM Set Character Set, Default = StandardCode Page, Default = USA CSF Bin Select, Default = BinDSR Signal, Default = Valid DTR Signal, Default = Ready On Power UpEmulation Mode, Default = IBM PPR ESC SI Pitch, Default = 17 cpiLanguage Set, Default = Ascii Line Spacing, Default = 6 lpiOperator Panel Function, Default = Full Operation Length, Default = 11-2/3 or 1/2Paper Out Override, Default = No Power Save Time, Default = 5 minPower Saving, Default = Enable Print Mode, Default = UtilityPrint Registration, Default = Print Suppress Effective, Default = YesProportional Spacing, Default = No Protocol, Default = Ready/BusySI Select Pitch 10 cpi, Default = 17.1 cpi SI Select Pitch 12 cpi, Default = 20 cpiSize, Default = Single Skip Over Perforation, Default = NoMaintenance Replacing the Ribbon CartridgeIf ribbon should contact the eyes Printhead may be HOTIf ribbon should contact the skin Rear Feed Loading PaperLoading Rear Feed Paper from the Back of the Printer Maintenance 5520 5521 If the paper is too loose, or too tight, it can cause jams Maintenance Loading Rear Feed Paper from the Front of the Printer 10 9.516 If the paper is too loose or too tight it can cause jams Reinstall the sheet feeder Maintenance TOP Feed Single Sheets Clearing Paper Jams Rear Feed JamsMaintenance Defective Paper Rear FEED, Repeating Paper JamsMisaligned Paper Maintenance Maintenance Single Sheet Paper Jams Cleaning the Housing Maintenance Troubleshooting ProblemSolution General InformationSolutions Ink smears on the paper when I print narrow columns There are dots missing in my printouts Continuous-form paper sticks to the sheet guide Parts and Accessories Purchasing Parts & AccessoriesOption Part number ML5520 ML5521 IBM Proprinter III Commands Printer Control CodesESC % G Epson FX Commands DC3 OKI Microline Standard Commands ESC Y OFF Escz Specifications SpecificationUPC A, UPC E Paper Specifications Top onlyML5520 Location Setting UP Your PrinterUnpacking Setting UP Your Printer Setting UP Your Printer Installing the Ribbon Cartridge Ribbon Cartridge HandlingPage Power Connection Computer Connections USB, Specification 1.1 CompliantParallel LPT, Ieee Testing the Printer Loading PaperFont Sample Test Setting UP Your Printer Hexadecimal Dump Mode Index BufferLength Time Out Oki Systems UK Limited Oki Systems Ireland LimitedOki Data Corporation Oki Hong Kong LimitedML5520/21