Serial Buffer, Serial Protocol | Lexmark 812 specs

Serial Buffer

Purpose:

To configure the size of the serial input buffer.

Values:

Disabled	Disables serial (Parallel, USB) port. Any jobs already buffered on the disk are
	printed before normal processing of incoming jobs resumes.
Auto*	Printer automatically calculates the serial buffer size (recommended setting).
3K to maximum	User specifies the serial buffer size. The maximum size depends on the
size allowed	amount of memory in your printer, the size of the other link buffers, and
	whether Resource Save is set to On or Off. To maximize the range for the
	serial buffer size, disable or reduce the size of the parallel and USB buffers.

Note: Changing the Serial Buffer menu item automatically resets the printer.

See also:

Resource Save

Serial Protocol

Purpose:

To select the hardware and software handshaking values for the serial interface.

Values:

DTR*	Hardware handshaking.
DTR/DSR	Hardware handshaking.
XON/XOFF	Software handshaking.
XON/XOFF/DTR	Combined hardware and software handshaking.
XONXOFF/DTRDSR	Combined hardware and software handshaking.

See also:

Technical Reference

158

Image 158

Lexmark 812 manual Serial Buffer, Serial Protocol

Contents

Lexmark W812 Page Table of contents Loading the trays Replacing the fuser Index 191 Printer overview Page Sheet trays Sending a job to print Canceling a job from a Windows desktop Canceling a job from the printer operator panelCanceling a job from the Windows taskbar Canceling a job from a Macintosh computer Conserving supplies Holding a job in the printer Printing and deleting held jobs Accessing held jobs from the operator panel Recognizing when format errors occur Verifying print jobs Repeating print jobsReserving print jobs Printing confidential jobs Enter PIN = Paper and specialty media specifications Paper Printing on letterhead LetterheadTransparencies Labels Card stock Linking trays Loading 250-sheet trays Letter, A4, A5, or JIS B5 size paperPage Page A3, JIS B4, legal, 8.5x13, or 11x17 size paper Page Loading 500-sheet trays Page Loading the multipurpose feeder Page Printing envelopes Storing supplies Tips for successful printingStoring paper Avoiding jamsPage Using the optional duplex unit Checking an unresponsive printer Black pages Solving print quality problemsBlank pages Gray background Print too lightPrint too dark Uneven print density Streaked horizontal lines Print irregularitiesWhite or black line Toner specks Easily when you handleStreaked vertical lines Toner rubs off the paper Ghost images Incorrect marginsClipped images Jams Solving paper feed problemsPaper frequently Jammed paper Message remainsAfter you remove That Solving printing problems Expected to print Held jobs do not printJob takes longer than Select Large jobs do not Tray linking does notWork Collate Option does not operate Solving other option problemsCorrectly after it is installed, or it Stops working Calling for service Understanding jam messages Paper jam messages Clearing jams Clearing 200/201 jams from the paper tray Clearing 200/201 jams from the multipurpose feeder Clearing 203 jams from the fuserPage Clearing 202 jams from the print cartridge Clearing 230/231/232 jams from the duplex unit Page Ordering a fuser Ordering suppliesOrdering a print cartridge Determining the status of supplies Recycling used supplies Replacing the print cartridge Removing the old print cartridge Installing the new print cartridge Page Replacing the fuser Removing the old fuserPage Installing a new fuser Reset Maint Cnt =Reset appears. d Press Select Understandingpanelthe printer operator Operator panel buttons Press Select to Using MarkVision Professional Configuring printer alertsUsing the Setup Menu Using MarkVision Messenger Removing the printer system board access panel Removing memory and option cardsPage Removing memory cards Removing an option card Page Removing a firmware card Reinstalling the system board access panel Disabling the operator panel menus Enabling the menus Disabling Power Saver Size Sensing Printing a menu settings Restoring factory default settings Changing menu settings Understanding fonts Resident fonts PCL 6 emulation PostScript 3 emulation Ppds emulation PCL 6 emulation PostScript 3 emulation Ppds emulation PCL 6 emulation PostScript 3 emulation Ppds emulation PCL 6 emulation PostScript 3 emulation Ppds emulation Downloadable fonts Symbol setsSymbol sets for PCL 6 emulation Resident bitmapped fonts FontVision Euro supportHebrew and Arabic fonts Printing sample fonts Page Understanding printer messages Activating Ppds Activating Demo ModeActivating Menu Changes Change Canceling JobBusy Close Duplex Doors Check device ConnectionClearing Job Accounting Stat Close Top Cover Defragmenting Deactivating Demo ModeDeactivating Ppds Disabling Menus Delete All JobsDeleting Jobs Disk Corrupted Reformat? Enabling Menus Formatting Disk Enter PIN =Flushing Buffer Formatting Disk yyy% Formatting Flash Held Jobs may not be restored Held Jobs may be lost Invalid Insert Print CartridgeInsert Tray Network x Code Load Tray MaintenanceLoad Manual Network Menus DisabledNetwork Card Busy Parallel No Jobs Found Retry?Not Ready Performing Self Test Printing Alignment Power SaverPrint Jobs on Disk Printing Job Accounting Stat Printing Directory ListPrinting Font List Prog System Code Printing Menu SettingsPrinting Quality Test Pages Programming Disk Programming Error PxProgram Flash Ready Queuing Deleting JobsQueuing Jobs Ready Hex Res Reduced Restore Held Jobs. Go/Stop? Resetting Maint Cnt ValueResetting Printer Serial Restoring Factory DefaultsRestoring Held Job xxx/yyy Tray x Empty Std Bin FullToner Low USB Tray x LowTray x Missing 2xx Paper Jam Emul Error Load Emul OptionWaiting Defective Print Cartridge Wrong Paper Size in Tray Res Save Off Deficient Memory Insufficient Collation Area Memory Full Insufficient Memory Complex 4x Unsupported Firmware Card Flash Full Ppds Font ErrorDefective Flash Unformatted Flash Serial Standard Option x ErrorSoftware Error Std Par Port x DisabledPort x Disabled Port Disabled 54 Par Disabled Port Disabled USB Port Too Many Trays Attached Too Many Disks InstalledToo Many Flash Options Unformatted Disk Defective DiskDisk Full Scheduled Maintenance Unsupported Disk Format Service message Do Not Print Finishing MenuBlank Pages Duplex CollationCopies Off Long Edge Duplex BindMultipage Border Short Edge Multipage Order Horizontal Vertical Rev Horizontal Rev Vertical Multipage Print Multipage View Separator Sheets Separator Source Job Menu Abort RestoreCancel Job Confidential Job Held Jobs Reset Printer Print Buffer PictureGrade Print ResolutionQuality Menu Scanned photos Toner Darkness Cassette Configure MPPaper Menu Manual Paper Labels Card Stock Envelope Transparency Custom TypesPaper Loading Duplex Letter Legal Executive DL Envelope Paper SizeTray x Size MP Feeder Size Manual Pap Size Manual Env Size 11 x C5 Envelope Universal 4 Envelope Other Envelope Paper Source Tray x Tray MP Feeder Manual Paper Manual Env Tray 1-Plain Paper MP Feeder-Custom Type Tray 2-Custom Type Paper TypeTray x Type MP Feeder Type Manual Pap Type Manual Env Type Tray 3-Custom Type Universal Setup Substitute Size PCL Emul Menu A4 Width Font Name Auto CR after LFAuto LF after CR R0 Courier Resident Font SourceLines per Point Size OrientationPitch Restore Defaults Symbol SetNone Paper source ignores the Select Paper Feed command Tray Renumber Ppds Menu Lines per Inch Best Fit Character Set Lines per Inch Whole FormatTray 1 Renumber Tray Serial Menu 120057600 2400115200 4800 9600 19200 38400 BaudData Bits Job Buffering NPA ModeHonor DSR Off Printer does not perform NPA processing Auto Even Odd None Ignore PCL SmartSwitchParity RS-232 PS SmartSwitchRobust XON Serial Buffer Serial Protocol Network Buffer PS SmartSwitch Network x Setup Std Net Setup Network Menu Network Buffer Network x SetupMAC Binary PS 161 Std Net Setup Parallel Menu Advanced Status Honor Init Parallel Mode Parallel Buffer Protocol Standard 167 Setup Menu Alarm Control Download Target Auto ContinueDisplay Language 255 Protect Jam RecoveryJob Accounting 240 Power SaverPrint Area Normal Whole Resource Save Print TimeoutPrinter Language Seconds until the toner cartridge is replaced Toner AlarmWait Timeout Font Priority Print PS ErrorPostScript Menu MAC Binary PS PS SmartSwitch NPA Mode USB Buffer USB Menu 176 USB Buffer Utilities Menu Defragment Flash Format Flash Factory DefaultsFormat Disk Print Demo Hex TraceJob Acct Stat Print Directory Print Menus Print Net x SetupPrint Fonts PCL Fonts Remove Held Jobs Printer memory Edition notice 183 Trademarks United States Government Restricted Rights 185 Safety information Licensing notice Electronic emission notices Printers with a network cable attached Printers without a network cable attached 188 United Kingdom Telecommunications Act Noise emission levels Energy StarLaser notice Index 191 192 193 194 195 196