Compaq LA36 Manuale Utente

Compaq Matrix Printer LA36User ManualCompaq Computer Corporation

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6-4Trouble-ShootingPaper Handling Problems and SolutionsThe following table describes common paper handling problems and suggests solutions.See Chapte

6-5Trouble-ShootingProblem SolutionMake sure that the forms tractors are positionedcorrectly for the width of your paper and that theperforated holes

6-6Trouble-ShootingPrinter FailuresA user cannot generally resolve a problem involving defective printer hardware. Ondetecting a fatal error, the pri

6-7Trouble-ShootingChecking Vertical AlignmentIn bidirectional printing, characters printed from left to right tend to misalign with charactersprinted

6-8Trouble-Shooting3. Adjust the vertical print alignment at Correspondence and Draft quality speed.Press the button and the button to switch Letter q

A-1Supplies and OptionsASupplies and OptionsThis appendix lists the accessories and options available for the printer. Contact your dealerfor informa

A-2Supplies and OptionsInstalling OptionsThe installation of options allows you to expand the capabilities of your printer.This section contains an in

B-1Printer and Paper SpecificationsBPrinter and Paper SpecificationsThis appendix provides the physical, functional, and performance specifications fo

B-2Printer and Paper SpecificationsFunctional SpecificationsPrint method Impact dot matrix with a 0.2 mm, 24-wire headPrint direction Bidirectional lo

B-3Printer and Paper SpecificationsCharacter setsDEC mode 32 character sets94-character sets: 26 character setsBritish, ASCII, DEC Dutch, DEC Finnish,

1-1Introduction1IntroductionCongratulations on purchasing a Compaq Matrix Printer LA36N/LA36W. This printer is acompact, versatile printer that offer

B-4Printer and Paper SpecificationsLine spacing 2, 3, 4, 6, 8, or 12 lines per inch.1, 2, or 4 lines per centimeter.Character pitch 10, 12, 13.2, 15,

B-5Printer and Paper SpecificationsPaper SpecificationsPrint AreaThis section illustrates the recommended print area for single sheets and continuous

B-6Printer and Paper SpecificationsPrint areaPerforation5.08 mm or more(0.2 inch or more)102 mm(4 inches)or morePaper end25.4 mm (1 inch)25.4 mm (1 in

B-7Printer and Paper SpecificationsPaper ThicknessPaper thickness is given by the weight of the paper in either grams per square meter (g/m2)or in pou

B-8Printer and Paper SpecificationsType of Paper Number of Parts ThicknessCarbon-backed Do not use in high humidity environments.Top 40-64 g/m2 (34-55

C-1Command SetsFunction CommandCCommand SetsThis appendix describes printer commands and their parameters.This printer has the following three residen

C-2Command SetsFunction CommandDEC PPL2 Quick Reference GuideThis section contains basic information on the DEC PPL2 commands supported in theCompaq M

C-3Command SetsFunction CommandCharacters used in control functions appear in monospaced type. The following tableexplains some of the conventions use

C-4Command SetsFunction CommandPositioning ControlsMnemonic Function Command RemarksBS Backspace 0/8 C0 Control CodeCR Carriage Return 0/13 C0 Control

C-5Command SetsFunction CommandHPR Horizontal Position CSI Pn a Pn = number of columns downRelativeVPA Vertical Position CSI Pn d Pn = position to mov

1-2Introduction• Various character sets. For the DEC PPL2 protocol, 31 character sets (twenty-five 94-character sets and six 96-character sets) are a

C-6Command SetsFunction CommandType Size and Spacing, Managing Implicit Cursor MotionMnemonic Function Command RemarksDECAWM Autowrap Mode CSI ? 7 h S

C-7Command SetsFunction Command Font Management and Attribute SelectionMnemonic Function Command RemarksSGR Select Graphic CSI Ps m Ps = 10 : Courier

C-8Command SetsFunction CommandTabsMnemonic Function Command RemarksDECCAHT Clear All ESC 2 deprecated commandHorizontalTabsDECCAVT Clear All ESC 4 de

C-9Command SetsFunction CommandSelecting Character SetsSee Figure Designating and Invoking Character Sets later in this section.Mnemonic Function Co

C-10Command SetsFunction CommandSCS Final CharactersCharacter Set I2 F Designator Charactors94-Character SetsBritish A 4/1ASCII B 4/2DEC Dutch 4 3/4DE

C-11Command SetsFunction CommandCharacter Set I2 F Designator Charactors96-Character SetsISO Latin-1 Supplemental A 4/1ISO Latin-2 Supplemental B 4/2I

C-12Command SetsFunction CommandMnemonic Function Command RemarksDECLANS Load DCS Ps ; Pn2 ; Pn3 Ps = 1 : No password - Do not storeANSWERBACKv encode

C-13Command SetsFunction CommandMiscellaneousMnemonic Function Command RemarksBEL Bell 0/7 C0 Control CodeDECSCL Select Conformance CSI Ps1 " p P

C-14Command SetsFunction Command Barcode PrintingMnemonic Function Command RemarksDECBAR Start or Stop Bar ESC % SP 0 Start barcodeCodes ESC % @ Stop

C-15Command SetsFunction CommandActive position after printing a bar code is the same position as before printing bar code.After printing bar code, ap

2-1Paper Handling2Paper HandlingThis chapter explains how your printer uses paper. Topics covered are: Getting to know the printers major parts and

C-16Command SetsFunction CommandSixel Graphics Protocol Selector Ps1Ps1 Value Horizontal Grid Size (inches) Aspect Ratio (Vert : Hor)10, 1 or none 1/1

C-17Command SetsFunction CommandSixel Graphics Control CodesMnemonic Function Command RemarksDECGRA Set Raster Attributes " (2/2) Defines the pix

C-18Command SetsFunction CommandStandard 8-bit Code Table (Left Half)Standard 8-bit Code Table (Left Half)

C-19Command SetsFunction CommandStandard 8-bit Code Table (Right Half)Standard 8-bit Code Table (Right Half)

C-20Command SetsFunction CommandDesignating and Invoking Character SetsPower-up configuration is as follows:GL: G0GR: G2G0: Value for DEC G0 CST Set-U

C-21Command SetsFunction CommandNational Replacement Character SetsNational Replacement Character SetsLoca-tion DECUS DEC French- ISO JISASCII British

C-22Command SetsFunction CommandIBM Proprinter X24E and XL24E Quick Reference GuideThis section describes the printer commands for the IBM Proprinter

C-23Command SetsFunction CommandHorizontal ControlSpace SPBackspace BSCarriage return CRElite characters on ESC :Proportionally spaced characters on/o

C-24Command SetsFunction CommandVertical tab execution VTSet vertical tabs ESC B (n1) ... (nk) NULThe values of n1to nk in this command are theASCII v

C-25Command SetsFunction CommandSelect code page table ESC [ T (n1) (n2) 0 0 (c1) (c2)(0 £ n1, n2 £ 255) (n = n1 + n2 X 256)c1, c2: Decimal (n1 = 4,

2-2Paper HandlingParts of the PrinterFront and Rear Views234671910111716151885121314

C-26Command SetsFunction CommandCut Sheet Feeder Control*Feed a sheet from bin 1* ESC EM 1Feed a sheet from bin 2* ESC EM 2Feed a sheet from bin 3* ES

C-27Command SetsFunction CommandEpson ESC/P2 Quick Reference GuideThis section describes the printer commands for the Epson ESC/P2 protocol. Asterisk

C-28Command SetsFunction CommandSelect printing style ESC ! (n)This command allows you to combine variousprinting styles. The value of n is the sum o

C-29Command SetsFunction CommandVertical ControlLine feed LFForm feed FFAdvance paper n/180 inch (1 £ n £ 255) ESC J (n)Set line spacing to 1/8 inch

C-30Command SetsFunction CommandPage FormattingSet right margin to column n ESC Q (n)(1 £ n £ 255)Set left margin to column n ESC l (n)(0 £ n £ 255)S

C-31Command SetsFunction CommandSelect international character set ESC R (n)n = 0: USA1: France2: Germany3: United Kingdom4: Denmark 15: Sweden6: Ital

C-32Command SetsFunction CommandClear input buffer CANDelete a character DELForce most significant bit to 1 ESC >Force most significant bit to 0 ES

C-33Command SetsFunction Command n1 and n2 set point size of font.Point size = (n1 + n2 X 256) X 0.5 point(0 £ n1 £ 255) (0 £ n2 £ 127)Copy resident

C-34Command SetsFunction Command

D-1Interface InformationDInterface InformationThis printer can communicate with a computer through either a DEC-423 serial interface ora Centronics pa

2-3Paper HandlingThe figures on the previous page show front and rear views of the printer. The followingparts are indicated:Front View 1. Front cov

D-2Interface InformationCentronics Compatible signalsPin Direction Signal Description1 To printer STROBE L STROBE pulse low to read dataA strobe low s

D-3Interface InformationPin Direction Signal Description33 0 volts. Same as pins 14, 19-30.34 Not used35 Not used36 Not usedIEEE 1284-B Nibble Mode si

D-4Interface InformationPin Direction Signal Description31 To printer Init L Set to high for Reverse Channel operation32 From printer DataAvail L Reve

D-5Interface InformationSerial OptionsThe serial options for the computer and the printer must match. Use the printer controlpanel, the computer oper

D-6Interface InformationBuffer Control DescriptionXON/XOFF (DC1/DC3) When the printer is ready to receive data, it sends the XON(DC1) code (hex 11).

E-1Character SetsECharacter SetsThis appendix provides character sets available for this printer. Available character setsdepend on the protocol sele

E-2Character Sets DEC Special Graphics Character Set DEC Technical Character Set ISO Latin-1 Supplemental Character Set * ISO Latin-9 Character Se

E-3Character Sets

E-4Character Sets

E-5Character Sets

2-4Paper HandlingOperations of the Control PanelThis section summarizes status indications and operations of the control panel in Normalmode. For det

E-6Character Sets

E-7Character Sets

E-8Character Sets

E-9Character Sets

E-10Character Sets

E-11Character Sets

E-12Character Sets

E-13Character Sets

E-14Character Sets

E-15Character Sets

2-5Paper HandlingControl Panel Operations : This operation has no connection with this condition.N/A : The condition does not apply because this oper

E-16Character Sets

E-17Character Sets

E-18Character Sets

E-19Character SetsCommon to IBM Proprinter X24 and XL24E Protocol and EpsonESC/P2 ProtocolDefault SetsThe following thirty two character sets are avai

E-20Character SetsCode Page 857Code Page 852Code Page 851Code Page 860Code Page 862Code Page 858

E-21Character SetsCode Page 863Code Page 865Code Page DHNTurkishECMA 94Code Page 866

E-22Character SetsISO Latin 1ISO Latin 2ISO Latin 9HungarianSlovenianPolish

E-23Character SetsKamenickyMazowianELOT 927Latin PolishELOT 928Cyrillic

E-24Character SetsMIKMacedonianLithuanian 1Lithuanian 2

E-25Character SetsIBM Proprinter X24E and XL24E ProtocolIBM Set 1/2IBM character set 1 and IBM character set 2IBM Set 1IBM Set 2

2-6Paper HandlingOperation Required Conditions *1Required ActionReady Printing *2FaultSelect a resident font  Not printing Off Press Font.Enter Macro

E-26Character SetsEpson ESC/P2 ProtocolNational Character SetsThe following fifteen character sets are available.USA, France, Germany, UK, Denmark 1,

E-27Character SetsNational CharactersThe following table shows national characters that differ with languages. Character codescorrespond to NRs in

E-28Character Sets

F-1Resident FontsFResident FontsThis appendix provides print samples of the printers twelve resident fonts.DraftHigh-Speed DraftHigh-Impact DraftPica

F-2Resident FontsTimeless (outline)Nimbus Sans ® (outline)OCR AOCR B

GL-1GlossaryGlossaryA4 SizeA standard paper size used in Japan and other countries. Paper is 210 X 295 mm (8.25 X11.6 inches).Application SoftwareSo

GL-2GlossaryCarriage Return (CR)The return of the print head carriage to the beginning of the next line.Centronics InterfaceA type of parallel interfa

GL-3GlossaryDefaultsSettings selected automatically by the printer when the power is turned on. Enter the Set-Upmode to change the defaults to ensure

GL-4GlossaryLine Feed (LF)A signal to the printer that advances the paper forward one line. Line feeds can be executedeither by your software or by p

GL-5GlossaryPitchCharacters per horizontal inch (cpi).PlatenA hard rubber cylinder that moves paper forward during printing.Printing TestA test that d

2-7Paper HandlingPrinter Acoustical Feed-BacksExcept for paper handling and when the factory setting for beep is not changed, the printerbeeps in the

GL-6GlossarySingle SheetsSingle sheets are sheets of paper, envelopes, and noncontinuous multiple forms fed into theprinter using the cut sheet stand

IN-1IndexIndexAAdjust FunctionDescription  4-5Changing Options  4-29ANSWER ENQ  4-20Arrow Buttons  2-6, 2-9, 4-5, 4-6, 4-8AUTO ANSBK  4-20AUTO SW

IN-2IndexEE-CHR SET  4-24Envelopes  2-32EOT DISCON  4-20Epson ESC/P2 ProtocolPrinter Commands  C-26Switching to  3-8, 4-16ERROR BEEP  4-27Exit/S

IN-3IndexPPaperContinuous Forms  2-14, 2-19Ejecting Single Sheets  2-13Feeding  2-28Loading  2-11, 2-16, 2-19Print Area  B-5Recovering form an Un

IN-4IndexRRating Label  2-3Ready Indicator  2-4Recall Factory Defaults Function  4-31Resident Fonts  1-2Print Sample  F-1Selecting  3-7Resident

International Standards ConformityFederal Communications Commission (FCC) Statement:This equipment has been tested and found to comply with the limits

2-8Paper HandlingOverview of Paper OperationsThe following levers and buttons are used in paper handling: Paper select lever 1 at the top left corner

2-9Paper HandlingLevers and Buttons Used for Paper HandlingLever/Button Purpose ActionFF/LOADForm feed Press FF/Load to execute a form feed.Continuous

2-10Paper HandlingAdjusting for Paper ThicknessThe printer can handle paper with different thicknesses, including multipart forms with up tofive parts

2-11Paper HandlingPaper Thickness Lever PositionsNumber of Copies Position *2(Including the Original) *11 copy 12 copies 23 copies 34 copies 45 copies

2-12Paper HandlingNote: Below the left paper guide 1, the cut sheet stand has a scale graduated in units of0.1 inch. When the left paper guide is pos

2-13Paper HandlingLoading a Sheet of Paper6. If you want to slightly adjust the Top-of-Form position, the first line on which printingcan start, adjus

2-14Paper HandlingUsing Continuous FormsContinuous forms paper, fanfolded at the horizontal perforations, is ideal for printing roughdrafts and long f

2-15Paper HandlingPositioning the Paper StackPlace the stack of continuous forms paper directly below the rear of the printer 1 for push,rear feed or

2-16Paper HandlingLoading Continuous Forms (Push Tractor and Rear Feed)This section explains how to use continuous forms when the tractor unit is inst

2-17Paper Handling5. For both forms tractors 2, release the tractor locking levers 5 by pulling them up. Openthe tractor paper holders 6.

iTable of ContentsPreface ... vAbout This Manual...

2-18Paper Handling8. Fit the paper feed holes onto the left and right tractor pins. Adjust the left forms tractor(as seen from the rear of the printe

2-19Paper Handling12. Press the ONLINE button to place the printer on line. Print a sample page and check thepage margins. Make the following adjust

2-20Paper Handling2. Pull up both ends of the tractor unit to detach the catches 1 of the tractor unit from thesupport studs 2. Then pull the tractor

2-21Paper Handling4. Open the acoustic cover and the top cover 3 to access the top of the printer.5. Position the catches 1 of the tractor unit on the

2-22Paper Handling4. Open the front cover 1, with taking care of not totally removing it.5. Place the continuous forms paper below the table and pass

2-23Paper Handling9. Turn the platen knob 4 to adjust the print start position and turn the printer on. Thehorizontal embossed rib under the red curs

2-24Paper HandlingUnloading Continuous Forms (Push-Feed Mode)To unload continuous forms:1. Make sure that the paper select lever is set to the rear po

2-25Paper HandlingNote: If the printing job does not include a form feed command, the paper is onlyautomatically fed so that you can see the last prin

2-26Paper HandlingFeeding and Positioning PaperPrint Area Definition TOF (Top-of-Form):This value defines the distance between the edge of the paper

2-27Paper Handling11234562345678123456484950ABCDEFGHIJ ···ABCDEFGHIJ ···TOFLABCDEFGHIJ ···5152... ...TOFPrint Area Definition21534

ii3. Printing ... 3-1Selecting Print Features ...

2-28Paper HandlingLine Feed/Form FeedUse the line feed/form feed function to move paper forward. This function is valid wheneverthe printer is not re

2-29Paper Handling To increase the Top-of-Form value of a 1/60 inch, press the button.The paper moves forward. To decrease the Top-of-Form value of

2-30Paper HandlingTo switch from continuous forms to single sheets:1. Tear off your printed pages.2. Retract the forms paper to the park position by p

2-31Paper HandlingCaution: When manipulating the tractor unit, always be careful not to pull on plasticparts (below the forms tractors) in order to av

2-32Paper HandlingGeneral Tips Use high-quality paper. Do not use paper that is wrinkled or curled at the edges. Do not use paper with staples or m

3-1Printing3PrintingThis chapter describes the following everyday printing operations: Selecting print features Starting, stopping, or resuming prin

3-2PrintingUsing Commercial SoftwareMany commercial software packages offer a wide variety of print features, including somefeatures that are not supp

3-3PrintingThe Font button specifies one of the nine resident fonts defined by font names and pitcheson the control panel. The selectable resident fo

3-4Printing3. To change to a resident font, see the next section. Otherwise, press the Pause button toreturn the printer to the Ready state. You are

3-5PrintingPrint Feature Factory SettingsMacro 1 Macro 2DEC mode DEC printer ID PPL2 PPL2 Auto wrap Wrap Wrap EOT disconnect No disconnect on EO

iii5. Maintenance ... 5-1Cleaning ...

3-6PrintingInstallation SettingsPrint Feature Factory SettingsLanguage EnglishTear Auto, 1 secondSingle sheet loading Auto, 2 secondError beep OneBuff

3-7PrintingwSelecting a Resident FontYou can use the control panel to select a resident font other than the font specified in theselected macro or by

3-8PrintingChanging the ProtocolWhen you first turn the printer on, the active protocol depends on what port will be used forprinting.For Macro 1: If

3-9PrintingStarting or Stopping PrintingStarting PrintingBefore you start to print, make sure that paper is loaded. Also, verify that the paperthickn

3-10PrintingRemoving Printed PagesThis section describes the best methods for removing single sheets or continuous formspaper after printing.Removing

4-1Using Set-Up Mode4Using Set-Up ModeYour Compaq Matrix Printer LA36 has two operation modes: The Normal mode is used for everyday operations, like

4-2Using Set-Up ModeHow Set-Up WorksThe Set-Up mode consists of Set-Up functions which correspond to printer settingsdescribed in the previous page.

4-3Using Set-Up Mode2. Turn the printer off.3. Turn the printer back on while pressing the Set-Up/Quit button until the printer beeps.4. Remove the ac

4-4Using Set-Up Mode5. When the printer enters the Set-Up mode, it prints the following information. During theSet-Up mode, the M1 and M2 indicators

4-5Using Set-Up ModeOverview of the Set-Up ModeWhen you enter the Set-Up mode, the following <FUNCTIONS> menu is printed:<FUNCTIONS>MACRO

ivE. Character Sets ... E-1DEC PPL2 Protocol ...

4-6Using Set-Up ModeThe first four Macro 1 options and their values are shown below. Options are shadedand skipped when they are not objects of selec

4-7Using Set-Up ModeYou can press the button to select the value. Then, the printer prints the previousoption and its values.3. After selecting the d

4-8Using Set-Up ModePress the Set-Up/Quit button if you do not intend saving these settings in Macro 2.Options with Undetermined ValuesFor some option

4-9Using Set-Up Modethe button to select the Macro 2 function and print the <PROTOCOL> option and itsvalues.3. Print the menu of the left margin

4-10Using Set-Up ModePrinter prints <FUNCTIONS> menuSelect function: Press or to position the cursor, then press

4-11Using Set-Up ModePoints to Remember We recommend that you use continuous forms paper for printing in the Set-Up modebecause it will not end withi

4-12Using Set-Up ModePrintout of Factory Settings Using the PRINT Function

4-13Using Set-Up ModeDeciding Which Options to ChangeThe previous page shows a printout of the printers factory settings. In this printout,options a

4-14Using Set-Up ModeFunction Option ValueINSTALL If you have a serial interface, the serial interfaceoptions selected on the printer must be the same

4-15Using Set-Up ModeMacro 1 and Macro 2 Options ListProtocol ...

vPrefaceAbout this ManualThank you for buying a Compaq LA36 Companion Printer. You can expect years ofreliable service with very little maintenance.

4-16Using Set-Up ModeMACRO 1 and MACRO 2 Options and Values Overprinted values are the factory settings. Some settings are overridden by commands fr

4-17Using Set-Up ModeMACRO 1 andMACRO 2 Options Values Description<PRTCL PARL> Select a protocol for the parallel interface. This isinvalid and

4-18Using Set-Up Mode(Form Length)(Left Margin)(Top-of-Form)(Top Margin)(Bottom Margin)MACRO 1 andMACRO 2 Options Values Description<FORM LENGH>

4-19Using Set-Up ModeMACRO 1 andMACRO 2 Options Values DescriptionContinued CR=LF+CR: A line feed is added to each carriagereturn.LF=LF: No carriage

4-20Using Set-Up ModeMACRO 1 andMACRO 2 Options Values Description=DEC DEFLTS========= The following are the Set-Up options for DEC PPL2protocol only.

4-21Using Set-Up ModeMACRO 1 andMACRO 2 Options Values Description<DEC G0 CST> Select a character set (language) for the G0.US ASCII American En

4-22Using Set-Up ModeMACRO 1 andMACRO 2 Options Values Description<USER PREF> Select a character set (language) for the DEC UserPreference suppl

4-23Using Set-Up ModeMACRO 1 andMACRO 2 Options Values Description=IBM&EPSON ========= The following are the Set-Up options common to IBMProprinte

4-24Using Set-Up ModeMACRO 1 andMACRO 2 Options Values Description=IBM DEFLTS========= The following are the Set-Up options for the IBMProprinter X24E

4-25Using Set-Up ModeChanging Install OptionsThe INSTALL function defines the printers installation conditions. You can select alanguage from five

viThe LA36N and LA36W Model SpecificationsThe main difference between the LA36N and the LA36W is the “print span”.The LA36N is an 80-column printer an

4-26Using Set-Up ModeINSTALL Options and Values Overprinted values are the factory settings.INSTALLOptions Values Description<LANGUAGE> Specify

4-27Using Set-Up ModeINSTALLOptions Values Description<BUFFER>Assign buffer memory as the input buffer.2 KBYTE 2K bytes8 KBYTE 8K bytes16 KBYT

4-28Using Set-Up ModeINSTALLOptions Values Description<BAUD RATE> Setting of data transmission speed for DEC-423. Thebaud rate is in bps (bits

4-29Using Set-Up ModeAdjusting Top-of-Form OriginPrint positions often change gradually when you use the printer over long periods of time.The ADJUST

4-30Using Set-Up ModeChanging Menu Access OptionsYou can restrict the access to the Set-Up functions to avoid accidentally changing the Set-Up options

4-31Using Set-Up ModeRecalling Factory SettingsFactory settings are those settings preselected at the factory. To recall (reset) the factorysettings,

4-32Using Set-Up ModeHex Dump ModeThe Hex Dump mode prints data and commands in hexadecimal characters and abbreviatedcontrol codes. The ASCII charac

4-33Using Set-Up ModeSample Hex Dump

4-34Using Set-Up ModeSet-Up Mode Quick ReferenceThe following flowchart shows how the Set-Up mode is organized.Note: Asterisks (*) indicate factory se

4-35Using Set-Up ModeFNFOLD ADJ: -10 /60 IN :0 /60 IN* :10 /60 IN➤➤➤DTRXON/XOFF*BUFFER CTL:PRINT INSTALL ADJUST TESTS RCALL-FACTMENU-ACCES

vii4 - Using Set-Up ModeThis chapter describes how to change the printer’s optional settings, such as print features,hardware options, and top-of-form

4-36Using Set-Up Mode

5-1Maintenance5MaintenanceYour printer requires very little care. Occasional cleaning and replacement of the ribboncartridge are all that is required

5-2Maintenance4. Open the front cover of the printer and remove the ribbon cartridge. Using a softvacuum brush, gently vacuum the platen, the print h

5-3Maintenance2. Place the cloth against the platen and manually rotate the platen knob.3. To dry the platen, place a dry cloth against the platen and

5-4MaintenanceTo remove the ribbon cartridge:1. Turn off the printer.2. Open the front cover. For easy removal, slide the print head carriage between

5-5MaintenanceReplacing the Print HeadIf a specific dot is not printed for all characters, replace the print head.Warning: The print head may be hot i

5-6Maintenance

6-1Trouble-Shooting6Trouble-ShootingYour printer is extremely reliable, but occasional problems may occur. You can solve many ofthese problems yourse

6-2Trouble-ShootingProblem SolutionPrinting is too light or too dark. Make sure that the ribbon cartridge is properlyinstalled and that the ribbon fee

6-3Trouble-ShootingProblem SolutionThe top margin is wrong. The top margin is the sum of the printers top-of-formsetting, the software-specified top