Epson II The printed image is too dark

Decline in Print Quality

The printed image is too dark.

The print density knob may not be set correctly. Raise the printer cover and turn the print density knob counterclockwise. See Chapter 2 for information on adjusting the print density knob.

If the problem persists, replace the photoconductor unit as described in Chapter 6.

Troubleshooting 7-33

Contents

Page Page Page Important Safety Instructions 1.Read all of these instructions and save them for later reference 2.Follow all warnings and instructions marked on the product 4.Do not use this product near water This product is equipped with a Never push objects of A.When the power cord or plug is damaged or frayed B.If liquid has been spilled into the product C.If the product has been exposed to rain or water E.If the product has been dropped or the cabinet has been damaged Safety Information Laser Safety CDRH Regulations Operator Safety Ozone Emission Contents Chapter 6 Maintenance and Transportation Chapter 7 Troubleshooting Chapter 8 Technical Specifications Appendix A Options Appendix B Font Cartridges Appendix C Character Samples and Symbol Sets Appendix D Printer Modes Glossary Index Page Introduction Options Paper cassette (legal) Multi-mediafeeder (C812141) Epson optional interfaces Memory board (C8226Ol) 4 Introduction Epson GL identity card (C826021) Laser printer precautions Do not touch Avoid pressing on the top of the toner cartridge 6 Introduction Finding your way around Chapter 6 gives you information on maintaining and transporting your printer Warnings, Cautions, and Notes WARNINGS must be followed carefully to avoid bodily injury CAUTIONS must be observed to avoid damage to your equipment Notes Tips for the first-timelaser printer user On rare occasions, a print job needs an extra push Adjust your software’s lines-per-pagesetting to You may have to add memory if you print highly complex graphics Take advantage of your printer's special features Rest assured that your laser printer is safe to use Where to get help get Assistance in locating your nearest Authorized Epson Reseller or Service Center Epson technical information library fax service Customer Relations Setting Up the Printer Finding a Place for the Printer Place the printer on a flat, stable surface To give you enough room to open the printer cover, allow 1-2Setting Up the Printer Page Paper Cassette Page Carrying the printer 1-6Setting Up the Printer Assembling the Printer Installing the Photoconductor unit Page Page Page Installing the toner cartridge 1. Open the front cover Page Page Page Loading and installing the paper cassette Page Make sure the corner brackets on the cassette cover the edges of the paper 5.Close the paper cassette cover Attaching the power cord 1-18Setting Up the Printer Page Testing and Connecting Your Printer The Control Panel Display The display shows the printer’s status and available options Status messages, such as WARMING UP, indicate the printer’s current status 2-2Testing and Connecting Your Printer Indicator lights Testing and Connecting Your Printer Buttons 2-4Testing and Connecting Your Printer Page Testing the Printer Turning on the printer Note: 2-6Testing and Connecting Your Printer ROM Check READY : P LJ-2P CANCEL : < S : P: O : 3. Press 4.Press D twice to print the status sheet. A sample printout is shown below 5. Press the SelecType button twice to exit SelecType Adjusting print density 2-10Testing and Connecting Your Printer Page Page Connecting the Printer to Your Computer Connecting the printer to more than one computer Choosing an interface Connecting the parallel interface Page Now you can test the computer-to-printerconnection as described below 2-16Testing and Connecting Your Printer Testing the parallel connection as: c: Connecting the serial interface 2-18 Testing and Connecting Your Printer Page Using your Printer with Application Software Using Printer Selection Menus Matching the printer mode to your application program Page FX-85 FX-80 3-4Using your Printer with Application Software Printing a test file Using your Printer with Application Software SelecType SelecType Overview SelecType Level 1 functions INPUT SelecType 4 SelecType Level 2 functions 4-4 SelecType Using SelecType to try a The Control Panel SelecType The Display The display also uses the icons shown below: This icon to the left of an option indicates that you can press either or to view other options in the menu You can use Steps to using SelecType There are five basic steps to using SelecType: 1.Enter SelecType mode 2.Move to the option you want 3.Set, select, or execute the option Page Set, select, or execute the option To set, select, or execute an option, you simply press D Note: If you want to back out to the main menu at any time without changing a setting, press Save the setting Page SelecType Options SelecType Options *STD OPT AUTO If you choose STD, the printer loads paper from the standard paper cassette 4-12SelecType *LETTER HALF LT (Half Letter) LEGAL GLT Page STATUS SHEET FONT SAMPLE This option includes these eight submenus: Each submenu is explained below 4-16SelecType -64 to +63 Use this option to load one of the macros you’ve created using the Then press 4-18 SelecType 1to Page Level 2 options Print two different test patterns to check whether your printer is * LJ-2P . The following display appears: 4-22SelecType press to move to the channel selection submenu Press to change the channel, if necessary; then press The PARALLEL option has these three submenus: SLCTIN AUTOFEED Page 600 Page Page 1 to 99 (K) 4-28SelecType If you want to change the setting, press to choose INDIVIDUAL or AUTO-SENSE After you set the channel, you see the following display: If you choose INDIVIDUAL, you see this display: Press to move to the following display: and Then press to set the numbers and move to the following display: 4-30 SelecType are now saved and also are in effect every time you turn the printer on 10 to 600 (in steps of 10) Page Page Choosing a Font not HP emulation mode When you are in the LJ-2Pmode, the FONT option display shows: to enter the FONT option LQ and FX emulation modes When you use either the LQ or FX emulation mode, the FONT option display shows: FONT Courier *Courier Prestige Using the SUB CONFIG Option FORM SYMSET 0 through 4-36SelecType Page LQ and FX emulation modes PITCH CGTABLE CONDENSED COUNTRY *OFF ON 0 to available 1 to available Default right margin Legal 4-40SelecType *OFF ITALIC *USA Spain1 France Japan Page *DARK LIGHT BCODE 4-44SelecType Paper Handling Choosing Paper 5-2Paper Handling Be sure to load letterhead and forms face down in the paper cassette Envelopes-Load 5-4Paper Handling Paper-feedMethod Material Paper feeding and print quality are usually best with regular paper Special Setting for Thin Paper Loading Paper in the Cassette Page Page Page Choosing a Paper Size Changing the paper-sizesetting Saving the new paper-sizesetting 5-12Paper Handling Page Loading Paper Manually Page 5-16 Paper Handling Maintenance and Transportation Replacing Consumable Parts Replacing the toner cartridge Page Page 6-6Maintenance and Transportation 10. Close the front cover 11. Insert the paper cassette Replacing the ozone filter 4.Install the new filter as shown below 5. Close the fan cover Cleaning the transfer charger wire Clean the transfer charger wire each time you replace the toner cartridge 1. Open the printer cover 3. Close the printer cover Replacing the photoconductor unit 6-10Maintenance and Transportation 1.Make sure the printer is off Do not touch Page Page Page Page 6-16Maintenance and Transportation Cleaning Your Printer Transporting Your Printer Packing for transportation If the optional 6-18Maintenance and Transportation Page 7.Close the front cover 8.Push down on the latch on the top of the printer to open the printer cover 6-20Maintenance and Transportation Page Troubleshooting Status and Error Messages The messages [E]ADD MEMORY FOR CH-X [E]CANCEL MANUAL FEED 7-2Troubleshooting [E]CHANGE PCU Replace the photoconductor unit as described in Chapter [S]COPY END [E]COVER OPEN PCU The printer cover or fan cover is open or the toner cartridge or [E]ILLEGAL CARD [S] INITIALIZE The printer is being initialized to the factory or optional settings [E] INSUFF MEMORY [E]PAGE BUFFER FULL [E]PAPER OUT [paper source] [paper size] [E] [E]PAPER SIZE ERROR [S] PRINTING The printer has received data and is printing [E]RESELECT TRAY [S]RESET [S]ROM Check The printer is checking ROM [E] SAVE MEMORY OVERFLOW [E]SET FULL PRINT [S]STANDBY MODE [W] TONER LOW [E]TONER OUT The toner cartridge must be replaced, as described in Chapter Troubleshooting Directory Paper jam problems Paper jam Power supply Troubleshooting Directory Decline in print quality The print quality is not what you expected Options Using optional font cartridges, the printer does Paper Jam Problems FEED JAM 2.Open and close the printer cover to reset the paper jam detector 1.Pull out the multi-mediafeeder 2.Remove any folded or curled paper from the front opening as shown below WARNING: Opening the printer exposes the fuser, which is marked by a CAUTION: HOT SURFACE label. Be careful not to touch the fuser 7-12Troubleshooting Page 4.If the paper is caught at the fuser area, pull the paper out as shown below 7-14Troubleshooting Page Power Supply Power is not being supplied to the printer After turning on the printer, the display panel remains blank 7-16Troubleshooting Printing Problems The printer does not print or stops printing The ON LINE light is on but nothing is printed ON LINE The ON LINE light is off Printing Problems The printer stops printing and the display reads PAPER OUT or TONER OUT The printout is not what you expected The font you selected with software commands cannot be printed Text is printed with an extra blank line even after you set AUTOFEED to off Some or all of the output is garbled or printed as asterisks The position of the printout is not what you expected The right or left margin setting does not match the actual width of the paper 7-20 Troubleshooting Problems With Graphics Graphic images do not print After changing the printer mode, you are unable to print graphics You cannot print graphics using the serial interface Page SelecType Problems SelecType does not function as expected Settings made with SelecType are ignored Desired SelecType settings are nut displayed 7-24 Troubleshooting Paper Handling The paper feeds but then jams at the paper eject area Printed pages curl too much and are not placed in the output tray properly Thin paper creases Use the Special paper setting. See page 5-6for instructions 7-26Troubleshooting Paper Handling The printer prints a page and then stops The display reads PAPER SIZE ERROR and the CONTINUE light flashes CONTINUE SelecType When you press the RESET button, any data remaining in the printer is lost 7-28Troubleshooting Decline in Print Quality Vertical black or white bands or lines appear on printed pages white bands appear Horizontal black or white bands appear on printed pages Periodic dirty marks appear in the printout Toner smudges across the printed pages The darkness of the printout is uneven Irregular areas of missing image appear on the printed page moisture content Completely blank pages are output A black page is printed The printed image is light or faint 7-32Troubleshooting The printed image is too dark Page Using an optional interface, the printer does not operate as expected The printout is garbled or the printer does not print After installing additional memory, the printer does not function as expected 7-36Troubleshooting Data Dump Mode 1.Make sure that the printer is loaded with paper and turned off Hold down the To turn off the data dump mode and stop printing, press 7-38Troubleshooting Technical Specifications Printer Specifications Printing Cartridge slot: P / L 8-2Technical Specifications Paper and paper delivery Page Page HP LJ-2Pmode 8-6 Technical Specifications FX and LQ emulation modes Consumable products 8-8Technical Specifications Storage temperature: 0 to 30°C (32 to 80°F) For less than 20 days -20to 43°C (-4to 109°F) Life: Example of a 5% print ratio (reduced printout, Letter-sizepaper) Replace at the same time as the toner cartridge Mechanical Electrical 8-10Technical Specifications Controller hardware RAM: Environmental 20% Interface Specifications The printer has the following resident interfaces: Centronics parallel RS-232C serial Your printer is equipped with an 8-bitparallel interface Page 8-14Technical Specifications Interface Specifications Note: BUSY si Interface timing The figure below shows the timing for the parallel interface Serial interface (RS-232C) 300, 600, 1200, 2400, 4800, 9600 8-16Technical Specifications Interface Specifications Serial interface pin assignments Signal Pin XON/XOFF protocol DTR/DSR protocol 8-18Technical Specifications Initialization All of the printer’s parameters return to the default power-onsettings: When the power is turned on When the power is turned off and, after at least 5 seconds, turned on again You return the current SelecType Level 1 settings to the saved settings: Initialization Default settings in HP emulation mode 8-20Technical Specifications Page Default settings in LQ and FX emulation modes 8-22Technical Specifications Upright Enable Option Specifications Mechanical Appendix A The Multi-MediaFeeder Installing the multi-mediafeeder A-2Options Page A-4Options Loading paper match Options A-5 A-6Options 5. Close the paper cover Operating the multi-mediafeeder Selecting the feeding method 1. Press SelecType to enter SelecType Level Options A-7 A-8Options MACRO Status messages PAPER SIZE ERROR TRAY SET PAPER OUT The Optional Interface Board 4. Hand-tightenthe screws on the interface board until snug Make sure the printer is turned off. Then plug the power cord into the printer Options A-11 A-12Options The Memory Expansion Board Installing RAM chips on the memory board Page A-16Options 7. Repeat steps 3 through 6 for each of the three remaining chips Installing the board To install the memory expansion board, you need a cross-headscrewdriver WARNING: CAUTION: 1.Unplug the power cable from the printer 2.Disconnect all interface cables from the rear of printer Remove the two A-18Options Board 5.Secure the board using the four screws attached to the memory board Options A-19 Checking the board 1.Turn on the printer power and watch the display for the following: All the indicator lights on the display light briefly The message ROM Check appears The message RAM Check x.x MB appears Optional Epson GL Identity Card Inserting a card You can insert a card into the slot on the right side of the printer 1.Make sure that the printer is not in one of the following conditions: You are setting parameters using SelecType The display shows the RESET message A-23 Using the Epson GL identity card 1.Press SelecType until SelecType LEVEL2 appears on the display 2.Press until MODE ASSIGN appears 3.Press 4. Press or Removing a card RESET Set the printer off line (make sure the Options A-25 Recovering from a card error REINSERT CARD ILLEGAL CARD #X MEMORY OVERFLOW INSUFF MEMORY Font Cartridges Available Font Cartridges Caution: Font Cartridges B-3 Using the Font Cartridges Page If the power is Selecting a font with your application program B-6Font Cartridges Removing a font cartridge CAUTION: Font Cartridges B-7 Page Character Samples and Symbol Sets Available Fonts and Symbol Sets Symbol sets Character Samples and Symbol Sets C-3 HP Emulation Mode Character Samples and Symbol Sets C-5 International Set for ISO Sets C-6Character Samples and Symbol Sets Character Samples and Symbol Sets C-7 Page Page C-10Character Samples and Symbol Sets Character Samples and Symbol Sets C-11 LQ and FX Emulation Modes Character sets Epson Italic Character Table Character Samples and Symbol Sets C-13 Pc USA C-14Character Samples and Symbol Sets Character Samples and Symbol Sets C - 1 International Characters for C-16Character Samples and Symbol Sets Converting Hexadecimal Numbers to Decimals Printer Modes Available Printer Modes D-2Printer Modes HP Emulation Mode Printer Modes D-3 HP Emulation Mode Operating as an HP LaserJet IIP printer D-4Printer Modes Printable area Character clipping Paper handling HP emulation command summary Printer Modes D-5 D-6Printer Modes Printer commands arranged by topic IIP Printer Modes D-7 D-8 Printer Modes Printer Modes D-9 D-10Printer Modes Printer Modes D-11 LQ and FX Emulation Modes Operating as an LQ or FX series printer LQ and FX emulation mode command summary D-12Printer Modes ESC < Unidirectional mode (one line) ESC 8 Disable paper end detector ESC 9 Enable paper end detector ESC U Select print direction ESC s Set/cancel half-speedprinting ESC w ESC &, ESC K, ESC L, ESC Y, ESC Z, ESC *, and ESC ^ ESC & D-14 Printer Modes D-14 ESC C, ESC C0 DEL CAN ESC EM Your printer supports 1,2, and R for n Data control: CAN ESC # Vertical motion: Form feeding ESC Q Tab horizontally ESC D Set horizontal tabs ESC LQ and FX Emulation Modes Modes ESC F ESC G ESC H Glossary bold buffer byte character set character spacing download font dpi Dots per inch. This is a measure of print resolution driver EEPROM fixed pitch hex dump mode identity cards Optional cards that can be plugged into the card slot on the printer initialization line space The distance between lines of text memory EEPROM, RAM ROM parallel interface See interface Parity between pitch proportional spacing RAM reset ROM serial interface symbol set test print toner transfer charger wire transfer Index Page Index IN-3 IN-4Index RAM, 4-16-17, A-14-16Removing a font cartridge B-6-7 Replacing RESET button, 2-4-5Resident fonts, C-2 RX-BUFFERSIZE function, 4-4 5-12-13Selecting IN-6Index SelecType Map SelecType Level 1 in LJ-2Pmode SelecType Level 1 in LQ and FX modes SelecType Level Page Page Page Epson America, Inc