Epson Action Laser 7-4Troubleshooting

Error Messages

ERROR 22

The buffer has overflowed due to a communication protocol error. Make sure that your SelecType settings match the communication protocol settings of your computer. If the problem persists, call the toll-free number for a Customer Care Center referral.

ERROR 40

A parity or baud rate error has occurred. Press the CONTINUE/RESET button to clear the error. Make sure your SelecType settings match your computer configuration. If the problem persists, call the toll-free number for a Customer Care Center referral.

FONT CART ERROR

The font cartridge selected using the FONT SOURCE SelecType option is not installed properly. Turn the power off. Then remove the cartridge and reinsert it. Turn the power back on and resend the print job. If the problem persists, make sure that the correct FONT SOURCE option has been selected in SelecType. See the section on SelecType in Chapter 3 for details.

INSERTION ERROR

There is a paper feeding problem. See the section on paper jams in this chapter for details.

PAPER EMPTY

There is no paper in the paper cassette, or the paper cassette is not installed properly. Load more paper into the paper cassette or properly install the cassette. See Chapter 4 for details.

PAPER JAM

Paper is jammed inside the printer. See the section on paper jams in this chapter.

7-4 Troubleshooting

Contents

Page 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 Unplug this product from 4.Do not use this product near water If an extension cord is used with this product, make sure 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 Contents Chapter 5 Printer Modes Chapter 6 Maintenance and Transportation Maintenance Messages Routine Printer Cleaning General Printer Maintenance About This Manual Conventions used in this manual WARNINGS CAUTIONS Notes 2 About This Manual Introduction Introduction High-quality Two paper delivery methods: facedown delivery for collated sheets and •Three built-ininterfaces: parallel and RS-232Cand RS-422Aserial •A small footprint and a light weight Options and supplies Epson FX Identity Cartridge Replacement Toner Cartridge Drum Unit Optional 2MB Memory Board Protect the 4Introduction Setting Up the Printer Finding a Place for the Printer •Place the printer on a flat, stable surface 1-2Setting Up the Printer Page CAUTIONS: Unpacking the Printer 1-4Setting Up the Printer Page 1-6Setting Up the Printer Page CAUTION: 6. To close the cover, push only on the ridged portion of the lid 1-8Setting Up the Printer Carrying the Printer Assembling the Printer Assembling the Printer Note: Installing internal components 1.Raise the top cover of your printer by lifting up on the latch 2.Remove the basket and place it on a flat surface 1-12 Setting Up the Printer Locate wire is silver wire charger aside for 1-14Setting Up the Printer Page 1-16Setting Up the Printer Press down simultaneously 1-18Setting Up the Printer Installing the paper cassette the Printer Installing the face-upoutput tray 1-20Setting Up the Printer WARNING: 1-22Setting Up the Printer Attaching the power cord down.) Setting the paper feed mechanism 1-24Setting Up the Printer Testing and Connecting Your Printer Testing the Printer Note: You Turning on the power 1.Make sure the printer is plugged in 2-2Testing and Connecting Your Printer Testing the Printer Loading paper 1.Remove the paper cassette Open the manual feed tray Testing and Connecting Your Printer 6.Close the manual feed tray CAUTION: 2-4Testing and Connecting Your Printer Performing the self test Notes: Adjusting print density 2-6Testing and Connecting Your Printer Page 5.Close the printer cover Performing the font and status print tests The font print test Follow the steps below to perform the font print test: 1.Be sure that your printer is plugged in and the power is on Status print test 2-10Testing and Connecting Your Printer Connecting the Printer to Your Computer •Parallel •RS-232Cserial •RS-422Aserial Choosing an interface Connecting the Printer to Your Computer Connecting the parallel interface cable Follow these steps to connect the parallel interface: 1.Turn off both your printer and computer Connecting the serial interface 3.Use a screwdriver to fasten the screws of the connector, if required Setting the DIP switches for the serial interface 2-14Testing and Connecting Your Printer Page 2-16Testing and Connecting Your Printer Using the Printer The Control Panel Control panel display 3-2Using the Printer Page Indicator lights On when the printer power supply is on paper feed mode Buttons to enter or exit SelecType Press this button to switch from a This button has several functions Printing data in buffer - When the printer no new data is received within five seconds, the 3-6Using the Printer SelecType Overview Interface Submenu SelecType main menu Interface submenu HP emulation submenu The SelecType Control Panel use 3-10Using the Printer The SelecType Control Panel Use of these buttons is described in more detail in the following sections CONTINUE/RESETThis button has several uses related to SelecType After you exit SelecType (with the printer off line), hold down button for three seconds (until the message Using SelecType •Enter SelecType •Display main menu functions •Enter menu options •Set an option Using SelecType Display main menu functions Enter menu options PAPER SIZE = LTR Use the Set an option If you want to return to menu functions without setting a new option, make sure the current option 4.Press the SET button again to set the emulation 6. Use the Note: This submenu does not work in a loop. Pressing the 8. Use the 10.To exit the emulation submenu and return to the main menu To enter the interface submenu from the main menu, follow the steps below: display change 3-16Using the Printer o r To exit Exit SelecType and reset the printer When you Hold down the Initializing SelecType to factory default settings 3-18Using the Printer SelecType practice example Turning off the buzzer SelecType Options Main menu options 3-20Using the Printer SelecType Options 01 through You can change the setting to print between one and 99 copies of each page 01 through This option sets the size of the data buffer in kilobytes 3-22Using the Printer HP emulation submenu options This option selects the printer’s font source. The options are listed below: Internal font Cartridge slot Note: Only available options appear on your display This option sets the form length (the number of lines printed on each page) IBM - ON (Danish/Norwegian) IS02 (International Reference Version) IS04 (United Kingdom) Interface submenu options Page Paper Handling Selecting Paper Standard office paper 4-2Paper Handling Selecting Paper Do not use paper that is sensitive to silicon oil Special paper — Labels Other materials Selecting a Paper Size 4-4Paper Handling Printing Methods Summary Paper delivery method Paper feed method — You can select either automatic or manual paper feed button Paper Delivery Choices 4-6Paper Handling Paper Feed Methods Automatic printing To print automatically, follow the steps listed below Paper Handling 4-8Paper Handling To print on the back of a printed page, load the paper with the printed side To print on EMPTY appears in the display 9.For envelopes and paper weights of 27 to 34 lb. (101 to 4-10Paper Handling If you want 12.Press the ON LINE button to set the printer on line Now your laser printer is ready to print Feeding paper manually 3.Open the manual feed guides wide enough to fit the paper being printed 4-12Paper Handling 6.For envelopes and paper weights of 27 to 34 lb. (101 to 8.Press the ON LINE button to set the printer on line Use your application software to print your document. The message 10.Push the MANUAL button again to print the first page 4-14Paper Handling Printer Modes HP Emulation Using HP emulation mode Unique features •An easy-to-usecontrol panel 5-2Printer Modes HP Emulation Printer menus HP LaserJet series HP LaserJet Plus” HP LaserJet” Page Reset Paper handling 5-6Printer Modes After clearing the error, you have two options: Alternatively, press the Character clipping HP printer commands Hewlett-Packard LaserJet series II Technical Reference Manual 5-8Printer Modes Job control commands Function 5-10Printer Modes Page HP Emulation Cursor positioning 5-12Printer Modes Font selection function 5-14Printer Modes Page FunctionPrinter Command S-16Printer Modes Page Font management Font Selection by ID Number Primary ESC(#X Secondary Soft font creation Graphics 5-20Printer Modes Macros Programming aids Page Maintenance and Transportation Maintenance Each of these procedures is described in detail in this chapter 6-2Maintenance and Transportation Maintenance Messages Toner empty message The TONER EM P T Y message indicates that you need to do the following: •Replace the toner cartridge Replace the cleaning pad, which is packed with your replacement toner cartridge 2.Raise the top cover of your printer by lifting up on the latch very hot, so be careful not to touch it not to touch it procedure light-sensitive Page 6-6Maintenance and Transportation Page Note: Be careful not to get any dust or dirt into the exposed developer unit 6-8Maintenance and Transportation Page 6-10Maintenance and Transportation before the CHANGE DRUM message appears CAUTION: If Change drum message indicates need to do the following: •Replace the drum unit Completing your print job before changing the drum After the CHANGE DRUM message appears, you can print up to 100 pages more before changing the drum, as follows: Print 10 pages at a time by pressing You Changing the drum unit and drum replacement cartridge 6-14Maintenance and Transportation •Do not touch the surface of the green drum Maintenance Messages Note: The charger wire is thin and silver, so it is difficult to see 6-16Maintenance and Transportation Page Store the developer cleaner, which was future Routine cleaning 6-18Maintenance and Transportation Routine Printer Cleaning Cleaning schedule •Transfer charger wire and discharge wire •Paper guide •Basket 2.Locate a cotton swab 6-20Maintenance and Transportation Cleaning the paper guide and basket Printer 4.Replace the drum unit and developer unit in the basket 6-22Maintenance and Transportation Routine Printer Cleaning Cleaning the laser beam lens Note: Follow these steps to clean the laser beam lens: Locate the lens General Printer Maintenance Cleaning These procedures are described below Cleaning the developer unit Locate the developer cleaner WARNINGS: Be careful not to touch the roller on the developer unit 6-26Maintenance and Transportation Page Cleaning the main charger wire 6-28Maintenance and Transportation Opening the printer exposes the fuser Locate the main charger wire, which extends along Avoid dripping alcohol on the drum 6-30Maintenance and Transportation Page Service Overhaul 6-32Maintenance and Transportation Transporting Your Printer CAUTION: Do Packing for transportation Prepare the printer for transportation by following the steps below: 1.Be sure that your printer and computer are turned off 6-34Maintenance and Transportation WARNING: If the printer has been in use recently, the fuser and the cleaning pad may be very hot. Be careful to touch only the green felt handles on the pad when you 6-36Maintenance and Transportation Maintenance and Transportation 6-38 Maintenance and Transportation Page Unpacking the Printer after Shipment 3.Assemble the printer as described in Chapter Follow the instructions on setting the paper feed mechanism in Chapter 1, page 6-40Maintenance and Transportation Troubleshooting Error Messages 7-2Troubleshooting Error Messages 7-4Troubleshooting Note: If you are Change the paper in the cassette; then enter SelecType and change the paper If one of these error messages appears, follow the steps below 1.Press the CONTINUE/RESET button 7-6Troubleshooting Paper Jam Problems Insertion error 1. Remove the paper cassette Page Reinstall the basket by aligning the arrow on the back of 7.Close the cover 9.Press the ON LINE button to resume printing Paper jam error Troubleshooting Page 1.Open the printer 2.Lift out the basket as shown previously in this section 3.Remove the jammed paper Reinstall the basket by aligning the arrow on cover Troubleshooting 7-12 Troubleshooting Power Supply ProblemSolution Power is not being supplied to the printer After turning an the printer, the display remains blank Printing Problems Problem Solution The printer does not print or stops ProblemSolution The test prints do not print The printer must be set off line when running a test print The printout is not what you expected The font selected by Make sure that all of the attributes of the your software cannot requested font match the attributes of an Completely blank pages Run a status print test (as described in are printed Characters belonging to a different symbol set are being printed Some or all of the output is garbled or printed as asterisks Graphic images do not print See Chapter 3 for details The position of the printout is not what you expected The printed page length differs from the actual length of the paper 7-18 Troubleshooting Paper Handling Paper does not feed properly Paper does not feed at all Paper becomes crooked us it feeds into the printer Paper does not feed properly (continued) The paper feeds but then jams at the output area paper 7-20Troubleshooting Paper Handling The display reads Decline in Print Quality The print quality is not what you expected Vertical white bands or lines appear on printed pages 7-22Troubleshooting Page The paper curls You may need to turn over the stack of Printed pages are curled paper in your paper cassette and try Character Samples and Symbol Sets Line printer Symbol Set Tables Character Samples and Symbol Sets A-3 Page Page Page Page Symbol Set Tables IS0 substitution characters A-8Character Samples and Symbol Sets Converting Hexadecimal Values to Decimal Values Hex-to-DecimalConversion Chart Character Samples and Symbol Sets A-9 Page Technical Specifications Printer Specifications Printing B-2Technical Specifications Printer Specifications Paper and paper delivery Paper weight:Cassette feed (plain paper): 16 to 27 lb. (60 to 101 g/m2) Paper weight: P a p e r s i z e : Paper feed alignment and Center alignment for all sizes; lengthwise direction: direction for standard sizes Mechanical Electrical Technical Specifications B-5 Controller hardware Environment Internal mode B-6Technical Specifications Interface Specifications The laser printer has the following resident interfaces: •RS-232C/RS-422Aserial Parallel interface Your printer is equipped with an 8-bitparallel interface OUT •malfunctioning Not defined “Return” denotes the Interface timing The figure below shows the timing for the parallel interface DATA BUSY Signal levels Serial interface Data format Baud rate Signal level Transmission procedures Ready/Busy: XON/XOFF: Technical Specifications B-11 Pin (SD+) (RD+) Technical Specifications B-13 DIP switches B-14Technical Specifications Index Page Page Indicator lights, 3-2, 3-4 Initialization, SelecType, 3-18 Interface choosing Internal fonts IS0 substitution characters, A-8 Main charger wire cleaning, 1-14, 6-28—31print quality problems Manual feed tray, 4-11 Memory Moving the printer, 6-33—39 faceup tray, installing, 1-20—22 face-down, 1-22, 4-5—6selecting P Paper Paper cassette Paper path selector, 1-22, 4-6 Parallel interface Print quality, decline in, 7-22—23 RAM. See Memory Resetting printer, 3-5, 3-17, 5-5—6 button, 3-4, 3-10 entering, 3-12—13exiting, 3-17 factory settings parallel interface, B-7—10printing, B-2 Index-7 Page Page Page SelecType Main Menu Page Page Page Actionlaser Key Features: