Brother Hl-5240 Manual Pdf PDF Download

Brother Hl-5240 Manual Pdf PDF Download

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Brother Hl-5240 Manual Pdf PDF DownloadYou can find a printed copy in the box. Keep the CD-ROM in a convenient place so you You can also read the User's Guide in HTML format by visiting our web site at Please visit us at where you can get product support, the latest driver updates and utilities, and answers to frequently asked questions (FAQs) and technical questions. Cautions specify procedures you must follow or avoid to prevent possible damage to the printer or other objects. Improper Setup icons alert you to devices and operations that are not compatible with the printer. Doing this might cause an electrical shock. After you have just used the printer, some internal parts of the printer will be extremely hot. When you open the front or back cover of the printer, DO NOT touch the shaded parts shown in the illustration. DO NOT use flammable substances near the printer. Doing this might cause a fire or electrical shock.The contents of this manual and the specifications of this product are subject to change without notice. When you unpack the printer, make sure that you have all of the following parts. CD-ROM Quick Setup Guide Interface cable An interface cable is not a standard accessory. Buy the proper interface cable for the interface you want to use (USB, parallel or network). Put the printer near an AC power outlet, so that it can be easily unplugged from the AC power outlet if there is an emergency. The names for the paper trays in the printer driver and this guide are as follows: Paper tray Multi-purpose tray. Note If you use paper that is not recommended, a paper jam or misfeed may occur in the printer. To help you choose which paper to use with this printer, see Important information for choosing your paper on page 105. Before you print a lot of envelopes, test one to make sure that the print results are what you want. Note When using BR-Script emulation, the edges of the paper that cannot be printed on are 4.32 mm (0.17 in.). Portrait Letter Legal.http://xn--80aesyq.xn--p1ai/files/commercial-insurance-procedure-manual.xml

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While pressing the blue paper-guide release lever, slide the paper guides to fit the paper size. Make sure that the guides are firmly in the slots. For legal size paper pull out the back of the paper tray. Make sure that it is completely inserted into the printer. Lift up the support flap to prevent paper from sliding off the face-down output tray, or remove each page as soon as it comes out of the printer. For the proper paper to use, see About paper on page 5. Choose the following from the printer driver: Paper Size. (1) Media Type. (2) Paper Source. Pull out the MP tray support flap (1). Lift up the support flap to prevent paper from sliding off the face-down output tray, or remove each page as soon as it comes out of the printer. 2. Printing Methods. Send the print data to the printer.For more information on the envelope size, see Paper size on page A-8. Pull out the MP tray support flap (1). Lift up the support flap to prevent paper from sliding off the face-down output tray, or remove each page as soon as it comes out of the printer. 2. Printing Methods. While pressing the paper-guide release lever, slide the paper guide to fit the paper size. Send the print data to the printer. Stacking the sheets or envelopes may cause the paper to jam or curl. Put a new DL size double-flap envelope in the MP tray with the longest edge of the envelope in first, then print again. Do not use bond paper. Manual duplex printing from the paper tray In the printer driver choose the Advanced tab, then choose the Manual Duplex printing mode, and from the Basic tab choose the Paper Source to be Tray1. Next, put the printed pages in the tray, with the printed side face up. If you print 10 pages on 5 sheets of paper, it will print page 2 and then page 1 on the first sheet of paper. It will print page 4 and then page 3 on the second sheet of paper. It will print page 6 and then page 5 on the third sheet of paper, and so on.http://albatrossmrn.com/konadnew/userfiles/commercial-ice-machine-service-manual.xml Booklet printing (For Windows printer driver) Put paper in the paper tray or MP tray. Open the Properties dialog box in the printer driver. From the General tab, choose the Printing Preferences icon. Typically, this format is page description language (PDL). The printer drivers for the following version of Windows the Brother Solutions Center at Print Setting You can manually change the print setting. While the printer is in sleep mode, all the LEDs are off, but the printer can still receive data. Receiving a print file or document or pressing Go will automatically wake up the printer to start printing. The page protection feature allows the printer to create the full-page image to be printed in memory before physically moving the paper through the printer. Use this function when the image is complicated and the printer has to wait to process the image before printing. When you click Auto Detect, options that are installed on the printer will be listed. You can manually add or remove options. Web Update (2) You can check the Brother web site for updated drivers, and automatically download and update the printer driver on your PC. Brother Solutions Center (3) The Brother Solutions Center ( ) is a web site offering information about your Brother product including FAQs (Frequently Asked Questions), User’s Guides, driver updates and tips for. Note The screens in this section are based on HL-5250DN with Windows The screens on your PC may vary depending on the printer model and your operating system. Device Settings tab Choose the options you have installed. Layout tab You can change the layout setting by choosing the settings for Orientation, Print on Both Sides (Duplex), Page Order and Pages Per Sheet. Set the Scaling and TrueType Font settings (2). You can change settings by choosing the setting in the Printer Features list (3): Print Quality Media Type Toner Save You can save running costs by turning on the Toner Save, which reduces the print density.http://www.liga.org.ua/content/dewalt-table-saw-manual In sleep mode, the printer acts as though it were turned off. The default timeout is 5 minutes. While the printer is in sleep mode, all the LEDs are off, but the printer can still receive data. Using this mode will allow your printer to run at its best with those applications. This lets it automatically change the interface to IEEE 1284 parallel, USB, or Ethernet depending on which interface is receiving data. When you use the parallel interface, you can turn the high-speed and bi-directional parallel communications on or off by using Remote Printer Console. Note When the power switch is off or the printer is in sleep mode, all the LEDs are off. LED is off. LED is on. Pressing Go wakes up the printer from sleep mode to ready mode. Ready to print The printer is ready to print. If the yellow Status LED is on for a long time and nothing has printed, press Go to print the remaining data in memory. See Paper jams and how to clear them on page 84. If the printer does not start printing, press Go. Leave the printer for 10 minutes with the power on. If the error occurs again, call your dealer or Brother authorized service representative. Make a note of the indication and report the error status to your dealer or a Brother authorized service representative by referring to the above table. Error recovery If there is an error, the printer will recover automatically from some errors. If an error is not automatically cleared, press Go to clear the error, and then continue to use the printer. Using control panel button Turn off the printer. Make sure that the front cover is closed and the power cord is plugged in. Turn on the printer and wait until the printer is in the ready state. Press Go three times within 2 seconds. The printer will print the current printer settings page. Using the printer driver If you are using Brother’s Windows. Using the control panel button Turn off the printer. Make sure that the front cover is closed and the power cord is plugged in.http://ferienwohnung-dorsten.com/images/canon-a630-manual.pdf Make sure that the front cover is closed and the power cord is plugged in. When both optional trays are installed, the printer can hold up to 800 sheets of plain paper. If you want to buy an optional lower tray unit, call the dealer you bought the printer from. You can expand the memory up to 528 MB by installing dual in-line memory modules (DIMMs). For HL-5250DN The HL-5250DN printer has 32 MB of standard memory and one slot for optional memory expansion. You can expand the memory up to 544 MB by installing dual in-line memory modules (DIMMs). CAUTION To prevent damage to the printer from static electricity, DO NOT touch the memory chips or the board surface. Hold the DIMM by the edges and align the notches in the DIMM with the protrusions in the slot. Reconnect the interface cable to your printer. Plug the printer back in, and then turn on the power switch. Note To make sure that you have installed the DIMM properly, you can print the printer settings page that shows the current memory size. When you open the front cover or back cover of the printer, DO NOT touch the shaded parts shown in the illustration. If the LED shows this message, the printer has nearly run out of toner. Buy a new toner cartridge and have it ready before you get a Toner Life End message. To replace the toner cartridge, see Replacing the toner cartridge on page 63. See Cleaning on page 73. CAUTION DO NOT put a toner cartridge into a fire. It could explode, resulting in injuries. Handle the toner cartridge carefully. If toner scatters on your hands or clothes, wipe or wash it off with cold water at once. Brother cannot guarantee this optimum performance if toner or toner cartridges of other specifications are used. Brother does not therefore recommend the use of cartridges other than genuine Brother branded cartridges with this machine. Put the new toner cartridge firmly into the drum unit until you hear it lock into place. If you put it in properly, the lock lever will lift automatically.https://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1634f9ab3f3732---dance-music-manual-epub.pdf CAUTION Make sure that you put in the toner cartridge properly or it may separate from the drum unit. Clean the primary corona wire inside the drum unit by gently sliding the blue tab from right to left and left to right several times. Close the front cover. The printer should be used only in a clean, dust- free environment with adequate ventilation. Press the front cover release button and then open the front cover. To prevent damage to the printer from static electricity, DO NOT touch the electrodes shown in the illustration. CAUTION Wait to unpack a drum unit until immediately before you put it in the printer. Exposure to direct sunlight or room light may damage the drum unit. Put the toner cartridge firmly into the new drum unit until you hear it lock into place. If you put the cartridge in properly, the blue lock lever will lift automatically. The actual number of printed pages will vary depending on the print jobs and paper you use. Approximate Life To Buy Replacement Call Brother Customer Service 100,000 pages Call Brother Customer Service. When you replace the toner cartridge or the drum unit, make sure that you clean the inside of the printer. If printed pages are stained with toner, clean the inside of the printer with a dry, lint-free cloth. Remove anything that is stuck inside the paper tray. Wipe the inside of the paper tray with a dry, lint-free cloth to remove dust. Put the paper tray back in the printer. HOT SURFACE After you have just used the printer, some internal parts of the printer will be extremely hot. Wait for the printer to cool down before you touch the internal parts of the printer. Wipe the scanner window with a dry, lint-free cloth. Put the drum unit and toner cartridge assembly back in the printer. Close the front cover. To prevent damage to the printer from static electricity, DO NOT touch the electrodes shown in the illustration. If you do not, printed pages may have a vertical stripe.cgalgeria-dubai.com/userfiles/files/Direct-Tv-Remote-Manual.pdf Put the drum unit and toner cartridge assembly back in the printer. Close the front cover. 6. Routine Maintenance. If you need additional help, the Brother Solutions Center offers the latest FAQs and troubleshooting tips. Visit us at Identifying your problem First, check the following: The AC power cord is connected properly and the printer is turned on. Take the proper action by referring to the following table. The default setting for the Status Monitor is off. If you want to turn the status monitor on, you can change the setting of the Status Monitor in Device Options from the Advanced tab. Memory Full Press Go to print the remaining data in the printer memory. Cancel the print job if you want to delete the remaining data in the printer memory. See Control panel buttons on page 51. Use the table below to identify and clear the error message. Error message Action MEMORY FULL PRINT OVERRUN RESOLUTION REDUCED TO ENABLE PRINTING (The printer has printed the. See About paper on page 5. Problem Recommendation The printer does not feed paper. The printer does not feed paper from the MP tray. When you open the front cover or back cover of the printer, DO NOT touch the shaded parts shown in the illustrations. The jammed paper will be pulled out with the drum unit and toner cartridge assembly. CAUTION To prevent damage to the printer caused by static electricity, DO NOT touch the electrodes shown in the illustration. 7. Troubleshooting. Close the front cover. Pull the jammed paper up and out of the printer. Open the front cover again. 7. Troubleshooting. Pull the tabs at the left and right hand sides toward you to open the fuser cover (1). Using both hands, gently pull the jammed paper out of the fuser unit. 7. Troubleshooting. Pull the duplex tray completely out of the printer. Pull the the jammed paper out of the printer or the duplex tray. Put the duplex tray back in the printer. 7. Troubleshooting. Clear the jammed paper if there is any inside the drum unit.https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1634f9ad64a855---dance-music-manual-pdf.pdf CAUTION Handle the toner cartridge carefully. If toner scatters on your hands or clothes, wipe or wash it off with cold water at once. Put the paper tray firmly back in the printer. Close the front cover. Make sure that the Paper LED is now off and the printer is ready. 7. Troubleshooting. If the printout looks good, the problem is probably not the printer. Check the interface cable or try the printer on another PC. White lines across the page Clean the inside of the printer and the primary corona wire in the drum unit. See Cleaning on page 73. ABCDEFGH The drum unit may be damaged. Put in a new drum unit. See Replacing the drum abcdefghijk unit on page 68. Clean the drum unit as follows: 94 mm (3.7 in.) 94 mm (3.7 in.) Black lines down the page The fuser unit may be smudged. Call your dealer or Brother Customer Service. Printed pages have toner stains down the page. Make sure that the paper or other print media is loaded properly in the paper tray and that the guides are not too tight or too loose against the paper stack. Press against the “1” on the blue levers on either side of the printer as shown below. As the top of the lever rotates backward, lift the bottom portion of the lever from below until it stops. ABCDEFGH abcdefghijk A B C D a b c d e 0 1 2 3 4 Poor Fixing 7. We recommend that you use a parallel or USB cable that is no longer than 2 meters (6.5 feet). Other problems Problem Recommendation The printer cannot print.CAUTION Not following the instructions for using the printer may cause you to be responsible for all repairs. Recommendation Add optional memory. See Installing extra memory on page 58.HL-5240 HL-5250DN Electrophotographic Up to 30 ppm (Letter size), Up to 28 ppm (A4 size) Less than 8.5 sec. Server based management utility. Download from Printer and print server management through Web browser. Code39, Interleaved 2 of 5, EAN-8, EAN-13, UPC-A, UPC-E, EAN-128, Codabar, FIM (US-PostNet), ISBN, Code128. Control panel Model.https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1634f9aea270bd---dance-music-manual-ebook-download.pdf We recommend that you use long grain paper for this printer. Short grain paper is too weak for the paper carriage of the printer. Usually, the opening side of the ream of the paper package is the print side. Follow the indications on the paper package. How to use the web browser To use the web browser, follow the steps below. Print bar codes or expanded characters Code ESC i 27 105 1B 69 Format: ESC i n.Human readable characters are always printed with OCR-B font of 10 pitch and all the current character style enhancements are masked.If the check digit is not correct, the printer decides the correct check digit automatically so that the correct bar code data will be printed.Box drawing ESC i. You can download the latest drivers, software and utilities, read FAQs and troubleshooting tips to learn how to get the most from your Brother product. The label shown below is attached in countries where it is needed. This printer has a Class 3B laser diode which produces invisible laser radiation in the laser unit. You should not open the laser unit under any circumstances. If you are not sure, contact a qualified electrician. Disconnect device You must install this printer near a power outlet that is easily accessible. In case of an emergency, you must disconnect the power cord from the power outlet to shut off the power completely. You can download the latest software and utilities and read FAQs and troubleshooting tips to learn how to get the most from your Brother product. Changes or modifications not expressly approved by Brother Industries, Ltd.If you are not sure, contact a qualified electrician. Disconnect device You must install this printer near a power outlet that is easily accessible. In case of an emergency, you must disconnect the AC power cord from the AC power outlet to shut off the power completely. Keep this manual in a convenient place for quick and easy reference at all times. September 2005 SM-PRN057 (17) Confidential.asian-autoparts.com/ckfinder/userfiles/files/Direct-Tv-Remote-Manual-Rc66X.pdf The contents of this manual and the specifications of this product are subject to change without notice. Brother reserves the right to make changes without notice in the specifications and materials contained herein. This information is vital to the service technician to maintain the high printing quality and performance of the printer. This manual consists of the following chapters: CHAPTER 1: GENERAL Features, specifications, etc. The label for Chinese manufactured products MANUFACTURED: Brother Corporation (Asia) Ltd. Brother Buji Nan Ling Factory Gold Garden Ind., Nan Ling Village, Buji, Rong Gang, Shenzhen, CHINA. The label shown below is attached in countries where it is required. This printer has a laser diode which emits invisible laser radiation in the Laser Unit. The Laser Unit should not be opened without disconnecting the two connectors connected with the AC power supply and laser unit. CAUTION: In case of any trouble with the laser unit, replace the laser unit itself. To prevent direct exposure to the laser beam, do not try to open the enclosure of the laser unit. CAUTION: Indicates cautions that must be observed to service the printer properly or prevent damage to the printer. High Resolution and Fast Print Speed True 600 x 600 dots, true 300 x 300 dots per inch (dpi), HQ1200 and 1200 x 1200 dpi for graphics with microfine toner and up to 28 pages per minute (ppm) print speed for printing on A4 size paper, and up to 30 pages per minute (ppm) print speed for Letter- size paper. Choosing a menu Setting number of reprints. The feedable media type and size are different depending on the paper tray installed. Portrait Physical page Printable area Logical page Physical page length Maximum logical page length Distance from edge of physical page to. DESCRIPTIONS The descriptions below show how to understand the meanings of the numbers printed on the labels or bag of the printer and printer parts. January February March April. Pinch roller Feed roller TR. When the paper tray (Tray1 cassette) is installed into the printer, the lift gear 46 is rotated, and the motor drive is transmitted to the plate ASSY so that it is pushed up. The developer consists of a non-magnetic toner. The developer roller is made of conductive rubber and the supply roller (which is also made of conductive sponge) rotate against each other. The thermistor keeps the surface temperature of the heat roller constant by detecting the surface temperature of the heat roller and turning on or off the halogen heater lamp. When the separation roller is driven, therefore, the feed roller is also driven. At this time, the recording paper is drawn out of the MP tray by rotation of the feed roller contacted with the recording paper. The toner used for the printer has a property that print density is light first and gradually darker in the course of usage. The charge is generated by ionization of the corona wire, which has a DC bias from the high-voltage power supply applied to it. The flow of the ion charge is controlled by the grid to ensure it is distributed evenly on the drum surface. The area exposed to the laser beam is the image to be printed. The surface potential of the exposed area is reduced, forming the electrostatic image to be printed. Buy a new toner cartridge and have it ready before you get a “Toner Life End”. If toner scatters on your hands or clothes, wipe or wash it off with cold water at once. We also strongly recommend that you continue to use only genuine Brother brand replacement toner cartridges. The printer should be used only in a clean, dust-free environment with adequate ventilation. Press the front cover release button and then open the front cover. If toner scatters on your hands or clothes, wipe or wash it off with cold water at once. If you put the cartridge in properly, the blue locklever will lift automatically. Fig. 3-17 CAUTION: Make sure that you put in the toner cartridge properly, or it may separate from the drum unit. These parts would affect the product quality greatly if they lost their function even if they do not appear to be damaged or there is no change in their appearance. The periodical replacement parts listed below should be replaced at the service center referring to the service life. Printer AC cord Fig. 3-19 (2) Press the front cover release button. Front cover. Back cover Fig. 3-23 (12) Hold the Knobs on the Outer chute ASSY and pull down this to your side. Taptite, bind B M4x12 Hook Side cover L. Taptite, bind B M4x12 Hook Shield cover R Hook Taptite, bind B M4x12. Heater terminal L Fuser unit Heater terminal S Fig. 3-31 (24) Pull the FU harness cover 2 to the direction of 24a while pressing the Hook and pull out the FU harness cover 2 from the back of the printer. Thermistor ASSY M Fuser unit Thermistor ASSY S Relay rear PCB ASSY Fig. Air duct Filter Hooks Sub duct Fig. 3-35 (28) Remove the Filter from the Air duct. Slide the Air duct to the direction of 29b and remove the Air duct. Laser unit Hook Hook Air duct Fig. 3-37 3-22 Confidential. NOTE: After disconnecting flat cable(s), check that each cable is not damaged at its end or short-circuited. (32) Remove the Protective film. Air duct Filter Fig. 3-41 (6) Install the Sub duct into the Air duct. Air duct Filter Hooks Sub duct Fig. 3-42 3-25 Confidential. CAUTION: To prevent the deformation of the pressure roller, the fuser unit spare part is shipped with its pressure roller at low nip pressure. Taptite, bind B M4x16 Fuser unit Fig. 3-43 (8) Connect the connectors of the Thermistor ASSY M and Thermistor ASSY S onto the relay rear PCB ASSY. Taptite, bind B M4x16 FU harness cover 1 Hooks Fig. 3-47 (12) Secure the Top cover printed ASSY with the two bind B M4x12 Taptite screws. Top cover printed ASSY Panel PCB Connector Main PCB Fig. 3-49 (14) Catch the Hooks in the order of the arrows and secure the Side cover R with the two bind B M4x12 Taptite screws. Taptite, cup S M3x6 SR Shield cover FG harness Taptite, cup S M3x6 SR Fig. 3-51 (16) Catch the Hooks in the order of the arrows and secure the Side cover L with the two bind B M4x12 Taptite screws. Outer chute ASSY Fig. 3-53 (18) Catch the Arm of the Back cover onto the Pin of the machine body and install the Back cover. Paper tray Fig. 3-57 (23) Connect the AC cord into the Printer. Printer AC cord Fig. 3-58 3-34 Confidential. Printer AC cord Fig. 3-59 (2) Press the front cover release button. (3) Open the Front cover. Front cover. NOTE: When assembling the roller holder ASSY, align the section “A” on the shaft of the roller holder ASSY with the hole on the paper feed frame. Printer AC cord Fig. 3-72 3-42 Confidential. Printer AC cord Fig. 3-73 (2) Press the front cover release button. (3) Open the Front cover. MP feed frame MP feed frame cover Front cover Fig. 3-75 (6) Remove the Holder bearing MP. Holder bearing MP Hook MP feed frame Fig. 3-76 3-44 Confidential. Separation pad ASSY MP MP feed frame MP frame. Holder bearing MP Hook MP feed frame Fig. 3-81 (4) Close the MP feed frame cover. Printer AC cord Fig. 3-84 3-48 Confidential. When you replace the toner cartridge or the drum unit, make sure you clean the inside of the printer. If printed pages are stained with toner, clean the inside of the printer with a dry soft cloth. Wait for the printer to cool down before you touch the internal parts of the printer.If you have print quality problems, clean the corona wire as follows: (1) Press the front cover release button and then open the front cover. NOTE: The following troubleshooting sections contain both the actions which users should take or check and the ones which service technicians should perform. Identify the error from the table below and take the corrective action described for each indication to correct it. Front cover is open Close the front cover of the printer. Fuser cover is open Close the back cover of the printer. Dust on drum The corona wire needs to be cleaned. The printer automatically recovers from most errors. If not, the error is cleared by holding down the Go button on the control panel. If the error was not cleared when you put paper in the tray, match the size of paper that you selected in the NO PAPER application with the TRAY SIZE or set the TRAY SIZE to ANY using the control panel. Type of service call Type of service call. If the error is not cleared and the same service call appears, identify the error from the table on the next page and take the corrective action described for each indication to correct it. Wait a few seconds, then turn INTERRUPT it on again. If still remains, replace the main PCB. ERROR S12 SOFTWARE1 Turn off the printer. Wait a few seconds, then turn INTERRUPT it on again. Cancel the print job if you want to delete the data remaining in the printer. Take the corrective actions for the error message. Cancel the print job if you want to delete the data remaining in the printer. Clear the jammed paper if there is any inside the drum unit. (14) Put the toner cartridge back into the drum unit until you hear it lock into place. If you put the cartridge in properly, the blue lock lever will lift automatically. While pressing the blue paper-guide release lever, slide the paper guides to fit the paper size. Make sure that the guides are firmly in the slots. The jammed paper will be pulled out with the drum unit and toner cartridge ASSY. If toner scatters on your hands or clothes, wipe or wash it off with cold water at once. When you open the front cover or back cover of the printer, DO NOT touch the shaded parts shown in the illustrations. Even if the same problem occurs again, follow the procedures in the table below. Both high temperature and humidity will cause paper to curl. (2) If the printer is used infrequently, the paper may have sat for too long in the paper tray. Turn over the stack of paper in the paper tray. User Check (1) Check that the printer cable is not damaged or broken. Check also that the cable is connected to the correct interface connectors of both the printer and PC. Double-click the file “Deins USB.exe” in the USB directory of the CD-ROM.High-voltage Check the connections of the Replace the high-voltage power supply connector between the high-. Remove the cause of non- not move smooth operation of the link Isn't the link lever bent? smoothly. Even if the same image defect appears, the following procedures should be followed in the event of specific image defects. High temperature and high humidity conditions can increase the amount of background shading. (3) Clean the corona wire with the wire cleaner. (4) Try installing a new toner cartridge or drum unit. Drum unit Are the drum shaft and drum. Install a new drum unit. Ground Possible cause Step Check Result Remedy contacts Corona failure Is the corona wire dirty. Clean the corona wire with the wire cleaner. Install a new drum unit. (2) Check the paper used meets the recommended paper specifications. (3) Clean inside of the printer and the corona wire in the drum unit. Install a new toner cartridge. (3) Check the printer’s environment. High temperature and high humidity conditions can cause this problem. Nip release Does the position of the nip Return the nip release levers to lever release levers in the fuser unit the original position. Refer to Step 1 in the table below and NOTE in the next page. Refer to Step 1 in the table below and NOTE in the previous page. Corona dirty Is the corona wire dirty? 1) Clean the corona wire. A rough surfaced paper may cause the problem. (2) The toner cartridge may be damaged. Install a new toner cartridge. (3) The drum unit may be damaged, or may be nearly at the end of life. Install a new drum unit. User Check (1) Check if the printer cable is not too long. User Check (1) Press the Go button on the control panel to print the data remaining in the printer.