Brother MFC 8880DN User Manual
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140 Cleaning the laser scanner windowC WARNING Use neutral detergents. DO NOT use any flammable substances, spray or organic solvent/liquids containing alcohol/ammonia to clean the inside or outside of the machine. Doing this may cause a fire or electrical shock. For more information see Important safety instructions on page 103. IMPORTANT DO NOT touch the laser scanner window with your fingers. aBefore you clean the inside of the machine, turn off the machine. Unplug the telephone line cord first, and then unplug the power cord from the electrical socket. bOpen the front cover and slowly take out the drum unit and toner cartridge assembly. CAUTION HOT SURFACE After you have just used the machine, some internal parts of the machine will be extremely hot. To prevent injury, when you open the front or back cover (back output tray) of the machine DO NOT touch the shaded parts shown in the illustration. If you do this you may get burned. IMPORTANT • To prevent damage to the machine caused by static electricity, DO NOT touch the electrodes shown in the illustration. • We recommend that you place the drum unit on a clean, flat surface with a sheet of disposable paper or cloth underneath it in case you accidentally spill or scatter toner.
Troubleshooting and routine maintenance 141 C cWipe the laser scanner window (1) by wiping it with a dry lint-free soft cloth. dPut the drum unit and toner cartridge assembly back in the machine. eClose the front cover. fPlug the machine’s power cord back into the electrical socket first, and then plug in the telephone line cord.Turn on the machine. Cleaning the corona wireC If you have print quality problems, clean the corona wire as follows: aTurn off the machine. Unplug the telephone line cord first, disconnect all cables, and then unplug the power cord from the electrical socket. bOpen the front cover and slowly take out the drum unit and toner cartridge assembly. IMPORTANT • We recommend that you place the drum unit and toner cartridge assembly on a clean, flat surface with a sheet of disposable paper or cloth underneath it in case you accidentally spill or scatter toner. • Handle the toner cartridge carefully. If toner scatters on your hands or clothes, wipe or wash it off with cold water at once. • To prevent damage to the machine caused by static electricity, DO NOT touch the electrodes shown in the illustration. 1
142 cClean the corona wire inside the drum unit by gently sliding the blue tab from right to left and left to right several times. Note Be sure to return the blue tab to the home position (a) (1). If you do not, printed pages may have a vertical stripe. dPut the drum unit and toner cartridge assembly back in the machine. eClose the front cover. fPlug the machine’s power cord back into the electrical socket first, and then reconnect all cables and telephone line cord. Turn on the machine. IMPORTANT To avoid print quality problems, DO NOT touch the shaded parts shown in the illustrations below. 1
Troubleshooting and routine maintenance 143 C Cleaning the drum unitC If you have print quality problems, clean the drum unit as follows. aTurn off the machine. Unplug the telephone line cord first, and then unplug the power cord from the electrical socket. bOpen the front cover and slowly take out the drum unit and toner cartridge assembly. IMPORTANT • We recommend that you put the drum unit and toner cartridge assembly on a clean, flat surface with a sheet of disposable paper or cloth underneath it in case you accidentally spill or scatter toner. • To prevent damage to the machine caused by static electricity, DO NOT touch the electrodes shown in the illustration. cPush down the blue lock lever and take the toner cartridge out of the drum unit. IMPORTANT • Handle the toner cartridge carefully. If toner scatters on your hands or clothes, wipe or wash it off with cold water at once. • To avoid print quality problems, DO NOT touch the shaded parts shown in the illustrations below. dPut the print sample in front of the drum unit, and find the exact position of the poor print.
144 eTurn the drum unit gear by hand while looking at the surface of the OPC drum (1). fWhen you have found the mark on the drum that matches the print sample, wipe the surface of the OPC drum with a dry cotton swab until the dust or glue on the surface comes off. IMPORTANT • The drum is photosensitive so DO NOT touch it with your fingers. • DO NOT clean the surface of the photosensitive drum with a sharp object. • DO NOT use excessive force when cleaning the drum unit. gPut the toner cartridge back into the drum unit until you hear it lock into place. If you put the cartridge in correctly, the blue lock lever will lift automatically. hPut the drum unit and toner cartridge assembly back in the machine. iClose the front cover. jPlug the machine’s power cord back into the electrical socket first, and then reconnect all cables and telephone line cord. Turn on the machine. 1
Troubleshooting and routine maintenance 145 C Replacing the consumable itemsC You will need to replace the consumable items when the machine indicates that the life of the consumable is over. IMPORTANT • We recommend placing used consumable items on a sheet of paper to prevent accidentally spilling or scattering the material inside. • Be sure to reseal the consumable items tightly so that the material inside does not spill. Note • Discard used consumable items according to local regulations. (See EU Directive 2002/96/EC and EN50419 on page 105.) If you choose not to return your used consumable, please discard the used consumable according to local regulations, keeping it separate from domestic waste. If you have questions, call your local waste disposal office. • If you use paper that is not a direct equivalent for the recommended paper, the life of consumable items and machine parts may be reduced. Toner cartridgeDrum unit Order No. TN-3230, TN-3280 Order No. DR-3200
146 Replacing a toner cartridgeC The High Yield toner cartridges can print approximately 8,000 pages 1 and the Standard toner cartridges can print approximately 3,000 pages 1. Actual page count will vary depending on your average type of document (i.e., standard letter, detailed graphics). When a toner cartridge is running low, the LCD shows Toner Low. 1Approx. cartridge yield is declared in accordance with ISO/IEC 19752. Note It is a good idea to keep a new toner cartridge ready for use when you see the Toner Low warning. CAUTION HOT SURFACE After you have just used the machine, some internal parts of the machine will be extremely hot. To prevent injury, when you open the front or back cover (back output tray) of the machine DO NOT touch the shaded parts shown in the illustration. If you do this you may get burned. aPress the front cover release button and open the front cover. bSlowly take out the drum unit and toner cartridge assembly. IMPORTANT • We recommend that you put the drum unit and toner cartridge assembly on a clean, flat surface with a sheet of disposable paper or cloth underneath it in case you accidentally spill or scatter toner. • To prevent damage to the machine caused by static electricity, DO NOT touch the electrodes shown in the illustration.
Troubleshooting and routine maintenance 147 C cPush down the blue lock lever and take the used toner cartridge out of the drum unit. WARNING DO NOT put a toner cartridge into a fire. It could explode, resulting in injuries. IMPORTANT • Handle the toner cartridge carefully. If toner scatters on your hands or clothes, wipe or wash it off with cold water at once. • To avoid print quality problems, DO NOT touch the shaded parts shown in the illustrations. • Brother machines are designed to work with toner of a particular specification and will work to a level of optimum performance when used with genuine Brother toner cartridges (TN-3230/TN- 3280). Brother cannot guarantee this optimum performance if toner or toner cartridge of other specifications are used. Brother does not therefore recommend the use of cartridge other than genuine Brother cartridges with this machine, or the refilling of used cartridge with toner from other sources. If damage is caused to the drum unit or other part of this machine as a result of the use of toner or toner cartridge other than genuine Brother products due to the incompatibility or lack of suitability of those products with this machine, any repairs required as a result may not be covered by the warranty. • Unpack the toner cartridge just before you put it in the machine. If a toner cartridge is left unpacked for a long time, the toner life will be shortened. • Be sure to seal up the used toner cartridge tightly in a suitable bag so that toner powder does not spill out of the cartridge.
148 dUnpack the new toner cartridge. Gently shake from side to side several times to distribute the toner evenly inside the cartridge. ePull off the protective cover. fPut the new toner cartridge firmly into the drum unit until you hear it lock into place. If you put it in correctly, the lock lever will lift automatically. Note Make sure that you put in the toner cartridge correctly or it may separate from the drum unit. gClean the corona wire of the drum unit by gently sliding the blue tab from right to left and left to right several times. Note Be sure to return the blue tab to the home position (a) (1). If you do not, printed pages may have a vertical stripe. hPut the drum unit and toner cartridge assembly back in the machine. iClose the front cover. Note DO NOT turn off the machine or open the front cover until the LCD returns to the standby state. 1
Troubleshooting and routine maintenance 149 C Replacing the drum unitC The machine uses a drum unit to create print images on paper. If the LCD shows Replace Parts Drum, the drum unit is near the end of its life and it is time to buy a new one. Even if the LCD shows Replace Parts Drum, you may be able to continue printing without having to replace the drum unit for a while. However, if there is a noticeable deterioration in the output print quality (even before Replace Parts Drum appears), then the drum unit should be replaced. You should clean the machine when you replace the drum unit. (See Cleaning the laser scanner window on page 140.) IMPORTANT While removing the drum unit, handle it carefully because it may contain toner. If toner scatters on your hands or clothes, wipe or wash it off with cold water at once. Note The drum unit is a consumable item, and it is necessary to replace it periodically. There are many factors that determine the actual drum life, such as temperature, humidity, type of paper and how much toner you use for the number of pages per print job. The estimated drum life is approximately 25,000 pages 1. The actual number of pages your drum will print may be significantly less than this estimate. Because we have no control over the many factors that determine the actual drum life, we cannot guarantee a minimum number of pages that will be printed by your drum. 1Drum yield is approximate, and may vary by type of use. CAUTION HOT SURFACE After you have just used the machine, some internal parts of the machine will be extremely hot. To prevent injury, when you open the front or back cover (back output tray) of the machine DO NOT touch the shaded parts shown in the illustration. If you do this you may get burned. aPress the front cover release button and open the front cover. bSlowly take out the drum unit and toner cartridge assembly.