Sharp Mx 3501 N Manual
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56 CLEANING THE LASER UNIT When the laser unit inside the machine becomes dirty, line-like color irregularities (colored lines) may appear in the print image. When the following conditions appear, clean the laser unit. Identifying lines (colored lines) caused by a dirty laser unit Colored lines always appear in the same place. (The lines are never black.) The colored lines are parallel to the direction of paper feeding. Colored lines appear not only when the copy function is used but also when the printer function is used. (The problem appears during both printing and copying.) 1 Open the front cover. 2 Take out the cleaning tool for the laser unit. The cleaning tool is attached to the front cover. 3 Release the waste toner box. Press the waste toner box release button. The waste toner box will fall forward as shown. Gently support the box with your hands as you let it fall forward as far as it will go.
57 4 Make sure that the cleaner at the tip of the cleaning tool is not dirty. If the cleaner is dirty, remove the cleaner and replace it with a clean one. For the procedure for replacing the cleaner, see steps 5 through 7. If the cleaner is not dirty, go to step 8. 5 Pull the replacement cleaner out of the waste toner box. The replacement cleaner is stored at the top of the waste toner box. Grasp the end of the cleaner and pull it out of the waste toner box. 6 Remove the dirty cleaner from the tip of the cleaning tool. (1) Firmly grasp the tool close to where the cleaner is attached. (2) Use your other hand to press down on the hook that secures the cleaner and remove the cleaner. Do not return the removed cleaner to the top of the waste toner box. 7 Attach the new cleaner to the cleaning tool. (1) Align the cleaner hook with the attachment hole in the cleaning tool. (2) Hold the cleaner firmly and push the cleaning tool in. Cleaner
58 8 Clean the laser unit. (1) Point the cleaner down and slowly insert the tool into the hole that you wish to clean. Be sure to point the cleaner down. (2) Insert the cleaning tool all the way into the hole and then pull it back out. Pull the cleaning tool out until you feel the tip of the tool leave the cleaning surface of the laser unit. (3) Repeat step (2) two or three times and then remove the cleaning tool. 9 Repeat step 8 to clean all holes in the laser unit (4 holes). There are a total of 4 holes to be cleaned in the laser unit, including the hole cleaned in step 8. Clean all holes. 10 Push the waste toner box into the machine. Push the waste toner box firmly in until it clicks into place. Holes
59 11 Replace the cleaning tool. (1) Point the cleaner up and hook the end of the tool (the end without the cleaner) onto the holder on the right. (2) Align the holder with the hole in the center of the cleaning tool and slowly press down from above. (3) Fit the holder into the hole in the tip (the end with the cleaner) of the cleaning tool. 12 Close the front cover.
60 REPLACING THE TONER CARTRIDGES When toner runs lower than 25%, ( ) appears in the display. When toner runs even lower, ( Toner supply is low.) appears. It is recommended that you keep a set of new toner cartridges so that you can replace them quickly when toner runs out. 1 Open the front cover. Locations of color toner cartridges (A): Yellow (B): Magenta (C): Cyan (D): Black Ready to scan for copy. ( Toner supply is low.) Change the toner cartridge. ( ) Ready to scan for copy. ( ) Colors that are running low or have run out of toner are indicated in ( ). :Yellow : Magenta : Cyan : Black Replace the toner cartridges of the indicated colors. YMCBk If you continue to use the toner cartridge, the toner will eventually run out, the machine will stop and the following message will appear. When toner runs lower than 25%, a message similar to the following will appear. When toner runs even lower, a message similar to the following will appear. Depending on your conditions of usage, the color may change or the output may become faint. MX-3500/4500 Series (C) (B) (A) (D) MX-2300/2700 Series
61 2 Pull the toner cartridge toward you. Raise the toner cartridge lever and gently pull the toner cartridge horizontally toward you. When pulling out the toner cartridge, pull it out gently. If the cartridge is pulled out abruptly, toner may spill out. Example: Replacing the yellow toner cartridgeHold the toner cartridge with both hands as shown and pull it out of the machine. 3 Remove a new toner cartridge from its package and shake it horizontally five or six times. When shaking the toner cartridge, be sure to shake with the protective material inserted in the cartridge. 4 Remove the protective material from the new toner cartridge. Hold the toner cartridge firmly while removing the protective material. After the protective material has been removed, do not point the toner cartridge down or shake it. 5 Insert the new toner cartridge horizontally. Align the cartridge with the insert hole as shown and then push the cartridge in until it clicks into place. A toner cartridge of a different color cannot be installed. Be sure to install a toner cartridge of the same color. 6 Push the cartridge in until it locks securely in place. Push the cartridge firmly in until it clicks into place.
62 7 Close the front cover. After the toner cartridge is replaced, the machine automatically enters image adjustment mode. Caution •Do not throw a toner cart ridge into a fire. Toner may fly and cause burns. Store toner cartridges out of the reach of small children. If a toner cartridge other than a SHARP-r ecommended toner cartridge is used, the machine may not attain full quality and performance and there is a risk of damage to the mach ine. Be sure to use a SHARP-recommended toner cartridge. If any one of the toner colors runs out (including black toner), color copying will not be possible. If Y, M, or C toner runs out but Bk toner remains, black and white copying will still be possible. Keep the used toner cartridge in a plastic bag (do not discard it). The service technician will collect the used toner cartridge at the time of maintenance. To view the approximate amount of toner remaining, hold down the [COPY] key during copying, printing, or when the machine is idle. The percentage of toner remaining will appear in the display while you hold down the key. When the percentage falls to 25-0%, obtain a new t oner cartridge and keep it ready for replacement.
63 REPLACING THE WASTE TONER BOX The waste toner box collects residual toner that is produced during printing. When the used toner box is full, the display will show Replace used toner container.. Follow the procedure below to replace the used toner box. 1 Open the front cover. 2 Release the used waste toner box. Press the waste toner box release button. The waste toner box will fall forw ard as shown at left. Wait until the box comes to a stop. Keep the replacement cleaner that has not been used. Store it at the top of the waste toner box. 3 Remove the waste toner box. Hold the box by both hands and lift it up slowly. If the waste toner box falls too far forward, it will not be possible to remove it. (Remove the box when it is at an angle of about 30 degrees.)
64 4 Place the box on a flat surface. Place a sheet of newspaper on the surface before placing the box. Do not point the holes down as used toner will spill out. 5 Remove the seals around the holes. Grasp the edge of each seal and pull it out toward you. There are 5 seals. Remove all of the seals. 6 Plug the holes. Grasp the edge of each black seal and insert it into a hole in the box to plug the hole. There are 5 seals. Plug all of the holes. Do not discard the waste toner box. Place it in a plastic bag and keep it until your service technician comes to perform maintenance. Your service technician will collect the waste toner box. 7 Install the new waste toner box. Insert the box from above at a slant. (The direction opposite to when you removed it.)
65 8 Push the waste toner box into the machine. Push the box in until it clicks into place. 9 Close the front cover. Caution Do not throw a waste toner box into a fire. Toner may fly and cause burns. Store waste toner box out of the reach of small children. When replacing the waste toner box, be aware that it may soil your clothes or the place where you remove it.