Question about Lexmark C720 Laser Printer

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What parts to be changed for making the printout clear? we have printed the demo page, however the middle par of the paper is quite clear, but not the top and bottom. is it the problem on drum or toner? Thank you

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Yes probably ur toner is exhausted..
or drum is damp..
or the heater is faulty/defective..
also check the magnetic mesh roller..
do mind for a genuine refill and drum change (if necessary)..
seek a professional supervision esp. ur system admin/vendor....

Posted on Nov 12, 2009

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I would try replacing the OPC cartridge, partnumber 15W0904.

Posted on Nov 12, 2009

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Printing Problems
? The machine beeps while printing.
The machine may have a paper jam.
• Clear the paper jam (1 p. 13-3).
? Nothing prints.
The power cord may not be plugged in securely.
• Check that the power cord is plugged securely into the machine and into the wall outlet (1 p. 2-9). If the machine is plugged into a power strip, make sure the power strip is plugged in and turned on.
You may not have removed the plastic seal from the cartridge.
• Make sure you install the cartridge properly (1 p. 2-13).
The cartridge may need to be replaced.
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The print media may not be loaded correctly.
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The print media may not be loaded correctly.
• Make sure the print media is loaded correctly in the multi-purpose tray (1 p. 5-4).
• Make sure the paper delivery slots are clear.
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You may not be using the correct paper delivery slot.
• Select the correct paper delivery slot (1 p. 5-7).
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You may not be using the correct print media type.
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You may be printing on the wrong side of the paper.
• Some papers have a "right" side for printing. If the print quality is not as clear as you would like it to be, try turning the paper over and printing on the other side.
? Printout has vertical white streaks.
Toner may be low or unevenly distributed.
• Redistribute the toner inside the cartridge (1 p. 12-7). If the problem persists, replace the cartridge (1 p. 12-7).

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PRINTING ON PAGE IS VERY FADED AND SOME PARTS NOT PRINTING AT ALL


First, checkthat the USB cable is secure in both the printer and the computer and that theprinter is sitting on a flat surface. The printer may not work if it is tilted.

Next, run a printer check to make sure the printer is operational. To run aprinter check, turn off the printer and the computer and unplug the USB cable.Turn on the printer and press the Maintenance button. Use the down arrow buttonon the printer to highlight More Options on the display screen and press OK.Highlight Nozzle Check and press OK twice. If a page prints out, reinstall theR300 software on your computer.
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R300 mayproduce printouts with light horizontal lines that are not a part of theprintout. This is called banding and can have several causes. First, trycleaning the printer head to clear any clogged nozzles. To clean the printerhead on the R300, press the down arrow button to highlight More Options andpress OK. Use the arrow buttons to highlight Head Cleaning and press OK twice.The printer will take about 30 seconds to clean the print head, after which youshould run a printer check as described above. If the printout has gaps, pressthe STOP button to run the print head cleaning feature again. Once there are nogaps in the printout, press OK.

If the printout still has banding, open the Print window on your computer andclick on Properties. In the Properties window you can choose the print quality,speed and printer type. Select a higher print quality and a lower speed andmake sure the paper type matches the type you are using for the printout.

Finally, check that the ink cartridges are not empty or close to empty andreplace them as needed.
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If your printout looksfaint or faded when using the R300, try cleaning the print head. Next, replaceany ink cartridges that are old, low on ink or out of ink. Check that the papersetting on the computer matches the type of paper you are using for theprintout.

Another potential cause of faded printouts is incorrectly loaded paper. Sometypes of paper have a printable side that is whiter or shinier on one sidecompared to the other. The printable side of the paper needs to be loaded intothe printer face up.

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My printer is not printing everything. What is


If you are getting blank printouts try the ff:

Recalibrate the Printer
Recalibrate the Media Sensor of the printer by pressing photo and cancel buttons simultaneously make sure to load one piece of 8.5x11 normal white paper
Print demo page
If the printout is still blank call the technical support with the number 18004216699

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EPSON AcuLaser C1900 paper jam when printing black or color


I have just gained a C1900 second-hand and have set it all up and got the drivers and so forth. Am having exactly this problem, right down to the folded pages, wide top margin and 'Check Paper Size' error message. Did you ever find a solution to this? Anyone else know how to fix it?

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When i print a document, part of the print will be perfect, a couple of sentences, and then several sentences you cannot read at all, its too light or part of the letters are missing - for instance on an...


Follow the steps below to perform basic print quality troubleshooting.

1. Check your paper and verify that the all-in-one has clean, white, inkjet-rated or multipurpose paper in it. In many cases copier grade papers or paper specifically for Laser printers should NOT be used. These papers are frequently coated and are not intended for dye-based inks. The paper container should also have a brightness and weight listed on it. Generally speaking, the brighter and heavier the paper, the better the printout will look. HP recommends papers with at least 90 brightness and 75 g/m2 (20 pound) ratings.
2. Verify that the all-in-one is on a firm surface that fully supports its weight and does not move as the all-in-one prints. If the all-in-one is placed on a desk or other surface that is free to move or shake as the all-in-one prints, the printout will not look as good as it should.
3. Refilled or remanufactured print cartridges will often produce inferior results. HP will not support any print problems that result from the use of remanufactured and refilled print cartridges since their quality is not in HP's control. If you are using refilled or remanufactured print cartridges, replace them with a new HP print cartridge.
4. Print a self-test page from the all-in-one to verify that the all-in-one is working correctly. If the self-test prints correctly, go to Step 3. If the page does not print correctly, verify that the ink cartridges have ink in them. Then, unplug the power cord from the all-in-one, wait five seconds, and plug it back in. Contact HP for assistance if a self-test page still will not print. To print a self-test page, follow the step below:
5. Press SETUP (or MENU ) until " Print Report " displays, then press ENTER .
6. Examine the self-test page printed by your all-in-one.

i. If the colors are correct and the text is sharp and clear on the self-test page, the problem is not the all-in-one or the print cartridges. The problem is the print settings, the file being printed, or the program you are printing from. Continue to step 7 below.
ii. If the colors on the demo page are not correct or are missing, review HP document Printed Pages Are Missing One or More Colors but No Error Message Appears (buu02176) (in English).
iii.If the printout is not sharp or clear, skip the remaining steps in this section and review the remaining information in this document.

7. Try printing the document again but try changing the print settings by following these steps:

1. Within the application you are trying to print from, click File and then click Print . This will bring up the print screen.
2. Verify that the correct printer is selected and then click Properties .
3. On the Quality tab, verify that the correct paper type is selected, and then change the Print Quality setting to Best . Verify the settings on the remaining tabs are correct and then click OK .
4. Print the file you were trying to print again.

i. If the problem is corrected, the problem was the print settings. There is no need to continue troubleshooting.
ii.If the problem still exists, try printing on different paper.

8. Print a different file or image. If you have a file that printed well in the past, try printing that file. Low quality originals will not print very well. Screen captures and images from the internet are often at around 75 dpi. These images are at too low of a resolution to print well. If the self-test page looks good but your image does not, even after changing the print settings, the problem may be the original file. Cheers!!

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Verify that the ink cartridges are intact and securely inserted into the printhead, then make the same print.
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If this will not correct the issue, try to follow these steps
Clean the printhead, then print a demo sheet.



5000_demo_sheet.jpg
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If these steps will not correct the issue on the printout., you need to call Kodak technical support ( 1 800 421 6699) possible the printhead is defective and it needs to be replaced

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