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Clean the inside of your machine. • The paper path may need cleaning. Clean the inside of your machine. If these steps do not correct the problem, contact a service representative. Printing quality problems 1126. Troubleshooting Printing quality problems 1126. Troubleshooting Condition Suggested Solutions Vertical lines If black vertical streaks appear on the page: • The surface (drum part) of the toner cartridge inside the machine has probably been scratched. Remove the toner cartridge and install a new one. If white vertical streaks appear on the page: • The surface of the LSU part inside the machine may be dirty. Clean the inside of your machine. If these steps do not correct the problem, contact a service representative. Black background If the amount of background shading becomes unacceptable: • Change to a lighter weight paper. • Check the environmental conditions: very dry conditions or a high level of humidity (higher than 80% RH) can increase the amount of background shading. • Remove the old toner cartridge and install a new one. • Thoroughly redistribute the toner (see Basic Guide). Toner smear • Clean the inside of the machine. • Check the paper type and quality. • Remove the toner cartridge and install a new one. Printing quality problems 1136. Troubleshooting Printing quality problems 1136. Troubleshooting Condition Suggested Solutions Vertical repetitive defects If marks repeatedly appear on the printed side of the page at even intervals: • The toner cartridge may be damaged. If you still have the same problem, remove the toner cartridge and, install a new one. • Parts of the machine may have toner on them. If the defects occur on the back of the page, the problem will likely correct itself after a few more pages. • The fusing assembly may be damaged. Contact a service representative. Background scatter Background scatter results from bits of toner randomly distributed on the printed page. • The paper may be too damp. Try printing with a different batch of paper. Do not open packages of paper until A necessary so that the paper does not absorb too much moisture. • If background scatter occurs on an envelope, change the printing layout to avoid printing over areas that have overlapping seams on the reverse side. Printing on seams can cause problems. Or select Thick Envelope from the Printing Preferences window (see Basic Guide). • If background scatter covers the entire surface area of a printed page, adjust the print resolution through your software application or in Printing Preferences. Ensure the correct paper type is selected. For example: If Thicker Paper is selected, but Plain Paper actually used, an overcharging can occur causing this copy quality problem. • If you are using a new toner cartridge, redistribute the toner first. Printing quality problems 6. Troubleshooting 114 Toner particles are around bold characters or pictures The toner might not adhere properly to this type of paper. • Change the printer option and try again. Go to Printing Preferences, click the Paper tab, and set the paper type to Recycled. Ensure the correct paper type is selected. For example: If Thicker Paper is selected, but Plain Paper actually used, an overcharging can occur causing this copy quality problem. Misformed characters • If characters are improperly formed and producing hollow images, the paper stock may be too slick. Try different paper. Page skew • Ensure that the paper is loaded properly. • Check the paper type and quality. • Ensure that the guides are not too tight or too loose against the paper stack. Condition Suggested Solutions Priinttiinng qqualitty pprroobblems 66.. TTrroouubblleesshhoooottiinngg 111155 Condition Suggested Solutions Curl or wave • Ensure that the paper is loaded properly. • Check the paper type and quality. Both high temperature and humidity can cause paper curl. • Turn the stack of paper over in the tray. Also try rotating the paper 180° in the tray. Wrinkles or creases • Ensure that the paper is loaded properly. • Check the paper type and quality. • Turn the stack of paper over in the tray. Also try rotating the paper 180° in the tray. Back of printouts are dirty • Check for leaking toner. Clean the inside of the machine. Printing quality problems 1166. Troubleshooting Printing quality problems 1166. Troubleshooting Condition Suggested Solutions Solid color or black pages • The toner cartridge may not be installed properly. Remove the cartridge and reinsert it. • The toner cartridge may be defective. Remove the toner cartridge and install a new one. • The machine may require repairing. Contact a service representative. Loose toner • Clean the inside of the machine. • Check the paper type and quality. • Remove the toner cartridge and then, install a new one. If the problem persists, the machine may require repair. Contact a service representative. Character voids A Character voids are white areas within parts of characters that should be solid black: • If you are using ...
Other models in this manual:Printers - ML-2950D (10.94 mb)
Printers - ML-2950DR (10.94 mb)
Printers - ML-2950ND (10.94 mb)
Printers - ML-2950ND/GOV (10.94 mb)