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| CONDITION | SUGGESTED SOLUTIONS |
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Color or Black | If the amount of background shading becomes | |
background | unacceptable: | |
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| • Change to a lighter weight paper. See |
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| "Selecting print media" on page 24. |
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| • Check the printer’s environment: very dry |
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| (low humidity) or high humidity (higher than |
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| 80% RH) conditions can increase the |
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| amount of background shading. |
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| • Remove the old toner cartridge and install |
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| a new one. See "Replacing the toner |
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| cartridge" on page 59. |
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| CONDITION | SUGGESTED SOLUTIONS |
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Misformed | • If characters are improperly formed and | ||
characters | producing hollow images, the paper stock | ||
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| may be too slick. Try a different paper. See |
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| "Selecting print media" on page 24. |
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| • If characters are improperly formed and |
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| producing a wavy effect, the scanner unit |
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| may need service. For service, contact a |
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| service representative. |
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Toner smear | • | Clean the inside of the printer. See | |
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| "Cleaning the inside" on page 56. |
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| • | Check the paper type and quality. See |
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| "Selecting print media" on page 24. |
•Remove the toner cartridge and install a
new one. See "Replacing the toner cartridge" on page 59.
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•Ensure that the paper is loaded properly.
•Check the paper type and quality. See "Selecting print media" on page 24.
•Ensure that the paper or other material is loaded correctly and the guides are not too tight or too loose against the paper stack.
Vertical repetitive | If marks repeatedly appear on the printed side | ||||
defects | of the page at even intervals: | ||||
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| • The toner cartridge may be damaged. If a |
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| repetitive mark occurs on the page, print a |
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| cleaning sheet several times to clean the |
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| cartridge. After the printout, if you still have |
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| the same problems, remove the toner |
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| cartridge and install a new one. See |
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| "Replacing the toner cartridge" on page 59. |
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| • Parts of the printer may have toner on |
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| them. If the defects occur on the back of |
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| the page, the problem will likely correct |
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| itself after a few more pages. |
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| • The fusing assembly may be damaged. |
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| Contact a service representative. |
Background scatter Background scatter results from bits of toner | |||
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| randomly distributed on the printed page. |
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| A | • The paper may be too damp. Try printing |
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| with a different batch of paper. Do not open | |
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| packages of paper until necessary so that | |
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| the paper does not absorb too much | |
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| moisture. | |
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| • If background scatter occurs on an | |
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| envelope, change the printing layout to | |
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| avoid printing over areas that have |
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| overlapping seams on the reverse side. |
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| Printing on seams can cause problems. |
•If background scatter covers the entire surface area of a printed page, adjust the print resolution through your software application or the printer properties.
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. See "Selecting print media" on |
| page 24. |
| • Turn over the stack of paper 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. See "Selecting print media" on page 24.
•Turn over the stack of paper in the tray. Also
try rotating the paper 180° in the tray.
Back of printouts | • Check for leaking toner. Clean the inside of | ||
are dirty | the printer. See "Cleaning the inside" on | ||
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| page 56. |
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76 Troubleshooting