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Resumen del manual
If a paper jam occurs, follow the steps outlined in “Clearing Paper Jams” on page 7.6. • Follow the procedures in “Load Paper” on page 2.4. Insure that the adjustable guides are positioned correctly. • Do not overload the automatic input tray. Insure the paper is below the paper capacity mark on the inside of the tray. • Do not remove the paper from the input tray while printing. • Flex, fan and straighten the paper before loading. • Do not use creased, damp or highly curled paper. • Do not mix paper types in the input tray. • Use only recommended print media. See “Paper Specifications” on page A.2. • Insure that the recommended print side is facing up when loading paper into both input trays. • Keep print media stored in an acceptable environment. See “Printer and Paper Storage Environment” on page A.6. 7.10 PROBLEM SOLVING Solving Print Quality Problems Print Quality Checklist Print quality problems can be resolved by following the checklist below. • Redistribute the toner in the toner cartridge (see page 6.2). • Clean the inside of the printer (see page 6.4). • Adjust the print resolution from the printer properties (see page 5.11). • Insure Toner Save Mode is off (see page 5.6). • Troubleshoot general printing problems (see page 7.2). • Install a new toner cartridge, and check print quality (see page 2.2). Solving Print Quality Problems Problem Solution Light or faded print If a vertical white streak or faded area appears on the page: • The toner supply is low. You may be able to temporarily extend the toner cartridge life. See “Redistributing the Toner” on page 6.2. If this does not improve the print quality, install a new toner cartridge. • The paper may not meet paper specifications (for example, the paper is too moist or too rough). See “Paper Specifications” on page A.2. • If the entire page is light, the print resolution setting is too light or Toner Save Mode is on. Adjust the print resolution and Toner Save Mode in the printer properties. See page 5.6 and 5.11 respectively. • A combination of faded or smeared defects may indicate that the toner cartridge needs cleaning. See “Cleaning the Printer” on page 6.4. • The surface of LSU may be dirty. Clean the LSU. See “Cleaning the Printer”. PROBLEM SOLVING 7.11 Solving Print Quality Problems Problem Solution Toner specs • The paper may not meet specifications (for example, the paper is too moist or too rough). See “Paper Specifications” on page A.2. • The transfer roller may be dirty. See “Cleaning the Inside” on page 6.4. • The paper path may need cleaning. See “Cleaning the Inside”. Dropouts If faded areas, generally rounded, occur randomly on the page: • A single sheet of paper may be defective. Try reprinting the job. • The moisture content of the paper is uneven or the paper has moist spots on its surface. Try a different brand of paper. See “Paper Specifications” on page A.2. • The paper lot is bad. The manufacturing processes can cause some areas to reject toner. Try a different kind or brand of paper. • The toner cartridge may be defective. See “Vertical repetitive defects” on the next page. • If these steps do not correct the problems, contact a service representative. Vertical lines If black vertical streaks appear on the page: • The drum inside the toner cartridge has probably been scratched. Install a new toner cartridge. 7.12 PROBLEM SOLVING Solving Print Quality Problems Problem Solution Gray background If the amount of background shading becomes unacceptable, the procedures below may fix the problem. • Change to a lighter weight pages. See “Paper Specifications” on page A.2. • Check the printer’s environment; very dry (low humidity) or high humidity (higher than 80% RH) conditions can increase the amount of background shading. • Install a new toner cartridge. Toner smear • Clean the inside of the printer. See “Cleaning the Inside” on page 6.4. • Check the paper type and quality. See “Paper Specifications” on page A.2. • Install a new toner cartridge. Vertical repetitive defects If marks repeatedly appear on the printed side of the page at even intervals: • The toner cartridge may be damaged. If a repetitive mark occurs on the page, print a cleaning sheet several times to clean the cartridge (see page 6.5). After the printout, if you still have the same problems, install a new toner cartridge. • Parts of the printer 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. PROBLEM SOLVING 7.13 Solving Print Quality Problems Problem Solution Background scatter Background scatter results from bits of toner 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 necessary so that the paper does not absorb too much moisture. • If background scatter occurs on an envelope, change the printing layout to avoid pri...
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