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Appendix B. Print Quality Problems
Use the following procedure to try to resolve print quality problems,
including light printing, streaks, splotches, random deletions, blank pages,
and so on. See the rest of this chapter for samples of print quality problems.
Important
Your printer driver or application may allow you to select print quality
settings. If it does, these settings override values set at the printer. When
the following steps recommend changing a value at the printer, make
sure you also change the setting in your driver.
1. Print a demo page. Verify that it has the same print quality problem. If
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2. If printing is too light, make sure the QUALITY item on the Configuration
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Menu is not set to ECONO. Also, try increasing the DENSITY setting to a
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higher value. See "Configuration (Config) Menu" on page 95.
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3. If printing is dark, try setting QUALITY to REFINE. Also, try decreasing
the DENSITY setting to a lower value.
4. If image quality is poor, set QUALITY to REFINE. Also, try decreasing the
DENSITY setting to a lower value.
5. If small single-byte characters or any double-byte characters are hard to
read, set QUALITY to REFINE. Also, try decreasing the DENSITY setting
to a lower value.
6. Make sure that the paper being used is fresh and dry and meets
specifications. See "Selecting Paper and Other Printable Material" on
page 34 for more information.
7. Install a new toner cartridge. Light prints may indicate that you need to
replace the toner cartridge. See "Changing the Toner Cartridge" on
page 132 for instructions on removing and replacing the toner cartridge.
8. If the problem involves spots or streaks, print several test pages to clean
out contamination.
© Copyright IBM Corp. 1998
not, suspect a problem with your job. To print a demo page:
a. Make sure the printer is offline. If the printer is online, press the
Online key to take it offline.
b. Press the Menu key once. TEST MENU appears in the message
display area.
c. Press the Item key until you see PRINT PCL DEMO.
d. Press the Enter key.
e. To restore the printer to READY status, press the Online key.
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