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Solving Problems
❏ For Windows, the printer cannot print binary data when it is connected to the computer using a USB
interface. Set the Output Protocol setting on the Device Settings tab in the printer properties to
ASCII or TBCP.
❏ For Windows, select the appropriate substitution fonts on the Device Settings tab in the printer
properties.
Print Quality Is Poor While Using PostScript Printer Driver
Color settings have not been made.
Solutions
You cannot make color settings on the Paper/Quality tab in the printer driver. Click Advanced, and then
set the Color Mode setting.
Copy Quality is Poor
Color Missing, Banding, or Unexpected Colors Appear in Copies
The print head nozzles may be clogged.
Solutions
Use the Print Quality Adjustment feature. If you have not used the printer for a long time, the print head
nozzles may be clogged and ink drops may not be discharged.
"Adjusting the Print Quality" on page 168
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Colored Banding Appears at Intervals of Approximately 3.3 cm
The following causes can be considered.
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Printing, Copying, Scanning, and Faxing Quality is Poor
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Copy Quality is Poor
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