Canon MF746Cx User Manual page 553

<Menu> <Function Settings>
Settings> Select <SystemParamsPassword> or <StartJobPassword>
<Apply> Enter the password (Confirm)
● <SystemParamsPassword> is a password that allows changes to the system parameter, and
<StartJobPassword> is a password that allows startjob, exitserver operator to perform. For more
information, check PostScript language specifications.
● If <StartJobPassword> is set but <SystemParamsPassword> is not set, password check will not be
performed while performing startjob, exitserver operator.
<Imaging Settings>
You can change the print settings that will apply when printing image files (JPEG/TIFF).
<Halftones>
You can change the printing method used to reproduce halftones (the intermediate range between the
lighter and darker areas of an image) for optimal image quality.
<Gradation>
<Error Diffusion>
<Menu> <Function Settings>
Settings> <Halftones>
<Gradation>
Prints images with fine gradation, such as digital camera images, with a smooth finish.
<Error Diffusion>
This mode is suitable for printing data with text and thin lines and the curved lines of CAD data, etc.
● The stability of the texture and fixed toner may be reduced when <Error Diffusion> is used.
<PDF>
You can change settings for PDF files.
<Enlarge/Reduce to Fit Paper Size>
Specify whether to enlarge or reduce the original according to the print range of paper. Note that size
enlargement/reduction will not affect the aspect ratio of the original.
<Off>
Setting Menu List
<Printer> <Printer Settings>
<Apply>
<Printer> <Printer Settings>
Select <Gradation> or <Error Diffusion>
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<PS> <PS Password
Enter the password
<OK>
<Imaging