Canon BJC S600 - Manual (Page 135)

Print Quality is Poor or Contains Errors 135
Troubleshooting
■ Set the halftoning method to [Diffusion] in the printer driver settings.
Windows
1
Open the Printer Properties dialog box.
2
On the [Main] tab, select [Custom] for the [Print Quality] setting, and click
[Set].
3
Click [Diffusion] for the [Halftoning] setting.
Macintosh
1
Open the Print dialog box.
2
For [Print Mode], select [Manual] and then click [Details].
3
Click the [Quality] icon and then click [Diffusion] for the [Halftoning] setting.