Canon S100SP User Manual page 132

Set the halftoning method to [Diffusion] in the printer driver settings.
Windows
1
Open the Printer Properties dialog box.
2
On the [Main] tab, click [Advanced...] and open the [Quality] tab.
3
Clear the [Auto] checkbox off and select [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.
Print Quality is Poor or Contains Errors
Troubleshooting
132