Oki C5550 MFP User Manual page 96

Changing fax quality
The machine is preset to "Fine". If required, you can select
"ExtraFine" or "Photo" to improve the fax quality or you can
reduce the fax quality by selecting "Standard".
To change fax quality:
1. Press the Fax Mode button on the control panel to prompt
the fax screen.
2. Press the Additional Settings button and press OK.
3. Select the appropriate quality setting and press OK.
4. Press Return to exit the menu and return to the fax
screen.
NOTE
After you have completed your fax operation, the machine
will automatically return to the preset quality.
Adjusting density
The machine is preset to the "Normal" level of density. If your
original document comes with a lighter or darker contrast, you
can improve the quality by using the Adjusting Density feature.
To change density:
1. Press the Fax Mode button on the control panel to prompt
the Fax screen.
2. Press the Additional Settings button.
3. Using the DOWN arrow key, navigate to the Density
setting and press OK.
4. Select the required density and press OK.
5. Press Return to exit the menu and return to the fax
screen.
NOTE
After you have completed your fax operation, the machine
will automatically return to the preset value.
Document size
The machine is preset to "A4/Letter" size.
C5550 MFP User's Guide
Operation > 96