Canon MAXIFY MB2750 Online Manual page 1122

Is inside of printer dirty?
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During duplex printing, ink may stain the inside of the printer, smudging the printout.
Perform the bottom plate cleaning to clean the inside of the printer.
Cleaning Inside the Machine (Bottom Plate Cleaning)
Note
• To prevent staining inside the printer, be sure to set the correct paper size.
Set longer ink drying time.
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This allows the printed surface to dry, preventing smudges and scratches.
• For Windows:
1. Make sure printer is turned on.
2. Open printer driver setup window.
How to Open the Printer Driver Setup Window
3. Click Maintenance tab and Custom Settings.
4. Drag Ink Drying Wait Time slide bar to set wait time and click OK.
5. Check message and click OK.
• For Mac OS:
1. Make sure printer is turned on.
2. Open Canon IJ Printer Utility.
Opening the Canon IJ Printer Utility
3. Select Custom Settings in pop-up menu.
4. Drag Ink Drying Wait Time: slide bar to set wait time and click Apply.
5. Check message and click OK.
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