MP Drivers is not installed properly.
When an Error is Displayed Regarding Automatic Duplex Printing
The correct media size is not
selected in the printer driver.
Error No.: 300 is Displayed
The machine is not ready.
Machine is not properly connected.
Uninstall then reinstall the MP Drivers.
1. Click [Start], and select [All Programs] (or [Programs]), the name of your
machine, and [Uninstall].
2. Follow the on-screen instructions to uninstall the driver.
3. Follow the procedures described in the Easy Setup Instructions and
reinstall the MP Drivers.
Check the page size setting from within your application software to
ensure that it matches the size of the paper loaded.
Check [Page Size] on the [Page Setup] tab in the printer properties dialog
box (Windows) or the [Page Setup] dialog box (Macintosh) to ensure that it
matches the size of the paper loaded.
The page sizes that can be used for Automatic Duplex Printing are Letter,
A4, B5, A5, and 5" x 7" / 127.0 x 177.8 mm. Check that the page size of the
loaded paper is correct.
To print on both sides of the page manually, follow the procedure below.
On the [Page Setup] tab, clear the [Automatic] check box. Then try printing
The manual duplex printing function cannot be used.
Ensure that the lamp on the Operation Panel lights.
If the lamp on the Operation Panel is off, turn the machine on.
While [COPY] is flashing, the machine is initializing. Wait until [COPY]
stops flashing and stays lit.
When the Alarm Lamp is lighting or flashing orange, an error may occur in
the machine. For details on how to resolve the error, see
Message is Displayed on the LCD" on page
Ensure that the printer cable is securely connected to the computer.
If using a switching hub or other device, disconnect the machine and
reconnect it directly to the computer and try printing again. If
successful, the problem may have been with the device.
There could also be a problem with the cable(s). Replace the cable(s)
and try printing again.