With the I-SENSYS MF635CX all-in-one laser printer, you can print up to 18 pages per minute. You can also use this I-SENSYS to fax. That's why this printer is suitable for use in a small office. You can scan automatically and print duplex with this all-in-one. Thanks to the integrated automatic document feeder (ADF), you can put a whole stack of paper in the scanner at the same time. That way, you'll save time and you won't have to wait next to the device until it's done.