Test Print; Engine Test Print; Controller Test Print - Canon MF720 Series Service Manual

Test Print

Engine test print

The engine test print is to check normal operation of the device.
Print the engine test chart in the following steps.
1. Detach the right cover (Refer to
2. Turn on the device on standby to press the test print switch [1] on the right side of the device.
3. The engine test chart is printed in the horizontal line patterns on a sheet as shown below.

Controller test print

■ Overview
This product provides the following 6 test chart types to determine causes of faulty images.
:"Removing the Right Cover" on page
241
6. Troubleshooting
120).