Canon MF5850dn
Troubleshooting. Test Print
Test Pages
Printing test pages helps determine if the printer is functioning.
CAUTION:
There are two types of test pages: engine-test page and formatter-test page. Print a test page to make sure the printer engine and the formatter are functioning.
Engine-test page
There are two types of engine-test pages simplex print and duplex print.
a. Simplex print
Open and close the cartridge door three times continuously within 2 seconds during the standby period. The engine-test page should have a test print pattern on one side of media as shown below.
b. Duplex print
Open and close the cartridge door five times continuously within 2 seconds during the standby period. The engine-test page should have a test print pattern on both sides of media as shown below.