Patent ID: 8157461

Claim:
A printer comprising: a cover attached to a printer chassis so that it can be opened and closed; a transportation roller pair that conveys printing paper that includes a chassis-side roller that is attached to the printer chassis and a cover-side roller that is attached to the cover and is arranged to separate from the chassis-side roller when the cover is opened; a cover urging member that is attached between the cover and the printer chassis and that urges the cover in the closing direction when the cover is opened; a roller shaft that supports the cover-side roller rotatably; a roller support lever that supports the roller shaft; and a support shaft that is attached to the cover and that supports the roller support lever rotatably; wherein the roller support lever is urged toward the printer chassis by a tension of the cover urging member, and urges the cover-side roller to the chassis-side roller in a direction so as to be pushed together when the cover is closed.