a printer assembly is sized with a form factor comparable to a disk drive and includes provision for mounting in a drive bay of a computer or other electronic apparatus . in one embodiment , the printer is slidable between first and second positions . in the first position , the printer is disposed within the case of the computer , concealed and secure from abuse . in the second position , the printer is disposed outside the case and is available for use . in another embodiment , the printer is fixedly mounted within the drive bay .