disposed in cover 120 includes inner cover 562 compliant members such as compression springs u2014 not shown and printhead 510 inner cover 562 and compliant members can retain printhead 510 providing limited radial movement of printhead 510 along printhead 510 39 s axis the portion of print assembly 500 is shown in further detail in fig5 bearing 550 retains platen 520 and facilitates axial rotation of platen 520 along a longitudinal axis thereof a cam 530 is disposed at each end of platen 520 an adjustment set screw 560 is disposed in base 110 leaf spring 540 is disposed at a first end 541 on the bearing 550 and at a second end 542 in slot 545 when positioned in slot 545 leaf spring 540 contacts a set screw 560 rotation of set screw 560 engages leaf spring 540 which in turn rotates cam 530 as cam 530 rotates printhead 510 is translated in a longitudinal direction e g along axis a a in this manner the position of printhead 510 may be adjusted to achieve optimal printing set screw 560 includes a tool engaging feature 561 such as a slot phillips head pozidrive head hex head torx head and the like to facilitate the adjustment thereof with a screwdriver or other suitable tool in some embodiments set screw 560 may be knurled to enable adjustment using only the fingers leaf spring 540 is biased inward e g toward platen 520 to retain platen 520 in association with bearing 550 during use leaf spring 540 may be deflected in a transverse direction away from platen 540 e g orthogonal to axis a a to allow leaf spring 540 to move out of its anchor position in base 110 once bearing 550 is rotated a predetermined amount for example about.