Abstract: The laser printer controller for accepting a page of data to be printed in ASCII character format converts the data into a dot-by-dot character pattern for packing in a vertically scrolling partial page bit map. The alignment device within the laser printer controller provides the means for effectively aligning the randomly positioned dot-by-dot character patterns having a first word orientation with respect to its storage boundaries with a second word orientation necessitated by the fixed word storage boundaries of the partial page bit map. The alignment device includes means for partitioning two adjacent words in their first word orientation of the character pattern for alignment with the second word orientation of the page bit map, packing the two respective portions of the adjacent words into a one word format, rotating or manipulating the two word portions within the one word format for proper bit sequence for a single print data word of the second word orientation.