The present invention relates to a system for use in an ink-jet printer having a printhead and an opposing platen capable of movement toward and away from the printer's printhead to define a record media gap therebetween. The system is effective to selectively restrict movement of a printer's platen...http://www.google.com.au/patents/US5366301?utm_source=gb-gplus-sharePatent US5366301 - Record media gap adjustment system for use in printers
