NovaJet 800 Series Service Manual
Disconnect the 2 carriage electronic covers by pressing in on the inner tabs with a small tool. Disengage the trailing cables from the carriage ZIF connectors. At rear of printer disengage each strain relief from each carriage assembly using a small
23.Remove both carriage assemblies, belt, frame tensioner, idler, and spring by sliding assemblies gently off the left side of the slide shaft. Note: the carriage assemblies are connected together with a latch and tension spring - ensure the orientation is correct for installation (the right carriage assembly contains the sensor assemblies).
24.Remove the
25.Remove the 2 middle platen section pin assembly compression springs by removing the securing screw.
26.Remove 3 screws from right leg and twist 90 degrees to gain access to screw holes.
27.Remove 4 screws securing the right
28.Remove the middle platen section by pulling straight up. Caution: do not tamper with the media thickness hand wheel until the printer is reassembled.
29.Remove the right side plate from the middle platen section by removing the 4 securing screws. Disconnect both vacuum fans by removing the 6 securing screws. Remove the exhaust grills by removing the 8 securing screws and lifting grills free. Disconnect lower roller assembly by removing the 6 securing screws. Remove the platen plug by forcing a screwdriver past lower roller and pounding out forcefully. Remove the center lower roller support bracket and bearing. Note: The thick arm of the bracket faces towards the front of the printer on reinstallation. Remove the stepper motor/lower roller assembly out the right side of platen. Caution: do not pull lower roller too hard as this may cause damage to the vacuum fans. The vacuum fans may have to be lifted over the pemnuts when removing.
Assembly\Disassembly