
NovaJet 800 Series Service Manual
Remove the Lower Roller Assembly, Stepper Motor and Vacuum Fan (NovaJet 880)
1.To remove the stepper motor/lower roller, first remove power from the printer.
2.Unplug the dryer power cord and disconnect the dryer logic cable.
3.Remove dryer by pulling locking pins and lifting straight up.
4.Remove the flattening roller thumb screws and remove the flattening rollers.
5.Disconnect the SEH print server from the parallel port if connected.
6.Remove all cartridges from the printer by lifting the valve actuator and pulling the septum needle free. Remove all ink reservoirs by depressing on the valve tabs.
7.Remove the top cover by pulling on the retracting stop at the left end, remove by pulling cover to left slightly to dislodge tab at the right end.
8.To remove the right cover, locate and remove the 2 inside right cover screws. Locate and remove the 3 bottom right cover screws.
9.Disengage the retracting latch between right cover and rear cover, pull up and ease right cover over on one side.
10.Remove two control panel connections to the Main PWA.
11.Remove the right cover.
12.To remove the left cover, remove the two bottom screws securing the left cover. Using a flathead screwdriver insert tip into 4 cover tab slots and gently twist to release cover from slide plate. Disengage the retracting stop or latch between the left cover and rear cover. Pull up and remove the left cover.
13.Remove 6 ink delivery system
14.Remove 2 screws at rear of printer which secure the ink delivery system and chain shelf. Remove the chain shelf. Remove 7 remaining screws which secure the ink delivery system. Lift the carriage cover and move to left side of printer, lift the metal bracket and simultaneously slide the ink delivery chain out of rear cover.
Assembly\Disassembly