Xerox Nuvera 100, Service Manual

Page: 49 / 304

General Information 1-49
felt filter to the oil roller for reuse. As the drum completes one
rotation, the rotating cam lowers the oil roller and then a moment
later, lowers the blade.
A removable NVRAM chip, mounted on the drawer, stores the number
of oiling cycles performed by the maintenance drawer.
Printhead
The printhead (Figure 1-18) is the heart of the printer. Refer to Figure
1-17. The printhead spans nearly the length of the drum. Using its
448 ink-jet nozzles (112 jets for each density), with a horizontal
motion of slightly more than 5 mm (0.2 inches), the printhead can
print the entire image on the rotating drum.
840-4-48
Head drive board
Reservoir
Jet stack
Drum
Printhead
Figure 1-18. Printhead