Xerox Nuvera 100, Service Manual

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1-48
ii LINX™ Solid Inkjet 100 Service Manual
Maintenance Drawer
The maintenance drawer performs two functions. Its primary function
is to create a thin intermediate liquid transfer surface, a layer of
silicone oil, on the surface of the drum prior to printing. The oil keeps
the ink from sticking to the drum’s surface and facilitates its transfer
to the sheet of paper. The oil is contained in an oil saturated roller.
The drum maintenance drawer’s second function is to collect waste
ink from printhead purges in a waste tray. Refer to Figure 1-17.
840-4-54
Maintenance drawer
camshaft electric clutch
Process drive belt
Process motor
Cam pushes oil
roller and blade
against drum
Cam lowers oil
roller and blade
assembly
Camshaft
home
position
flag
Drum
maintenance
drawer camshaft
Oil on
drum
Blade
Actuator
Oil roller
Drum
Drum
Maintenance
drawer
Figure 1-17. Drum Maintenance Drawer
Prior to each print, a cam, driven by the process motor, raises the oil
roller against the slowly rotating drum. A compliant blade, also raised
by the same cam, assures that the oil film is smooth and even across
the drum’s surface. The blade also directs excess oil back through a