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3.10 Remove 3 screws and the cover A. See figure 9.
A
3.11 Remove corotron assembly spring A.
3.12 Clean the inside of the machine with vacuum cleaner. Note
– clean thoroughly the transfer corotron assembly
terminal B from dust and toner.
3.13 Inspect the inside of the machine around the lower and
upper drive assemblies. Look for broken teeth by hand
cranking the assemblies.
3.14 Clean the filter C of the optical fan with vacuum cleaner as
you hold it with hand, because it is loosely attached. See
figure 10.
C
3.15 Rotate the machine and remove two screws to detach the
rear cover.
3.16 Clean the rear optical fan filter A the same way as the front
one.
3.17 Clean the rear side of the machine from toner and dust with
vacuum cleaner, especially around the waste toner
discharge assembly B. See figure 11.
B
A
9
4. Cleaning the modules of the machine
4.1 Push three tabs A and remove the separation charger grid.
Remove the covers B. Clean with vacuum cleaner the
terminals of the corotron assembly.
4.2 Using cotton swabs moistened with window cleaner, wipe
the corotron housing as well as the wires themselves. See
figure 12.
A
10
4.3 Turn the registration assembly upside down and remove the
cleaning brush A. Clean it with vacuum cleaner. Inspect the
hooks B of the registration roller springs, if they are broken,
that will lead to defects which will be described in the
articles to follow.
4.4 Clean the rubber registration roller with rubber cleaning fluid.
This is important for the correct aligning of the original to
copy beginning. See figure 13 and 14.
13
A
A
B
B
11
12
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