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Operators sometimes push the sorter's bins too hard. This leads to breaks in the guide rollers
at the back of every bin, or in the sliders in front of each bin. The broken bin stands at an angle
relative to the remaining horizontal bins. When the sorter attempts to lift the bin assembly the
broken one creates tension and the drive mechanism slips. This in turn leads to misalignment in the
drive shafts with cam grooves. The drive gears of the mechanism may break, or yet more bin rollers
may break. This is the only serious trouble that sorters can experience. Advise the operators of
sorters with angled bins not to use them until the misalignment is corrected. Generally the
procedure is the same in every sorter model. It is described in the corresponding service manual, but
the rule is: disengage the front from the rear drive cam-grooved shafts. Rotate them correspondingly
so that the notch of each of them is in the right position. Maintaining this position engage the two
shafts again. Make sure that all bins are horizontal and all bin guide rollers and sliders are correctly
position one on top of the other. See figure 18.
Another problem is that the sorter seems to think that it has paper in the bins and wants you
to remove it, while there isn't any paper at all. This is caused by contamination of the optical sensor
for paper in the sorter. It consists of a LED on top of the sorter and a receiver on the bottom. Clean
the receiver and the problem is solved.
Disassembly of the sorter:
1. Detach the sorter from the copier. Place it on a desk. Remove screws A. Lift and then pry off the
ends B of the side covers to remove them. After you have removed the side covers, push the tabs on
each end of the top cover and remove it. Clean the optical sensor on the back of it. See figure 19.
B
A
19
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