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PTR Contact Mechanism
The PTR contacts the transfer belt at all times,
except
During line position adjustment (MUSIC)
During process control
Sleep mode
» In standby mode, the PTR still contacts the transfer belt.
When the power switch on the operation panel is
off
» NOTE: Always turn off the power with the operation
panel switch first.
» If you turn off the power with the main switch, the PTR
and transfer belt are still in contact.
» If they stay like this for a long time, the belt will have a
dent in it, and this will cause insufficient transfer at that
point, causing a white line on outputs.
Slide 211
When the machine is not being used, the PTR moves away from the transfer
belt.
If this were not done, the belt would become damaged (bent, stretched, warped)
where the PTR contacts it. This would cause copy quality problems, such as
horizontal white lines.
During line position adjustment and process control, patterns are developed on
the transfer belt. The PTR is moved away from the belt at this time.
If this were not done, the PTR would remove the patterns before they got to the
ID sensors. (Also, the PTR would get dirty.)
211
Di-C1.5 Training
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