Fusing
SM 7-79 D0CA/D0C9/D0C8/D0CB
7.11.6 CPM DOWN CONTROL
This machine automatically lowers the CPM according to usage and machine status to obtain
the best image quality and keep the machine in good condition.
If the fusing lamp is always activated during consecutive printing, and/or the paper size is
smaller than the lamp’s width, then some heat will not be used for fusing and may stay around
the front and rear ends of the fusing unit. This will increase the temperature in the fusing unit
abnormally.
CPM down control keeps the machine’s CPM low until the fusing unit sufficiently cools down.
Normally, it takes 10 minutes to recover the original CPM.
A5 Postcard Envelope Recovery
Time
CPM (Standard) 15 15 15 10 mins.
CPM Down Starting Sheet Count No CPM
control
13th
sheet
4th sheet
CPM (Controlled) 10 6
Output sheet count after one minute from
recovery
14 6
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