Canon imageRUNNER 7095 Service Manual page 201

Chapter 7
The following is an outline of the sequence of operations used by the machine to supply toner:
At TS4 time-out,
indicates a message
to the effect that a
new supply of toner
must be made available.
Printing may continue.
The machine remains
ready to operate.
The following shows the sequence of operations used to supply toner from the buffer to the developing
assembly:
If a toner absent condition is identified
for 0.3 sec or more, the toner supply
sequence is started.
Developing assembly
toner sensor
Magnet roller
If continuously supplied, overflow will be a
possibility with the stop not taking place in time.
7-24
As many as
about 1000 prints
may be made
A new supply of toner
At TS1 time-out,
has been added
indicates a message
(i.e., the bottle has
to the effect that a
been replaced with a
new supply of toner
full bottle).
must be added.
The machine stops
operation.
F-7-32
If the toner supply sequence is not finished at the end of machine operation,
the sequence will be resumed during the next operation.
If a toner present condition is detected for 0.7
sec or more, the toner supply sequence is ended.
Toner supply
sequence started
Toner supply
2 sec
0.3 sec
Supply
Supply
If a toner absent condition is detected for 20
sec or more, indicates error code E020.
F-7-33
The machine resumes
operation, supplying
toner as it makes prints.
STBY
Supply