Canon GP605 Service Manual page 214

CHAPTER 6 IMAGE FORMATION SYSTEM
Figure 6-408 shows the sequence of operations by which the toner cartridge supplies the hop-
per with toner.
If the absence of toner is detected for 0.5 sec or
more, the toner supply sequence is started.
Toner sensor
(inside the hopper)
Toner lower limit sensor
(inside the hopper)
Toner feeding screw
If the absence of toner is detected for 150 sec
or more, a message to prompt toner supply will
be indicated on the touch panel. (The machine
remains ready.)
Related Error Code
E020
(toner supply error)
6-44
COPYRIGHT © 1999 CANON INC.
If the toner supply sequence has not ended at the time the machine
operation ends, the toner supply sequence will be continued until it ends.
Toner supply
sequence started
Toner supply
150 sec
Supply
Figure 6-408 Sequence of Operations
The toner sensor (TS3; inside the developing assembly) has
detected the absence of toner for 3 sec or more.
If the presence of toner is detected
for 1.5 sec or more, the toner supply
sequence ends.
If the absence of toner is detected for 150 sec
or more, a message to prompt toner supply will
be indicated on the touch panel. (The machine
stops operation.)
CANON GP605/605V REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
STBY