PROCESS CONTROL
17 January, 2003
6-18
Toner Near End Detection 1
The controller considers the information from the TD sensor.
1) The controller checks that the following condition is satisfied ten times
consecutively:
V
REF
+ 0.4 V < V
T
NOTE:
The condition can be adjusted with SP2-212.
2) If the above condition is satisfied, toner is
supplied to the development unit. The
message, “Loading Toner...", is displayed.
3) The controller checks the above condition
again.
a) If the condition is satisfied, the controller decides that the machine is in
the toner near end status. The message,
“Toner is Almost Empty Xxxxx", is
displayed; where “Xxxxx” indicates the
color, such as cyan.
b) If the condition is not satisfied, the
controller decides that the machine is not in the toner near end status.
The machine resumes its normal operation.
Toner Near End Detection 2
The controller considers the information from the operation time counter of the
toner attraction pump, the memory chip on the toner bottle, and the toner end
sensor.
1) To calculate the toner amount remaining in the toner cartridge, the controller
considers the operation time counter of the toner attraction pump and the
initial amount of the toner (recorded in the memory chip).
2) If the amount reaches the predefined weight (default: 100 g), the controller
checks the signals from the toner end sensor.
NOTE:
The weight can be adjusted with SP2-212-1 and -2.
a) If the signals indicate the toner amount
has fallen to a certain level (determined
by SP 2-212-12 to -15), the controller
decides that the machine is in the toner
near end status. The message, “Toner
is Almost Empty “Xxxxx", is displayed; where “Xxxxx” indicates the color,
such as cyan.
b) If the signals indicate the toner amount is not less than a certain level,
the controller decides that the machine is not in the toner near end status.
The machine resumes its normal operation.
Loading Toner...
G080D914.WMF
Toner is Almost
Empty: Cyan
G080D915.WMF
Toner is Almost
Empty: Cyan
G080D915.WMF