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Confidential
1.4.21 Printout of maintenance information (Function code 77)
<Function>
This function allows you to print a list of all maintenance information including printer coverage
information. The items are those listed in the second page of the Printer Settings.
The following items are printed on the maintenance information only.
<Operating procedure>
(1) Press the or button to display “MAINTENANCE 77” on the LCD in the initial state of
the maintenance mode. Then, press the OK button.
(2) Upon completion of printing, the printer returns to the initial state of the maintenance mode.
Average Coverage
Total: Accumulated coverage
Current: Coverage by the toner cartridge which is currently used
Drum Information Number of prints and count value of the drum which is
currently used.
Power On Time Elapsed time while the power is ON.
Power On Count Number of times when the power is turned ON.
Current/Previously Used The number of printed pages of the current toner cartridge and
the previous toner cartridge on each color.
Current Waste Toner The number of printed pages of the current waste toner box.
Developing Bias The current developing bias voltage on each color.
Engine Sensor Log
Operation logs of the following sensors located in the paper path.
MN: Registration front sensor
RS: Registration rear sensor
EJ: Paper eject sensor
KO: T1 paper edge sensor
Status Log Information for those in charge of development.
Temperature/Humidity Ambient temperature/ humidity during printing.
Note:
The error data items stored in the error history are different from those in the second page
of Printer Settings.
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