Drum And Toner Detetion - Panasonic KX-MB2230JT Service Manual

KX-MB2230JT/ KX-MB2270JT/ KX-MB2515JT/ KX-MB2545JT/ KX-MB2575JT/ DP-MB310JT

6.12.17. Drum and Toner Detetion

Drum Unit Detection
Purpose
To describe drum unit detection when the drum unit is inserted.
Method
By DRUM Life SW (First use sensor) and high pressure abnormal detection signal
Flowchart
Front Cover SW
OFF
Front Cover
Open
LCD message
"CHECK DRUM"
Power ON
Front Cover
SW ON
No
Yes
DRUM Life
SW ON
No
Yes
N(a) =n+1
High pressure (CHG)ON
(check charging unit)
HVERR?
No
High pressure (CHG)OFF
Yes
continuance
n > = 3
No
Yes
"Call Service 6"
STOP
* Awaiting time from high pressure OFF to ON.
If it turns on less than this time, high pressure ERR might occur.
LCD message
" Front Cover Open"
N(b) =n+1
continuance
n > = 3
HVERR?
*wait more
than 100msec
N(b) = 0
LCD message
Initial operation
"Check DRUM"
78
Front Cover
Open
No
LCD message
"CHECK DRUM"
Yes
No
Yes
LCD message
"CHANGE DRUM"
(D Life SW ERR)
Front Cover SW
OFF