Developing Unit Life Detection - Konica Minolta BizHub C360 Service Manual

11. DEVELOPING SECTION
11.3.9

Developing unit life detection

• The life counter of the developing unit controls detection of life of the developing unit.
• The life counter is available for the developing unit of each color. The counter value is
recorded in the service EEPROM board of the machine.
Controlled item
Printed page count
A. Life determination
• If the count of either one of these counters reaches the threshold, the machine deter-
mines that the developing unit has reached a new state.
Image guaranteed range
Developing unit
(new article)
(1) Life determination threshold
State
Normal
Normal
(print enabled: within image guaranteed range)
Reaching life display
Reaching life
(print enabled: outside image guaranteed range)
*1
Life stop display (print prohibited)
Life stop
*1: For life stop, the Service Mode can be used to turn OFF "print prohibited (No life stop)";
however, print image quality is not guaranteed.
For more details, see Service Mode, Field Service.
(2) Life determination timing
• The life determination control is performed under any of the following conditions:
"The power switch is turned ON (with the front door and right door are closed)"
"The machine exits the sleep mode"
"The front door or right door is opened and closed with the power switch in ON position"
86
Theory of Operation Ver. 1.0 Jul. 2009
Counting unit
Count
Reaching life display
(reaching life threshold value)
Outside image
guaranteed range
Display
Life stop display
(life stop threshold value)
Developing unit
(life end)
A0EDT2C023DA
Criteria
Less than life threshold
Equal to or more than life threshold
and less than life stop threshold
Equal to or more than life stop
threshold