Samsung CLX-9201 Service Manual page 473

Question Will an empty toner cartridge or service item at end-of-life cause a hard error?
No.20
There is no machine stop in consumables or PM part except Toner Cartridge.
Answer •
Toner Cartridges become Hard Stop mode when Toner Cartridge is empty.
•
If there is no machine stop in Toner cartridge, developer unit will be out of control due to toner density error.
Reference
Question Can you print/copy if any one of the toner cartridges is empty?
No.21
Answer No. If one of the color Toner cartridges become Hard Stop mode, the engine is not working.
Both Cosmos and Polaris have the same Hard Stop algorithm.
So In case of Hard Stop, both engines are not working.
Reference
Question Can the interval at which you receive an end-of-life message for service items be changed?
No.22
Answer All the PM parts including consumables have default warning time. And it can be adjusted in the range
5-30% in 1% increments (Threshold).
Reference Service Manual 4.4.3.2 Supply Status
Question Will the machine display a hard error code when a service item reaches it expected life?
No.23
Answer Consumables and PM part except Toner Cartridge have no Hard Stop mode. So they can work regardless of
machine's malfunction. On the other hand, because Toner Cartridge has Hard Stop mode to protect engine
from error, It is not allowed that User removes the Hard Stop mode of Toner Cartridge.
Reference
Question Will you receive a warning when a consumable or service item is nearing it's life expectancy?
No.24
Answer Toner Cartridge brings pre-warning up based on the life information of its memory and there is machine stop
mode. OPC unit brings pre-warning up based on the life information of its memory and there is no machine
stop mode. PM Parts except Toner, — and OPC brings pre-warning up based on the life information of
machine memory and there is no machine stop mode.
Reference Service Manual 4.4.3.2 Supply Status (Pre-Warning Information)
Question How is consumable an service item life tracked?
No.25
Answer Toner Cartridge and Drum Units record life-cycle information in its memory.
And PM Parts records life-cycle information based on page count in machine memory.
Reference
Question Will I lose counter information if the main board is replaced?
No.26
Answer No, you will not. Life cycle information of machine is recorded on MSOK in a slot of main board. And you
should use existing MSOK even after the main board replacement. So life-cycle information is unaffected by
main board replacement.
※ MSOK: Master System Operator Key
Reference
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6. Reference Information
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