Samsung CLP 300N Service Manual - Page 39

Sensor, 4.11 CRUMS, 4.12 LOW / OUT Behavior for consumables, 4.8 Power Switch, 4.9 Operator Panel - reset

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Page 39 highlights

System Overview 3.4.8 Power Switch The Switch is located at rear-side of printer and must be marked to indicate on and off. 3.4.9 Operator Panel LCD: None KEY: 2 keys (Stop, Black only) LED: 6 LEDs (C, M, Y, K Toner, Status, Black only) 3.4.10 Sensor Paper empty (Cassette) 3.4.11 CRUMS The CLP-300 Series engine will be equipped with electronics that can read and write data into NVRAMs otherwise known as CRUMs that reside within 1) C, M, Y, K Toner cartridges and 2) Imaging kit(Developer, OPC, ITB). The CRUM has a company ID, and Samsunga electronics logo. The toner CRUM also identifies the type of toner cartridge (Standard or High Capacity). The CRUMs contain fixed data such as the low warning point, specified life point, and hard stop point (on toner, not on IBT unit) and also store the current life count (pages count, pixels count, images count) and % of usage (gas gauge) data. 3.4.12 LOW / OUT Behavior for consumables The consumable low and out behavior on CLP-300 Series engine is specified by SEC. FP message Toner Imaging Kit Fuser T2 Roller Pick-up Device for life end detection CRUM CRUM No No No Law(90%) Yes Yes Yes Yes No Life(100%) Yes Yes Yes Yes No Hard stop Yes(115%) No No No No Reset to 0 No No Yes Yes No Samsung Electronics Service Manual 3-21

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System Overview
Samsung Electronics
Service Manual
3-21
3.4.10 Sensor
Paper empty (Cassette)
3.4.11 CRUMS
The CLP-300 Series engine will be equipped with electronics that can read and write data into NVRAMs otherwise
known as CRUMs that reside within 1) C, M, Y, K Toner cartridges and 2) Imaging kit(Developer, OPC, ITB). The CRUM
has a company ID, and Samsunga electronics logo.
The toner CRUM also identifies the type of toner cartridge (Standard or High Capacity). The CRUMs contain fixed data
such as the low warning point, specified life point, and hard stop point (on toner, not on IBTunit) and also store the cur-
rent life count (pages count, pixels count, images count) and % of usage (gas gauge) data.
3.4.12 LOW / OUT Behavior for consumables
The consumable low and out behavior on CLP-300 Series engine is specified by SEC.
FP
Device for life end
Law(90%)
Life(100%)
Hard stop
Reset to 0
message
detection
Toner
CRUM
Yes
Yes
Yes(115%)
No
Imaging Kit
CRUM
Yes
Yes
No
No
Fuser
No
Yes
Yes
No
Yes
T2 Roller
No
Yes
Yes
No
Yes
Pick-up
No
No
No
No
No
3.4.8 Power Switch
The Switch is located at rear-side of printer and must be marked to indicate on and off.
3.4.9 Operator Panel
LCD: None
KEY: 2 keys (Stop, Black only)
LED: 6 LEDs (C, M, Y, K Toner, Status, Black only)