Read Sharp AR-C250 (serv.man38) Technical Bulletin online
GMA051202
Sharp Electronics (UK) Ltd., Technical Services Group
Note:
Do not install the new type Developer Unit(s) unless the Engine Firmware has been updated
(refer to the firmware revision table within this bulletin).
Do not install the new type Developer Unit(s) unless the Engine Firmware has been updated
(refer to the firmware revision table within this bulletin).
Failure to upgrade the engine firmware will result in a “DV Check CMYK” error.
Developer
The coating material and particle size for the new type developer has been changed from approx. 8um to
6um, to increase magnetic roller coverage and “tribo-electric” charge.
6um, to increase magnetic roller coverage and “tribo-electric” charge.
To identify the new type Developer, the product code has changed.
Supplies
Model
Current
New Type
Black Developer
AR-C150, AR-C250
AR-C15LD1
(40K)
AR-C18LD1
(40K)
Black Developer
AR-C160
AR-C16LD1
(80K)
AR-C18LD1
(80K)
Colour Developer Kit
AR-C150, AR-C160, AR-C250
AR-C15LD9
(40K)
AR-C17LD9
(40K)
Black Developer
AR-C270
N/A
AR-C18LD1
(80K)
Colour Developer Kit
AR-C270
N/A
AR-C17LD9
(40K)
Starter Kit (s)
AR-C150,AR-C250
AR-C160
AR-C25SK1
AR-C16SK1
AR-C16SK1
AR-C18SK1
Developer Unit Kit
AR-DW1
AR-DW1N
Note:
For AR-C150/250 models, the life of AR-C18LD1 is still 40k.
For AR-C150/250 models, the life of AR-C18LD1 is still 40k.
The “Old Type” Developer and Developer Unit will continue to be available for existing AR-C150,160 &
250 models which have not been updated with this image quality enhancement modification.
250 models which have not been updated with this image quality enhancement modification.
Engine Firmware
Because the resistance value of each DV unit has changed, the engine firmware has been updated to
automatically detect whether AR-DW1 or AR-DW1N are installed.
automatically detect whether AR-DW1 or AR-DW1N are installed.
Once the Developer Unit type has been detected, the correct toner correction “look up” table is referenced for
either old or new type developer.
either old or new type developer.
The Developer Unit Type can be viewed using Test Simulation 44-43 (after DV cycle):-
Type 0 = AR-DW1
Type 1 = AR-DW1N
Type 1 = AR-DW1N
Cont’d
Click on the first or last page to see other AR-C250 (serv.man38) service manuals if exist.