You are Looking at a High Quality Brand New AC Adapter For HP Photosmart 0957-2231 C4280 

Specification:

Input: AC 100-240V / 50-60 HZ
Output: DC 32V£¬ 2.2A

Specific features:
 
This high quality adapter helps to save more than 80% power exchange. 
With low ripple and noise, you can concentrate on your working or studying. 
It is perfectly compatible with your device.

Safety Approval: UL CE

Included with your purchase:

1* AC adapter
1* Power Cord

Guarantee and warranty: 6 months replacement warranty

Compatible list (P/Ns and Models):

0950-4397 , 0950-4392,0957-2231,0950-4476,0950-2105 

C6436-60002

HP DJ 3500, 3600, 3700 , 3840 , 3745, 3845 SERIES

DeskJet 3500 Series C8991A, C8991C, C8992A, C8994A, C8994C, C8995A, C8996A 
DeskJet 3600 series C8974A, C8974C, C9004A, C9005A, C9013A 
DeskJet 3840 Series C9037AR, C9037A, C9038D, C9039A, C9040A, C9073A 
DeskJet 3700 Series C9025AR, C9025A, C9025B, C9026A, C9027D, C9043A, C9044A, C9044G 
DeskJet 3745 
DeskJet 3845