These printers use the CC640WN cartridge:

HP DeskJet D-1660

HP DeskJet D-2500

HP DeskJet D-2500 Series

HP DeskJet D-2530

HP DeskJet D-2545

HP DeskJet D-2560

HP DeskJet D-2563

HP DeskJet D-2566

HP DeskJet D-2568

HP DeskJet D-2660

HP DeskJet D-2680

HP DeskJet F-2430

HP DeskJet F-2480

HP DeskJet F-4200

HP DeskJet F-4200 All In One

HP DeskJet F-4200 Series

HP DeskJet F-4210

HP DeskJet F-4213

HP DeskJet F-4230

HP DeskJet F-4235

HP DeskJet F-4240

HP DeskJet F-4250

HP DeskJet F-4272

HP DeskJet F-4273

HP DeskJet F-4274

HP DeskJet F-4275

HP DeskJet F-4280

HP DeskJet F-4283

HP DeskJet F-4288

HP DeskJet F-4292

HP DeskJet F-4293

HP DeskJet F-4400

HP DeskJet F-4400 Series

HP DeskJet F-4435

HP DeskJet F-4440

HP DeskJet F-4480

HP DeskJet F-4580

HP Envy 100 E All In One - D410A

HP Envy 100 E All In One - D410B

HP Envy 110 E All In One - D411A

HP Envy 110 E All In One - D411B

HP Envy 111 E All In One - D411D

HP Envy 114 E All In One - D411C

HP Envy 120 E-All In One

HP Envy 121 E-All In One

HP PhotoSmart C-4600

HP PhotoSmart C-4600 Series

HP PhotoSmart C-4610

HP PhotoSmart C-4635

HP PhotoSmart C-4640

HP PhotoSmart C-4650

HP PhotoSmart C-4670

HP PhotoSmart C-4673

HP PhotoSmart C-4680

HP PhotoSmart C-4683

HP PhotoSmart C-4685

HP PhotoSmart C-4688

HP PhotoSmart C-4700

HP PhotoSmart C-4700 Series

HP PhotoSmart C-4740

HP PhotoSmart C-4750

HP PhotoSmart C-4780

HP PhotoSmart C-4783

HP PhotoSmart C-4785

HP PhotoSmart C-4788

HP PhotoSmart C-4793

HP PhotoSmart C-4795

HP PhotoSmart C-4798

HP PhotoSmart C-4799

HP PhotoSmart e All In One D-110

HP PhotoSmart e-All-In-One

HP PhotoSmart e-All-In-One D110A