Parts-HQ is a market leading supplier of replacement parts for a diverse range of products – from consumer electronics and appliances. Through distribution facilities strategically located throughout the world, Parts-HQ supplies new, refurbished exact and compatible alternative parts for nearly 200 top manufacturer brands. With the largest multi-vendor parts inventory in the industry, we provide access to 8+ million parts in our database, helping to ensure you get the parts you need, when you need them.

Filters

Clear All
Price
to

Less than $25

$25-49.99

$50-74.99

$75-99.99

Over $100

Hewlett-Packard (HP) DeskJet 840C Printer Parts

Model Number Finder

Shop for Your Specific model to find parts that fit
  • Showing 176 Product(s)
0957-2229 - AC Adapter (12V/ 1.25 AH/ 15W) With Power Cord
$ 27.76 111621 Wall mount power supply module 220-250VAC input, 47-53Hz 13VDC output, 800mA, 10.4W. BPA-202-12U, HU10281-5001A On Sale

Wall mount power supply module 220-250VAC input 47-53Hz 13VDC output 800mA 10.4W. BPA-202-12U HU10281-5001A

Save $ 8.77
Was 36.53
9100-5168 - AC Adapter (12V/ 1.25 AH/ 15W) With Power Cord
$ 19.75 576013 Wall mount power supply module 220-250VAC input, 47-53Hz 13VDC output, 800mA, 10.4W. BPA-202-12U, HU10281-5001A Hewlett-Packard (HP) On Sale

Wall mount power supply module 220-250VAC input 47-53Hz 13VDC output 800mA 10.4W. BPA-202-12U HU10281-5001A

Save $ 6.24
Was 25.99
8120-8337 - AC Power Cord (Australia)
$ 15.76 48373 2-wire, 1.8m (6.0ft) long. Has straight (F) C7 receptacle (240V in Australia and Zealand) On Sale

2-wire 1.8m (6.0ft) long. Has straight (F) C7 receptacle (240V in Australia and Zealand)

Save $ 4.98
Was 20.74
Q7852A - Advanced Glossy Photo Paper
$ 28.57 47614 A size (8.5 x 11-inches) . 25 sheets On Sale

A size (8.5 x 11-inches) . 25 sheets

Save $ 9.02
Was 37.59
C4557-40014 - Back Plate
$ 21.37 21606 Holds Latch Spring, Knob and Latch Components of Rear Cleanout Assembly On Sale

Holds Latch Spring Knob and Latch Components of Rear Cleanout Assembly

Save $ 6.75
Was 28.12
C6411-40006 - Banner Lever
$ 40.06 22261 Used to choose either single sheet paper or continuous feed (Banner) paper On Sale

Used to choose either single sheet paper or continuous feed (Banner) paper

Save $ 12.65
Was 52.71
C1820A - Banner Paper
$ 135.76 48351 A size (8.5 x 11-inches), 24 lb, perforated for easy separation. 100 sheets total per pack (5 stacks of 20 continuous sheets) On Sale

A size (8.5 x 11-inches) 24 lb perforated for easy separation. 100 sheets total per pack (5 stacks of 20 continuous sheets)

Save $ 42.87
Was 178.63
C1821A - Banner Paper
$ 17.77 48352 A4 size (21.0cm x 29.7cm), 24 lb, perforated for easy separation. 100 sheets total per pack (5 stacks of 20 continuous sheets) On Sale

A4 size (21.0cm x 29.7cm) 24 lb perforated for easy separation. 100 sheets total per pack (5 stacks of 20 continuous sheets)

Save $ 5.61
Was 23.38
C6409-40028 - Belt Attachment Plate
$ 5.74 22242 Mounted to back of Ink Cartridge Carriage Assembly. Used to attach the Carriage Drive Belt On Sale

Mounted to back of Ink Cartridge Carriage Assembly. Used to attach the Carriage Drive Belt

Save $ 1.81
Was 7.55
C5976A - Bright White Inkjet Paper
$ 14.13 48353 A size (8.5 x 11-inches) . 200 sheets per package, See C5976B On Sale

A size (8.5 x 11-inches) . 200 sheets per package See C5976B

Save $ 4.46
Was 18.59
C1824A - Bright White Inkjet Paper
$ 14.13 47562 A size (8.5 x 11-inches) . 500 sheets per package On Sale

A size (8.5 x 11-inches) . 500 sheets per package

Save $ 4.46
Was 18.59
C5977A - Bright White Inkjet Paper
$ 24.97 47563 A4 size (21.0cm x 29.7cm) . 200 sheets per package On Sale

A4 size (21.0cm x 29.7cm) . 200 sheets per package

Save $ 7.89
Was 32.86
C1825A - Bright White Inkjet Paper
$ 21.37 47564 A4 size (21.0cm x 29.7cm) . 500 sheets per package On Sale

A4 size (21.0cm x 29.7cm) . 500 sheets per package

Save $ 6.75
Was 28.12
C5976B - Bright White Inkjet Paper
$ 14.13 47561 A size (8.5 x 11-inches) . 250 sheets per package On Sale

A size (8.5 x 11-inches) . 250 sheets per package

Save $ 4.46
Was 18.59
C6817A - Brochure and Flyer Paper
$ 21.37 47658 Glossy on both sides. A size (8.5 x 11-inches), 48lb bond, 98 brightness. 50 sheets per box On Sale

Glossy on both sides. A size (8.5 x 11-inches) 48lb bond 98 brightness. 50 sheets per box

Save $ 6.75
Was 28.12
C4557-40068 - Cap Vent
$ 23.09 48355 For equalizing the print cartridge capping pressure. Mounts under the sled cap assembly (two used) On Sale

For equalizing the print cartridge capping pressure. Mounts under the sled cap assembly (two used)

Save $ 7.29
Was 30.38
C4557-80075 - Carriage Assembly Flex Cable
$ 79.76 48356 40.3cm (15.9in) long. From main logic PC board to ink cartridge carriage PC board On Sale

40.3cm (15.9in) long. From main logic PC board to ink cartridge carriage PC board

Save $ 25.19
Was 104.95
C4557-40049 - Carriage Drive Belt

Warranty Information: Returnable only if item is not installed and packaged still sealed otherwise it is NOT returnable.

Quote
C4557-20015 - Carriage ROD

Shaft that the carriage assembly rides on - This item should be replaced only by trained experienced service personnel

Quote
C6409-40021 - Carriage ROD Adjuster
$ 35.74 22240 Used to support and align the carriage rod (2 used) . This item should be replaced only by trained, experienced service personnel On Sale

Used to support and align the carriage rod (2 used) . This item should be replaced only by trained experienced service personnel

Save $ 11.29
Was 47.03