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)
C4557-60045 - Cartridge Latch (Black)
$ 22.16 21623 Holds black ink cartridge in place On Sale

Holds black ink cartridge in place

Save $ 7.00
Was 29.16
C4557-60046 - Cartridge Latch (Color)
$ 15.76 21624 Holds color ink cartridge in place On Sale

Holds color ink cartridge in place

Save $ 4.98
Was 20.74
C5870-40017 - Cluster Gear (Large Gear)
$ 34.19 48357 Mounts on the side of spittoon assembly. Driven by the service station motor assembly On Sale

Mounts on the side of spittoon assembly. Driven by the service station motor assembly

Save $ 10.80
Was 44.99
C6055A - Deluxe Glossy Photo Paper
$ 13.64 48358 A size (8.5 x 11-inches) . 20 sheets per pack, See C6039A On Sale

A size (8.5 x 11-inches) . 20 sheets per pack See C6039A

Save $ 4.31
Was 17.95
C4557-40034 - Drawer CAM
$ 7.87 21612 Short, spring loaded lever attached to the base of the wing frame. Used to draw input tray into position On Sale

Short spring loaded lever attached to the base of the wing frame. Used to draw input tray into position

Save $ 2.49
Was 10.36
C4557-00011 - Drawer Spring
$ 7.87 21596 Holds input drawer in place On Sale

Holds input drawer in place

Save $ 2.49
Was 10.36
C4557-40066 - Drive Shaft With Molded Gears ON Each End
$ 34.19 48360 Drive shaft (Shaft with molded gears on each end) . Mounts inside the service station spittoon assembly On Sale

Drive shaft (Shaft with molded gears on each end) . Mounts inside the service station spittoon assembly

Save $ 10.80
Was 44.99
C2145-00037 - ESD Blade
$ 34.19 48361 Installed between cartridge and carriage PCA (only one used on the color cartridge side) On Sale

Installed between cartridge and carriage PCA (only one used on the color cartridge side)

Save $ 10.80
Was 44.99
C2145-00033 - ESD Spring
$ 7.72 20545 Installed between ESD blade and carriage PC board On Sale

Installed between ESD blade and carriage PC board

Save $ 2.44
Was 10.16
C4557-80019 - Encoder Disk
$ 41.22 48152 On Sale
Save $ 13.02
Was 54.24
C4557-80001 - Encoder Strip
$ 22.16 21628 Clear strip with position marks Used by the sensor in the carriage Assembly to determine position On Sale

Clear strip with position marks Used by the sensor in the carriage Assembly to determine position

Save $ 7.00
Was 29.16
C4557-20020 - Envelope Spring
$ 5.74 21603 Holds envelopes in position for picking On Sale

Holds envelopes in position for picking

Save $ 1.81
Was 7.55
J2591-69001 - External Jetdirect LAN Interface Module With Ethertwist
$ 51.79 14916 Part of J2591A, part of J3297A, (10BASE-T) and Thinlan (10BASE-2) Connectors On Sale

Part of J2591A part of J3297A (10BASE-T) and Thinlan (10BASE-2) Connectors

Save $ 16.35
Was 68.14
J3265-69001 - External Jetdirect LAN Interface Module With Ethertwist
$ 76.57 14942 J3265A, (10Base-T and ThinLAN 10Base-2) input connectors and three parallel (DB-25) output connectors. Does not include Ac Adapter PN 0950-3348 On Sale
J3265A (10Base-T and ThinLAN 10Base-2) input connectors and three parallel (DB-25) output connectors. Does not include Ac Adapter PN 0950-3348
Save $ 24.18
Was 100.75
J3264-61001 - External Jetdirect Token Ring Interface Module
$ 79.76 14938 part of J3264A, (DB-25) Output Connectors with DB-9 and RJ-45 Input Connectors and Three Parallel On Sale

part of J3264A (DB-25) Output Connectors with DB-9 and RJ-45 Input Connectors and Three Parallel

Save $ 25.19
Was 104.95
J3264-69001 - External Jetdirect Token Ring Interface Module
$ 79.76 14939 part of J3264A, (DB-25) Output Connectors with DB-9 and RJ-45 Input Connectors and Three Parallel On Sale

part of J3264A (DB-25) Output Connectors with DB-9 and RJ-45 Input Connectors and Three Parallel

Save $ 25.19
Was 104.95
9170-1655 - Ferrite Core
$ 34.19 48362 Attaches to the head drive flex Cable On Sale

Attaches to the head drive flex Cable

Save $ 10.80
Was 44.99
C6410-40006 - Fine Paper Length Adjuster (Purple)
$ 26.26 22255 Holds paper firmly against the back of the paper input tray On Sale

Holds paper firmly against the back of the paper input tray

Save $ 8.29
Was 34.55
C4557-40095 - Gear Encoder Auth/ ASP
$ 26.20 48151 Encoder gear On Sale

Encoder gear

Save $ 8.27
Was 34.47
C6828A - Greeting Card Paper Pack (Ivory, Matte)
$ 24.97 47579 A size (8.5 x 11-inches) . Felt textured. Includes 20 sheets and 20 envelopes On Sale

A size (8.5 x 11-inches) . Felt textured. Includes 20 sheets and 20 envelopes

Save $ 7.89
Was 32.86