Universal AC power adapter - wide-range, 40c - Requires separate country-specific power cord with C7 connector
IEEE 1284 Bi-Tronics parallel cable - DB-25 (M) connector (type A) to 36-pin high density IEEE 1284C (M) connector (type C) - 3.0m (9.8ft) long -- Mini Connector
IEEE 1284 Bi-Tronics parallel cable - DB-25 (M) connector (type A) to 36-pin high density IEEE 1284C (M) connector (type C) - 10m (33ft) long
Feeder guide assembly - Ribbed plastic plate with sensor lever and media roller assembly
Top door latch bar
LaserJet 4L/4ML/4P/4MP/5P/5MP/6P/6MP combined service manual (English)
2MB, 32-bit SIMM memory module
2MB, 70nS, 36-bit SIMM memory module - For HP LaserJet 4P, 4+, 4V, 5, 5N, 5M, 5P, 5Si
4MB, 70nS, 36-bit parity SIMM memory module
4MB, 70nS, 36-bit SIMM memory module - For HP LaserJet 4P, 4+, 4V, 5, 5N, 5M, 5P, 5Si
8MB, 70nS, 36-bit parity SIMM memory module
8MB, 70nS, 36-bit SIMM memory module - For HP LaserJet 4P, 4+, 4V, 5, 5N, 5M, 5P, 5Si
16MB SIMM memory module
External JetDirect LAN interface module with EtherTwist (10Base-T) and ThinLAN (10Base-2) connectors
External token ring interface module - Has DB-9 connector
External JetDirect LAN interface module with RJ-45 connector for EtherTwist (10Base-T) or 100VG/802.12 input and three parallel (DB-25) output connectors
External JetDirect LAN interface module with EtherTwist (10Base-T) connector
Main motor assembly
Separation pad (Rectangular) - For multipurpose tray input
Formatter (Main Logic) Board
DC controller/power supply board - For 100 to 120V operation
External JetDirect token ring interface module with DB-9 and RJ-45 input connectors and three parallel (DB-25) output connectors
HP JetDirect 500X external token ring print server module - Interfaces up to 3 parallel printers to an ethernet 10Base-T (RJ-45), 10Base2 (BNC), or 100Base-TX (RJ-45) LAN
Paper pickup assembly - Includes D-shaped pickup roller and solenoid
PostScript level two SIMM module
Power cord (Mint Gray) - 17 AWG, 2.3m (7.5ft) long - Has straight (F) receptacle (for 240V in the UK, Hong Kong, Singapore, Malaysia, and Brunei)
Power cord (Mint Gray) - 17 AWG, 2.0m (6.6ft) long - Has straight (F) receptacle (for 240V in Australia, New Zealand, and China)
Power cord (Mint Gray) - 17 AWG, 2.0m (6.6ft) long - Has straight (F) receptacle (for 220V in Europe, Bangladesh, Indonesia, Pakistan, Burma, Sri Lanka, and Vietnam)
Power cord (Mint Gray) - 2.0m (6.6ft) long - Has straight (F) receptacle (for 220V in Switzerland)
Daisy chain power cord (Dove Gray) - 18 AWG, 1.2m (4.0ft) long - Has C14 (M) plug for power input and C13 (F) plug for power output
Power cord (Flint Gray) - 18 AWG, 1.8m (6.0ft) long - Has 90 degree (F) C13 receptacle (For 120VAC in the United States, Canada, Latin America, Korea, Taiwan, and Thailand)
Wall mount power supply module - 120VAC input 60Hz power supply AC DC 15W UNIVERSAL ADAPTER Power module (wall mount)- Input voltage 100-240 VAC - Output voltage 12 VDC, 15 watts output, 1.0A - for Jet Direct power and other accessories.
Pickup roller (oval shaped) - Located in multipurpose paper tray pickup assembly
Pickup roller (D-shaped) - Located in universal cassette pickup assembly
Lower roller assembly (L-shaped) - For top cover output
Upper roller - Shaft with 4 rollers - For top cover output
Photo sensor for HP Color LaserJet 8550
Compression spring - For top cover latch bar
Stop plate (Green) - For paper length - In universal cassette