LaserJet 5SI HM

The 5Si HM was HP's high-memory configuration of the LaserJet 5Si, aimed at offices pushing complex documents through the queue in the late 1990s. Extra memory meant graphics-heavy jobs printed without slowdowns — the same rugged A3 workgroup engine underneath.

It uses the HP 09A cartridge (C3909A). Compatible 09A toner keeps running costs down, while genuine OEM C3909A delivers HP's original formulation.

Toner Cartridges for LaserJet 5SI HM

This printer works with the following toner cartridges:

• HP C3909A

More HP Printers

• LaserJet 5SI
• LaserJet 5si mopier
• LaserJet 5SI MX
• LaserJet 5SI NX
• LaserJet 8000
• LaserJet 8000DN
• LaserJet 8000MFP
• LaserJet 8000N

Frequently Asked Questions

How do I fix light vertical bands on prints from my HP LaserJet 5SI HM?

Light vertical bands on the HP LaserJet 5SI HM typically trace back to the C3909A cartridge — toner distribution or a worn roller inside the cartridge. Remove the HP 09A cartridge, rock it gently, and reinstall it in the HP LaserJet 5SI HM; if the bands persist with a fresh C3909A, the cartridge was the fix.

Will the HP LaserJet 5SI HM work with a newer computer?

In most cases the HP LaserJet 5SI HM will print from a newer computer using HP's universal print driver or the OS's bundled LaserJet support. Connectivity is the main thing to check on the HP LaserJet 5SI HM — USB or network both work fine with modern ports and adapters.

Which toner cartridge does the HP LaserJet 5SI HM take?

The HP LaserJet 5SI HM takes the HP 09A toner cartridge (C3909A). We stock both compatible HP 09A cartridges and genuine OEM C3909A units for it.