Tech Resources

Articles and Technotes

OEM or Aftermarket?
How to distinguish the HP4000 separation roller

HP LaserJet 4000
RF5-1885
The Upgrade to the 2490 with Multi-fingered inner core 		RF5-2490
One "U-shaped" finger on inner core


RF5-1885 (The Upgrade to the 2490 with Multi-finger inner core)
The OEM
  • Double bar code on box
  • Box is about 1"x 2", cardboard color
  • Number ends in 000 (RF5-1885-000)
 The AFT
  • Box is about 2"x 2"- tan in color (may be white)
  • Number ends CLN (RF5-1885-CLN)


RF5-2490 (One "U-shaped" finger on inner core)
The OEM
  • Square, cardboard color box
  • Number ends 000
  • Roller wrapped in plastic
  • Roller is light grey
 The AFT
  • White box, roller wrapped in tissue paper
  • Number ends CLN
  • Roller is dark grey

The 4000 separation roller is in use in the following models (parts)


back