HP LaserJet 3150 All-in-One Printer series - Manual (Page 65)

EN Managing HP LaserJet toner cartridges 63
Extending toner life by
redistributing toner
Areas of faded print are often an
indicator that the toner cartridge is near
the end of its toner life. You can
temporarily re-establish print quality by
redistributing the remaining toner in the
cartridge. (This is typically successful
only one time.)
To redistribute toner
1 Use the two latches on the printer
door to pull it open.
2 Using the handle on the toner
cartridge, remove the toner
cartridge from the HP LaserJet
3150 product.
3 Shake the toner cartridge from side
to side about two times per second
to distribute the toner evenly.
4 Reinsert the toner cartridge and
close the door.
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