Brother HL 1240 - B/W Laser Printer Service Manual page 268

Periodic maintenance parts
To maintain print quality, the fixing unit should be replaced after printing the
following number of pages.
Item
Fixing unit
Separator pad holder
assy
Pick up roller assy
* The actual number of printed pages may vary depending on your average type of
print job and type of paper. The figures quoted are based upon 5% coverage per
page.
Approximate life
50,000 pages *
50,000 pages *
50,000 pages *
3-2
To purchase replacement
Call customer support
Call customer support
Call customer support