57- And 19-Tooth Gears And Drum Drive Shti - HP LaserJet II Serie Manual De Instrucciones

HP 33440/HP 33449 COMBINED SERVICE MANUAL
57- and 19-Tooth Gears and Drum Drive Shaft
Before the 57- and 19-Tooth Gears Ooeated at the ends of the Drum Drive Shaft) can be removed
(see Fi~re 6-17), seved adjacent assemblies must be removed.
1.
2.
3.
4.
After removing the Main Motor Assembly (above), remove the High-Voltage Power Supply
&sembly, Registration Assembly, and Trantier Corona Assembly.
Use neede-nose pliers or a small flat-blade screwdriver to remove the C-clip from the lefi
finside) end of the (drum drive) gear shaft.
Pun the bearing off the lefi end of the shti.
Pull the shti out the right side opening, leting the gears drop off the sM. Since the gears
and shti are keyed, they may have to be rotitid to remove the shti.
When replacing the gears, note that the 19-Tooth Gear can only be instiled in one direction. The
57-Tooth Gear can be intied on the shti either way.
)
s
e
Hole
Figure 6-f17. 57- and 19-Tooth Gears and Drum Drive Shaft
6-22