Sony BVW-55 Maintenance Manual page 242

3-6. Video Head Cleaner Replacement
(2) Confirm that the gear of the VH cleaner
assembly is engaged with the gear of the gear
box when the manual eject knob is pushed
down.
4. Operation check
Check that the cleaning roller touches to the
drum, or releases from the drum the drum when
the manual eject knob is turned clockwise and
counterclockwise.
3-30
VH cleaner assembly
Gear of gear box
Engaging
Manual eject knob
(push down)
BVW-55 P2