Knocking Solenoid - Ricoh FT7770 Service Manual

30
April, '89

Knocking Solenoid

4.
The knocking solenoid vibrates the cover of the development unit to prevent
toner from building up under the upper cover or the brush seal. It is ener-
gized once each copy cycle.
start timing; so, any toner that is knocked loose settles before the copy
paper arrives and, therefore, has no effect on the copy image.
Knocking Sol.
Scanner
Actuation timing is shortly before scanner
2-28