Ricoh C249, Service Manual

Page: 412 / 486

TIMING CHART
C267 6-58 SM
Master feed (1) The clamper motor turns to open the clamper. (2) When the clamper is open, the master
feed motor turns on. The master feed
motor feeds the master at 45 mm.
(3) After 2.0 seconds, the clamper
motor turns to close the clamper.
(4) When the clamper is closed, the duct plate motor tu
rns to move the duct plate to the open position.
(5) The duct fan motors and t
he blower fan motor turn on.
(6) When the master feed motor ha
s fed the master 430 mm (A4: 3
20
mm), the
main moto
r turns
on.
(7) The duct plate motor turns to contact with the
master push mylar to the master on the drum.
(8) When the master feed motor ha
s fed the master 540 mm (A4: 3
40
mm), the
master fee
d motor s
to
ps, and the master is c
ut.
(9) When the cutter has cut the master, the duct plate motor turn
s to release the master push
mylar. Them the duct plate
moves to the middle position.
(10)
When the drum is at the ma
ster ej
ect position sensor, the t
hermal head driving motor turns on.
(11)
When the drum is at the master ej
ect pos
ition plus 56 degree, the speed goes to 45 rpm.