Ricoh DD 5450, Field Service Manual, Page: 241 / 403

239
５
Chapter 5 Drum Driving Section
4 Drum Driving Section
(1) Adjusting the Drum Stop Position
Adjustment procedure
1. Press the drum removal button.
At the drum removal position, a bleep sounds.
● Adjusting the drum removal position
must be performed AFTER printing
speed adjustment is complete.
Before adjustment
→ See page 253
● Do not touch the drum or rolls when
operating the drum removal button.
● Do not put your hands or fingers inside the
machine during operation. They could be
caught up or crushed in the machinery,
resulting in injury.
WARNING
● For description of operation
Standard position
● The stop position is correctly adjusted when the groove
in the drum flange is aligned with the stopper.
● The master detachment position is determined
by adjusting the drum removal position. Only
check the master detachment position.
● When the master ejection section is opened,the
drum does not stop at the drum removal
position even if the drum removal button is
pressed. Close the master ejection section
and then press the drum removal button for
adjustment.
If the drum is not adjusted to the standard stop
detect edge position:
When removing the drum, adjust the drum removal
position sensor so that the stopper is placed in the
groove center
Screw
Stopper
→ See page 140
Drum position 1
sensor
Groove
Close the ejection
box for adjustment.
speed decreases
speed increases
IMPORTANT
IMPORTANT:
LED: Lights up
4
REFERENCE
Drum removal
button