Duplo DF-920 Maintenance Manual page 22

2-2-7. Adjusting the stopping position of the paper feed tray when rising/descending and paper
stacking amount
DF-920
To ensure paper stacking amount which can satisfy specifications, adjust the stopping position (motor drive range) of
the paper feed tray during automatic up/down.
Perform adjustments as follows without the paper feed tray automatic up/down drive gear of section "2-2-5" secured.
q Move the switch bracket for the length of the long
hole and adjust so that when the up/down lever is
pressed down to the lower limit, the actuator of the
lower limit detection microswitch turns ON the switch,
and a clearance of 0.7 ± 0.1 mm (0.028" ± 0.004") is
formed at the position shown in the figure.
w Move the switch bracket for the length of the long
hole and adjust so that when the up/down lever is
pressed up to the upper limit, the actuator of the
upper limit detection microswitch turns ON the switch,
and a clearance of 0.8 ± 0.1 mm (0.031" ± 0.004") is
formed at the position shown in the figure.
e Tighten the set screw of the drive gear D cut, and
lower the paper feed tray to the lower limit position
from the control panel.
r Rotate the eccentric shaft and adjust so that the
paper feed tray stops at a depth of 45 ± 1 mm (1.77" ±
0.04") from the bent part of the lower paper feed inlet.
The paper stacking amount given in specifications is
500 sheets (approximately 44 mm (1.73")) for fine
2
quality paper 64 g/m
1-20
(16 lb).
When the paper feed tray descends
When the paper feed tray rises
12H-M12M0-0309-0