3-9
Confidential
- Paper feed roller (shown on page 3-38):
This roller performs paper registration and feeds paper to
the printing section precisely.
- Paper ejection roller (shown on page 3-37):
This roller ejects paper and keeps paper tension tight.
- ASF motor* (shown on page 3-38):
This motor pulls in paper, switches the paper feed operation
modes, and drives the head capping mechanism and
carriage lock mechanism of the maintenance unit.
- Paper feed motor (shown on page 3-38):
This motor feeds recording paper and drives the purge
mechanism, air removing mechanism and head wiper
mechanism of the maintenance unit.
- Clutch gears L and R (shown on page 3-38):
Clutch gear L switches the transmission route of the ASF
motor rotation between the paper pulling-in mechanism and
the head capping & carriage lock mechanisms.
Clutch gear R transmits the rotational torque of the paper
feed motor to the purge gear (for purge, air removing and
head wiper mechanisms).
- ASF rotary encoder: This generates a signal indicating the rotation speed of the
ASF motor shaft. The signal is sent to the controller and
used for controlling the paper pull-in position and speed.
- PF rotary encoder: This generates a signal indicating the rotation speed of the
PF roller gear. The signal is sent to the controller and used
for controlling the paper feed position and speed.
*ASF motor: Auto Sheet Feeder motor
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