Control Main Parts Of The Finisher Stapler; Transport; Compiler - Epson EPL-N4000 Service Manual

EPSON EPL-N4000/EPL-N4000+ Optional Finisher Stapler

2.1.2 Control Main Parts of the Finisher Stapler

Finisher PWB
LVPS PWB sends sensor data in the Finisher Stapler to MCU of the
printer. Commands from the MCU of the base engine is transferred to
the Finisher PWB and controls over respective components of the
Finisher Stapler.


HCS Low Voltage Power Supply
Generates +5VDC and +24VDC from 100VAC.


Unload While Run Switch and LED
This switch is for user to interrupt Finisher Stapler when it is
proceeding its job.
LED flashes when interruption is made.


Finisher Interlock Sensor
Supervises that the door of the Finisher Stapler is not open.


Front Cover Interlock Switch
When Front Cover is open, shut off 24VDC.


Compiler Cover Safety Switch
When Compiler Cover is open, shut off 24VDC.


Top Tray Safety Switch
Detects if there are any obstructions under the Top Tray and shut off
+24VDC and stop the Elevator Motor.


Middle Tray Safety Switch
Detects if there are any obstructions under the Middle Tray and shut
off +24VDC and stop the Elevator Motor. Top Tray Safety Switch and
Middle Tray Safety Switch are connected in series.

2.1.2.1 Transport

Shift paper from DDC to Compiler.


IN Gate Solenoid
Alternate the direction of IN Gate.


IN Gate Interlock Sensor
Supervises the position of IN Gate. (Up/Down)


Transport Entrance Sensor
Supervises paper passing to Transport Assembly.
Operating Principles


IOT Full Paper Sensor
Supervises the amount of paper on the eject tray of the printer.


Transport Exit Sensor
Supervises paper passing from Transport Assembly.


Transport Interlock Sensor
Supervises the condition of the Transport Cover.


Transport Motor
Drives Transport Rolls.

2.1.2.2 Compiler

Compiler arranges paper as set.


Tamper Motor
Drives Tamper which pushes paper to the end.


Tamper Home Sensor
Supervises the position of the Tamper.
Figure 2-2. Tamper/Tamper Home Sensor


Compiler Tray Up/Down Solenoid
Slant Compiler Tray when the amount of paper has reached twenty
five.
Power Supply
Revision A
16