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Epson WF-C5210 Service Manual

Epson WF-C5210
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EPSON WF-C5790/WF-C5790a/WF-C5710/ET-8700/WF-C5210/WF-C5290/WF-C5290a Revision A
Configuration and operating principles Operating principles 54
Confidential
Operation of the rear feeding mechanism
Drive force control by the ASF Clutch Gear and Rear ASF Solenoid Assy
The Rear ASF Solenoid Assy controls the operation of the Change
Lever by electrifying the Solenoid.
1
The relationship of the electrifying
status of the Solenoid and the status of the Change Lever is as follow.
When the Change Lever engages with (or locks) the hook on the ASF
Clutch Gear, the clutch of ASF Clutch Gear is cut off and the ASF
Motor's drive force is not transmitted to the LD Roller.
When the Change Lever releases (unlocks for driving the rear feeding)
the hook on the ASF Clutch Gear, the clutch of ASF Clutch Gear
engages and the ASF Motor's drive force is transmitted to the LD Roller.
When performing the rear feed
When the printer starts performing the rear feed, the Solenoid of the
Rear ASF Solenoid Assy is electrified and the Change Lever is moved
down to unlock the hook. Then the clutch of the ASF Clutch Gear
engages and the drive force of the ASF Motor is transmitted to the LD
Roller. After the lock is released, the ASF Motor drives the ASF
Clutch Gear and LD Roller to move the hook on the ASF Clutch Gear
away from the lock position.
Therefore, when electrifying the Solenoid is stopped and the Change
Lever is back to the original position, the hook on the ASF Clutch Gear
is positioned lower than the Change Lever due to the rotation of the LD
Roller and not going to be locked again.
After electrifying the Solenoid is stopped, the ASF Motor rotates
clockwise further and the LD Roller rotates in the paper feed direction.
A sheet of paper set on the Hopper is separated by the LD Roller and
Retard Roller and fed to the intermediate feeding mechanism.
When the LD Roller rotates once, the Change Lever engages with the
hook on the ASF Clutch Gear and the roller is locked. Then, the ASF
Motor's drive force to the LD Roller is cut off and the rear feed process
is complete.
2
Figure 3-33. Operation of the rear feeding mechanism
1. Equipped with a pull type Solenoid in which the magnetic body id pulled by the electromagnetic force.
Table 3-21. Electrifying status of the Solenoid and the operation of the Change Lever
Electrifying status of the Solenoid Electrified Not electrified
Change lever Unlocked Locked
2. The LD Roller is D-shaped. This shape allows the LD Roller and Retard Roller to release the paper when the
paper reaches the intermediate feeding mechanism so as not to affect the paper feeding process of the
intermediate feeding mechanism.
The lock of the
Change Lever is
disengaged
Sideview of rear feeding
mechanism: Locked
(When solenoid is not electrified)
ASF Clutch Gear
Solenoid
Hook
Change Lever
Sideview of rear feeding
mechanism: Unlocked
(When solenoid is electrified)
Sideview of rear feeding mechanism:
When rear feed is driven
(When solenoid is not electrified)

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Epson WF-C5210 Specifications

General IconGeneral
Print Resolution4800 x 1200 dpi
Duplex PrintingYes
ConnectivityUSB, Ethernet, Wi-Fi, Wi-Fi Direct
Operating System SupportWindows, Mac OS, Linux
FunctionsPrint
Ink TypeDURABrite Ultra Pigment Ink
Ink ColorsBlack, Cyan, Magenta, Yellow
Print TechnologyPrecisionCore
Monthly Duty Cycle45, 000 pages
Paper SizesA4, A5, A6, B5, Letter, Legal, Envelopes
Display2.4" color LCD
Print SpeedUp to 24 ppm (black/color)
Input Tray Capacity250 sheets

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