DOWNLOAD Sharp AM-300 (serv.man7) Service Manual ↓ Size: 1.18 MB | Pages: 23 in PDF or view online for FREE

Model
AM-300 (serv.man7)
Pages
23
Size
1.18 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Chapter 3 (Mechanical Description).
File
am-300-sm7.pdf
Date
PREV: Sharp AM-300 (serv.man6) Service Manual

Sharp AM-300 (serv.man7) Service Manual ▷ View online

AM-300DE
3 – 4
7. Scanner drive block and diagram
7.1. Overall layout
7.2. Gear layout
Drive switching unit
A
Pin
System gear
Gear
Hold lever
Hold rib
Scanner unit
Home position sensor
Lever
(drive source)
Motor gear
Scan unit drive side gear train
Sheet scan drive side gear train
Drive belt
Scan unit locking lever
System gear
Planet gear A
Planet gear B
System gear biasing spring
AM-300DE
3 – 5
7.3. Fixed scan mode
7.4. Sheet scan mode
Scan unit drive side gear train
Sheet scan drive side gear train
Scan unit locking lever
System gear
Planet gear A
Planet gear B
System gear biasing spring
(drive source)
Motor gear
Counterclockwise rotation: The scanner unit
moves toward the sheet scan position.
(Clockwise rotation: The scanner unit
moves toward the fixed scan position.)
(Scanner unit)
Locking rib
Counterclockwise rotation: Sheets
are fed to the sheet scan section.
System gear biasing spring
Scan unit drive side gear train
Sheet scan drive side gear train
Scan unit locking lever
System gear
Planet gear A
Planet gear B
(drive source)
Motor gear
AM-300DE
3 – 6
7.5. Switching operation (1) from the sheet scan mode to the fixed scan mode
The planet gear A moves toward the scan unit drive side gear and
stops at the intermediate position because the pin A on the planet gear
A mounting arm is restricted its movement by the cam groove A. The
planet gear B moves into engagement with the system gear so that the
system gear rotates. Along with the rotation of the system gear, the
scan unit locking lever starts rotating in the release direction.
7.6. Switching operation (2) from the sheet scan mode to the fixed scan mode
Rotation of the system gear releases the pin A on the planet gear A
mounting arm from the cam groove A, and the planetary gear A is
engaged with the scan unit drive side gear. The scan unit starts mov-
ing toward the fixed scan side.
(Scanner unit)
Locking rib
System gear biasing spring
Scan unit drive side gear train
Sheet scan drive side gear train
Scan unit locking lever
System gear
Planet gear A
Planet gear B
Motor gear
(drive source)
Clockwise rotation:
switching operation
Clockwise rotation:
switching operation
Motor gear
(drive source)
Planet gear B
Planet gear A
System gear
Scan unit locking lever
Sheet scan drive side gear train
Scan unit drive side gear train
Locking rib
(Scanner unit)
System gear biasing spring
AM-300DE
3 – 7
7.7. Switching operation (3) from the sheet scan mode to the fixed scan mode
Due to the system gear rotation, the pin B is guided in the cam groove
B to turn the planet gear B mounting arm. The planet gear B is disen-
gaged from the system gear, and the system gear loses its power.
7.8. Switching operation (4) from the sheet scan mode to the fixed scan mode
The system gear is driven by the system gear biasing spring until it
reaches the stopper at the release position of the scan unit locking
lever.
(Scanner unit)
Locking rib
Scan unit drive side gear train
Sheet scan drive side gear train
Scan unit locking lever
System gear
Planet gear A
Planet gear B
(drive source)
Motor gear
Clockwise rotation:
switching operation
System gear biasing spring
Counterclockwise rotation: The scanner
unit moves toward the sheet scan position.
(Clockwise rotation: The scanner
unit moves toward the fixed scan position.)
Motor gear
(drive source)
System gear biasing spring
Planet gear B
Planet gear A
System gear
Scan unit locking lever
Sheet scan drive side gear train
Scan unit drive side gear train
Page of 23
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Sharp AM-300 (serv.man7) Service Manual ▷ Download

  • DOWNLOAD Sharp AM-300 (serv.man7) Service Manual ↓ Size: 1.18 MB | Pages: 23 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp AM-300 (serv.man7) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp AM-300 (serv.man7) Copying Equipment. Information contained in Sharp AM-300 (serv.man7) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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