Sharp AR-810 Manual de servicio descargar pdf (Pagina 63)

AR-651/810 GENERAL OPERATIONS 4 - 2

4. 2. 2. Standby state (ready for copying)

• Keys on control panel enabled

• When no key is pressed for a certain period of time:

~ Set number “1” and reproduction ratio “100%” displayed and copier returning to normal standby

state

4. 2. 3. Cassette feed copying with [START] key ON

(1) [START] key ON

• “READY” display changed to “COPYING”

• Main charger, developer bias and discharge lamp turned ON/Each fan rotating at a high speed

• Drum, transfer belt, fuser unit and developer unit rotating

(2) Cassette paper feeding

• Feed motor and feed clutch turned ON

~ Pickup roller, feed roller and transport roller rotating

• Paper reaching transport roller

~ Cassette transport sensor turned ON

• Feed clutch turned OFF after a certain period of time

• Paper reaching registration roller

~ Registration sensor turned ON and aligning performed

• Feed motor stopping after a certain period of time

(3) Carriage operation

• Exposure lamp turned ON → White shading compensation is carried out.

• Scanning motor turned ON → Carriages 1 and 2 start to advance.

• Copier entering toner supply operation with developer material toner density being lower than pre-set

value

(4) In a certain time after carriage operation:

• Registration motor turned ON → Paper is sent to the transfer section.

• Copies counted

(5) In a certain time after registration motor is turned ON:

• Transfer charger ON

(6) Carriage scanning termination

• Scanning motor turned OFF

• Exposure lamp turned OFF

• Registration motor turned OFF (after paper trailing edge has passed registration sensor)

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Sharp AR-810 Manual de servicio Pagina 63