Savin SDC103A Service Manual download pdf (Page 167)

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When copying on A4/Letter size sideways paper or shorter, there is enough

time for the revolver to move the second color development section into

position before the next transfer belt home position is detected. However,

when copying on paper that is longer than A4 sideways, there is no time to

do this within the same transfer belt rotation (the non-image area on the belt

is too short). Therefore, the transfer belt has to make an extra rotation, and

the revolver rotates the next time that the area of the drum at the revolver

corresponds to a non-image area on the belt. Then, the next time transfer

belt home position is detected, the laser can write to the drum. In summary,

copy paper longer than A4/LT sideways needs an extra belt rotation, so

copying takes longer.

6. Between copies of a multi-copy run, the revolver has to rotate 270

degrees to move the first color section back into position (the revolver

cannot rotate in reverse). The transfer belt rotates once while this is

done, so there is also a belt rotation between copies, even when copying

on paper A4 sideways or shorter.

7. At the completion of the copy run, the development home positioning

routine is done.

3. 2C Mode for Green

1. After the start key has been pressed, the drum motor starts, and the

drum and transfer belt turn.

2. The revolver motor then moves the Cyan development section into

position. The revolver has to turn 90 degrees.

3. The next time the transfer belt reaches home position, the laser starts to

write the image data for Cyan to the drum.

4. When the drum rotates past the transfer belt, the transfer bias pulls the

toner image off the drum and onto the belt.

TRANSFER BELT UNIT

A166/A187/A189 2-98 SM

CÓPIA NÃO CONTROLADA

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Savin SDC103A Service Manual Page 167

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