Immediate Transmission; Jbig Transmission - Ricoh B064 SERIES Service Manual

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VIDEO DATA PATH

Immediate Transmission

The base copier's scanner scans the original at the resolution agreed with the

receiving terminal. The BICU video processes the data and transfers it to the FCU.

NOTE: When scanning a fax original, the BICU uses the MTF, independent dot

erase and thresholding parameter settings programmed in the fax unit's

scanner bit switches, not the copier's SP modes.

Then the FCU stores the data in page memory, and compresses the data for

transmission. The NCU transmits the data to the line.

• Memory transmission: If the receiver has JBIG compression, the data goes

from the DCR to the QM-Coder. Then the NCU transmits the data to the line.

When an optional G3 unit (SG3) is installed and PSTN2 is selected as the line

type, JBIG compression is available, but only for the PSTN-2 line.

• Immediate transmission: If the receiver has JBIG compression, the data goes

from the page memory to the QM-Coder. Then the NCU transmits the data to the

line. When an optional G3 unit (SG3) is installed and PSTN2 is selected as the

line type, JBIG compression is available, but only for the PSTN-2 line.

Priority for the line used for G3 transmissions (PSTN 1/PSTN 2 or 3):

System switch 16 bit 1

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