Bit Switch 2
BIT
FUNCTION
DATA
COMMENTS
Initial Tx modem rate
0
Bit 1 Bit 0 Setting
These bits set the initial starting modem rate for transmission.
0 0
9600 bps
The rate may fall back to a slower rate depending on line con-
1
0 1
7200 bps
ditions and the remote terminal.
1 0
4800 bps
1 1
2400 bps
2
ECM in tx mode
0: Enabled
The setting of this bit is changed by Function 83.
1: Disabled
3
Modem rate
0: Ricoh non-standard
0: This can also be used for transmitting to another maker’s
fallback method
1: CClTT standard
machine. The modem rate will fall back after CTC sooner than
used with CTC
the CClTT standard if the line is very bad, unless the modem
rate is already 2400 or 4800 bps.
1: The modem rate will fall back after CTC when the maximum
number of attempts to send the page have been made.
4
Halftone with ECM 0: Impossible
0: If halftone is selected, ECM cannot be used. Also, halftone
1: Possible
cannot be selected during a transmission using ECM.
1: Halftone and ECM can be used together.
Continued on the next page
2-38
Summary of Contents for FACSIMILE FAX77
Page 1: ...RICOH FACSIMILE RICOH FAX77 80 85 FIELD SERVICE MANUAL...
Page 5: ...SECTION 1 INSTALLATION...
Page 20: ...1 3 2 Minimum Space Requirements 1 14...
Page 23: ...1 5 Installation Procedure 1 Attach the copy tray 1 2 Attach the document tray 2 1 17...
Page 30: ...SECTION 2 PROGRAMMING TESTING...
Page 32: ...2 1 Operation Panel FAX77 2 1...
Page 33: ...2 2...
Page 103: ...SECTION 3...
Page 135: ...SECTION 4...
Page 139: ...Jumpers 6 and 7 1 J P 6 J P 7 3 J P 6 J P 7 4 3...
Page 141: ...SECTION 5...
Page 169: ...Rx Motor FWD STOP REV Cutter ON Motor OFF Rx Motor ON Cutter Motor OFF 5 27...
Page 170: ...SECTION 6 RICOH MEMORY OPTION TYPE 85...
Page 173: ...ELECTRICAL DATA...
Page 175: ...7 1 Point to point Diagram...
Page 183: ...7 3 Block Diagrams 7 9...
Page 184: ...2 Video Data Path Transmission...
Page 185: ...Reception 7 11...
Page 186: ...7 12...
Page 187: ...3 Power Distribution 7 13...
Page 188: ...4 Scanner Drive 7 14...
Page 189: ...5 Printer Drive 7 15...
Page 190: ...7 4 Electrical Component Layout 7 16...
Page 192: ...APPENDIX...
Page 193: ...APPENDIX A GLOSSARY...