Ricoh MP C307 User Manual

4.Service Tables
86
NResend- Number of frames to be retransmitted
1: When using ECM, the machine sends a CTC to drop back the
modem rate after receiving four PPRs.
PPR, CTC: These are ECM protocol signals.
This bit is not effective in V.34 communications.
5 Modem rate used for the next
page after receiving a negative
code (RTN or PIN)
0: No change 1: Fallback
1: The machine's tx modem rate will fall back before sending the next
page if a negative code is received. This bit is ignored if ECM is being
used.
6 Not used Do not change the settings
7 Select detection of reverse
polarity in ringing
0: Off
1: On
This switch is used to prevent reverse polarity in ringing on the phone
line (applied to PSTN-G3 ringing). Do not change this setting
0: No detection
1: Detection (Japan and Korea only)
G3 Switch 04 (SP No. 1-105-005)
No Function Comments
0-
3
Training error
detection threshold
0 - F (Hex); 0 - 15 bits
If the number of error bits in the received TCF is below this threshold, the
machine informs the sender that training has succeeded.
4-
7
Not used Do not change the settings.
G3 Switch 05 (SP No. 1-105-006)
No Function Comments
0-
3
Initial Tx modem rate (kbps) These bits set the initial starting modem rate for transmission.
Use the dedicated transmission parameters if you need to change
this for specific receivers.
If a modem rate 14.4 kbps or slower is selected, V.8 protocol
should be disabled manually.
Cross reference
V.8 protocol on/off - G3 switch 03, bit 2
Bit 3 Bit
2
Bit
1
Bit 0 kbps
0 0 0 1 2.4
0 0 1 0 4.8
0 0 1 1 7.2
0 1 0 0 9.6
0 1 0 1 12.0
0 1 1 0 14.4
0 1 1 1 16.8
1 0 0 0 19.2
1 0 0 1 21.6

Ricoh MP C307 Specifications

General

Type	Multifunction Printer
Functions	Print, Copy, Scan, Fax
Print Technology	Laser
Print Resolution	1200 x 1200 dpi
Maximum Paper Size	A4
Duplex Printing	Yes
Scan Resolution	600 x 600 dpi
Mobile Printing	Apple AirPrint, Google Cloud Print, Mopria
Operating Systems Supported	Windows, Mac OS, Linux
Print Speed (Black)	30 ppm
Print Speed (Color)	30 ppm
Standard Paper Capacity	350 sheets
Supported Paper Sizes	A4, A5, A6, B5, B6, Letter, Legal
Scanner Type	Flatbed with ADF (Automatic Document Feeder)
Copier Speed (Black)	30 cpm
Copier Speed (Color)	30 cpm
Copy Resolution	Up to 600 dpi
Zoom Range	25% to 400%
Connectivity	Ethernet, USB
Max. Paper Capacity	1, 350 sheets
Display	10.1-inch color touchscreen