Oki OKIOFFICE84 Maintenance Manual page 9

b) Vertical:
Transmission mode:
COPY mode:
(13) Scanning method
• 2592 bits contact image sensor
(14) Recording resolution
a) Horizontal:
300 dot/inch
b) Vertical:
Variable:
Fixed:
(15) Recording method
• 211.3 mm (2496 bits) or 216.7 mm (2560 bits)
(16) Minimum scan line time for reception
• When receiving from OKIFAX or ECM:
• When receiving from non- OKIFAX and non ECM: 10 ms at 3.85 line/mm
(17) Print speed
• Max. 8 sheets per minute (at NA letter size)
(6PPM in the PC print mode if the paper width is 128 mm or less.)
(18) Pre-heating time
• Approx. 20 sec. (Standby to Print)
(19) Coding scheme
• Modified Huffman (MH)
• Modified READ (MR)
• Modified Modified READ (MMR)
(20) Modem
• ITU-T Rec. V.29: 9600 bps for use on point-to-point 4-wire leased telephone type curcuits.
• ITU-T Rec. V.27 ter: 4800 bps modem for use in GSTN (General Switched Telephone
Network)
• ITU-T Rec. V.21 channel 2:
• ITU-T Rec. V.17: 2-wire modem for fax applications up to 14.4 kbps
(21) Transmission speed
• 6 sec. per sheet of ITU-T No. 1 sample document
Note: This is Phase C time at 3.85 line/mm and 14400 bps for 6 sec. in MMR code
transmission.
(22) Protocol
• ITU-T Rec. T.30
• OKI special protocols:
(23) Error correction mode (ECM)
40672201TH Rev. 4
3.85 line/mm (STD), 7.7 line/mm (FINE), 15.4 line/mm (EX.FINE)
or 300 dot/inch (EX.FINE)
3.85 line/mm (STD), 7.7 line/mm (FINE) or 15.4 line/mm
(EX.FINE)
Automatically adjusted to the paper length.
(300 to 412 dot/inch), STD mode (3.85 to 5.06 line/mm) and FINE
mode (7.7 to 10.13 line/mm) and EX-FINE mode (15.4 to 20.24
line/mm)
STD mode: 3.85 line/mm
FINE mode: 7.7 line/mm
EX-FINE mode : 15.4 line/mm
: 300 dot/inch
300 bps duplex modem for GSTN
High-speed protocol
1 - 2
0 ms
5 ms at 7.7 line/mm, 15.4 line/mm