Oki OKIFAX4550 Maintenance Manual page 9

(12) Scanning resolution
a) Horizontal:
• 300 dot/inch
Note 1:
b) Vertical:
Transmission mode: 3.85 line/mm (STD), 7.7 line/mm (FINE), 15.4 line/mm (EX.FINE)
COPY mode:
Note: 300 dpi × 300 dpi: Transmission is available.
(13) Scanning method
• 2592 bits contact image sensor
(14) Recording resolution
a) Horizontal:
• 300 dot/inch
• 600 dot/inch for OKIOFFICE87
b) Vertical:
Variable:
Fixed:
(15) Recording method
• 211.3 mm (2496 bits) and/or 216.7 mm (2560 bits) LED print head
(16) Minimum scan line time for reception
• When receiving from OKIFAX or ECM:
• When receiving from non- OKIFAX and non ECM:
(17) Print speed
• Max. 8 sheets per minute (at NA letter size)
(18) Pre-heating time
• Approx. 30 sec. (Standby to Print)
Note: This feature is not available OKIFAX4550/OKIOFFICE87 for ODA version.
(19) Coding scheme
• Modified Huffman (MH)
• Modified READ (MR)
• Modified Modified READ (MMR)
41309401TH Rev.4
In the local COPY mode at standard (STD) resolutions, the dpi conversion
is done from 300 dot/inch to 200 dot/inch.
600 dpi × 15.4 line/mm: Copy is available for OKIOFFICE87.
2:
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.
(784 to 1076 dot/inch), (300 to 395 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:
FINE mode:
EX-FINE mode:
3.85 line/mm
7.7 line/mm
15.4 line/mm
300 dot/inch
0 ms
10 ms at 3.85 line/mm
5 ms at 7.7 line/mm, 15.4 line/mm
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