OKIDATA OF1050, Service Manual

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* Okidata recommended paper
1.1.12 Scanning resolution
Horizontal: 8 pel/mm
Vertical: Transmission mode: 3.85 line/mm (STD) (200 x 100 LPI) 7.7 line/mm (FINE) (200
x 200 LPI) 15.4 line/mm (EX. FINE) (200 x 400 LPI) COPY mode: 7.7 line/mm (200 x 200 LPI)
1.1.13 Scanning method
NA Letter (1728-bit) contact image sensor
1.1.14 Recording resolution
Horizontal: 8 pel/mm
Vertical:
Variable: Automatically adjusted to the paper length. STD mode: 3.85 to 5.06 line/mm
FINE,
COPY mode: 7.7 to 10.13 line/mm Fixed: 3.85 line/mm (STD) 7.7 line/mm (FINE, COPY)
1.1.15 Recording method
NA Letter size (1728-bit) LED print head
1.1.16 Minimum scan line time for receiving
When receiving from OKIFAX: 0 ms
When receiving from non-OKIFAX: 10 ms at 3.85
line/mm 5 ms at 7.7 line/mm
1.1.17 Print speed Max.
4 sheets per minute (OKIFAX 1050)
Max. 8 sheets per minute (OKIFAX 2350/2450)
1.1.18 Pre-heating time
No pre-heating mode
1.1.19 Coding scheme
Modified Huffman (MH)
Modified READ (MR)
Modified Modified READ (MMR)
1.1.20 Modem
ITU-T Rec. V.29: 9600/7200 bps (OKIFAX 1050/2350/2450)
ITU-T Rec. V.27 ter: 4800/2400 bps (OKIFAX 1050/2350/2450)
ITU-T Rec. V.21 channel 2: 300 bps (OKIFAX 1050/2350/2450)
ITU-T Rec. V.17: 14400/12000 bps (OKIFAX 2350/2450; option)
ITU-T Rec. V.33: 14400/12000 bps (OKIFAX 2350/2450; option)
1.1.21 Transmission speed
9 sec. per sheet of ITU-T No. 1 sample document
6 sec. per sheet of ITU-T No. 1 sample document
Note: This is Phase C time at STD/Resolution and 14400 bps for 6 sec. and 9600 bps for 9 sec. in MMR
code transmission.
1.1.22 Protocol
ITU-T Rec. T.30
OKI special protocols: High-speed protocol
1.1.23 Error correction mode (ECM)
1.1.24 Communication mode