Oki B 4100 Maintenance Manual page 22

No. Item
14 Image scanning method
Rev.2
15 Contrast control
16 Recording resolution
Rev.2
17 Recording system
18 Skew of recording paper
19 Copy darkness
20 Copy uniformity
21 Recording paper running out
Rev.3
22 Minimum scan line time for receiving
23 Coding scheme
40055101TH Rev.4
Table 1.5.1 (6/10) Basic Performance Specifications
NA Letter size (1728-bit) contact image sensor for OKIOFFICE44,
OKIFAX4100/5200/5500
NA Letteer size (2592-bit) contact image sensor for OKIFAX 5300/
5600
1) Automatic background sensing
A continuous document background of 0.3 OD (optical density)
or less will be transmitted as white.
2) The LIGHT and DARK contrasts will automatically be adjusted
to improve image quality.
Horizontal:
• 300 dot/inch
Vertical:
• 3.85 line/mm (STD), 7.7 line/mm (FINE) for OKIOFFICE44/
OKIFAX 4100 and OKIFAX 5200/5500 of INT'L version.
• 3.85 line/mm (STD), 7.7 line/mm (FINE), 300 dot/inch (FX-
FINE) for OKIFAX 5300/5600 of ODA version.
Electro-photographic printing
1) 211.3mm (2496 bit) or 216.7mm (2560 bit) LED print head
Maximum allowable skew is + or - 1 mm over an advance of 100 mm.
1) Black image:
2) White background:
Printed copies will exhibit a uniform density of the printed and
background area:
1) From edge to edge:
2) From copy to the next copy:
The fax can detect the no-paper condition by a photosensor.
When the paper has run out in the local copy operation, the scanning
will stop with "NO PAPER ... REPLACE PAPER" on the LCD for
OKIFAX 5000 series and "PAPER OUT/JAM" on the LCD for
OKIOFFICE44/OKIFAX4100 and an ALARM LED turns on with-
out an alarm tone.
When the paper has run out while a message is being received and
the no-paper reception is activated, the LCD display will show
"MSG. IN MEMORY", and the ALARM LED turns on.
0 ms, when receiving from an Oki Data facsimile.
5 ms at 7.7 line/mm and 10 ms at 3.85 line/mm when receiving from
a non-Oki Data facsimile.
1) One-dimensional coding scheme:
Modified Huffman (MH)
2) Two-dimensional coding scheme:
Modified READ (MR)
Modified modified READ (MMR)
Specifications
Greater than 1.0 OD (Optical density)
Not greater than 0.2 OD
(Optical density)
25% unit
30% unit
22 /