Oki OKIOFFICE 84, Service Manual

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Service Guide OKIOFFICE 84
Chapter 1 General Information
Table 1.5.1 (5/9) Basic Performance Specifications
No. Item Specifications
12
Copy stacking The fax can discharge printed copies and stack them faceup.
Maximum sheets on the copy stacker: 30*
Note*: Oki Data recommended paper
13
Scanning resolution Horizontal:
300 dot/inch
l
Vertical:
Transmission mode:
3.85 line/mm (STD), 7.7 line/mm (FINE) or 15.4 line/mm
l
(EX.FINE)
COPY mode:
3.85 line/mm, 7.7 line/mm, 15.4 line/mm or 300 dot/inch.
l
14
Image scanning method NA Letter size (2592-bit) contact image sensor
15
Contrast control 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.
16
Recording solution Horizontal:
300 dot/inch
l
Vertical:
Fixed: 3.85 line/mm (STD), 7.7 line/mm (FINE), 15.4 line/
l
mm (EX-FINE) 300 dot/inch (EX-FINE)
Variable: Automatically adjusted to the paper length.
300 to 412 dot/inch
l
3.85 to 5.06 line/mm (STD)
l
7.7 to 10.13 line/mm (FINE)
l
15.4 to 20.24 line/mm (EX. FINE)
l
17
Recording system Electro-photographic printing
1) 211.3mm (2496 bit) or 216.7mm (2560 bit) LED print head
18
Skew of recording paper Maximum allowable skew is + or - 1 mm over an advance of 100 mm.
19
Copy darkness 1) Black image: Greater than 1.2 OD (Optical density)
2) White background: Not greater than 0.2 OD (Optical density)
20
Copy uniformity Printed copies will exhibit a uniform density of the printed and
background area:
1) From edge to edge: 25%
2) From copy to the next copy: 30%
21
Recording paper running out 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 "PAPER OUT/JAM" on the LCD and an ALARM LED
turns on without 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.