Oki C5550 MFP User Manual

C5550 MFP User’s Guide
Installing upgrades > 142
All that remains is to adjust the Windows printer driver to
make full use of the new features. See “Adjusting windows
printer drivers” on page 148.
M EMORY UPGRADE
This section explains how to install additional RAM memory into
your MFP as a memory upgrade.
The model comes equipped with 256MB of main memory.This can
be upgraded with an additional memory board containing either
256MB or 512MB, giving a total memory capacity of either 512MB
or 768MB maximum.
1. Switch the MFP off and disconnect the AC power cable.
2. Pull open the access panel on the side of the machine.
Side cover open.eps
3. Carefully remove the new memory board from its
wrapping. Try to handle the board only by its short edges,
avoiding contact with any metal parts as far as possible.
In particular, avoid touching the edge connector.
4. Notice that the memory board has a small cutout in the
edge connector, which is closer to one end than the other.
RAM Board.eps

Oki C5550 MFP Specifications

Printer Specifications

print speed color	20 ppm
print speed black & white	32 ppm
time to first page color	11 seconds
time to first page black & white	8 seconds
print resolution	1200 x 600 dpi
processor speed	500 MHz
duty cycle	60, 000 prints/copies per month

Fax Specifications

fax modem speed	33.6 Kbps
transmission speed	3 seconds/page
fax resolution	200 x 400 dpi
one-touch dial locations	10
broadcast transmission locations	100
fax memory	100 pages (1.5 MB)

Copy Specifications

copy speed color	20 cpm
copy speed black & white	32 cpm
first copy out color	23 seconds
first copy out black & white	15 seconds
copy resolution	600 x 600 dpi
copy scaling range	25% to 400%

Scanner Specifications

scan type	Color and black & white; flatbed
scan speed black & white	3 sec./pg.
scan speed color	6 sec./pg.
scan resolution	4800 dpi
scanner ADF capacity	50 sheets
paper sizes min/max	4.1" x 5.8" to 8.5" x 47.24"

System Memory

standard imaging RAM	256 MB
maximum imaging RAM	768 MB
optional hard disk drive	40 GB

Environmental Specifications

size (WxDxH)	19.7" x 23.6" x 26.4" (50.0 cm x 60.0 cm x 67.0 cm)
weight	81.6 lb. (37.0 kg)
power consumption peak	1200W
power consumption standby	100W
power consumption power save	<15W
acoustic noise operating	<53 dB
acoustic noise standby	<39 dB