MICROLINE® 186 Big performance. Small package.

Big performance. Small package.
A 3-year warranty comes standard with this
rugged and reliable forms printer
This Impact printer from OKI Printing Solutions
combines versatile paper handling with fast
throughput and a space-saving footprint.
The MICROLINE 186 has a way with tough
conditions. This compact forms printer
actually thrives in industrial and point-of-sale
environments because it’s built to meet the
renowned OKI Printing Solutions standards for
quality and Tank-Tough reliability. As proof, the
ML186 has a 20,000-hour MTBF rating, more
than triple that of its closest competitor. Just put
it to work and see for yourself how it delivers!
Small package, big performance. For its size
and weight, the ML186 is fast: 375 cps in
SuperSpeed Draft mode. It also combines
efficiency with economy. It’s packed with
advanced, field-proven technology, including
a patented closed-loop optical sensor that
accurately positions the printhead, ensuring
precise characters even on the last page of a
5-part form.
The ML186 sports our rack-and-pinion drive
system for dependable throughput and longer
wear, a sturdy 200 million-character printhead
that’s designed to deliver output speeds 25%
faster than its predecessor, and a 16-bit CPU
for even quicker processing.
Exceptional paper handling. The ML186 can
print virtually any continuous or sheet-fed
form—including “difficult” media: its pinfeed
platen moves card stock and labels effortlessly,
along with multi-part forms up to 10” wide. A
short, straight paper path reduces the possibility
of media jamming. Continuous forms and single
sheet paper (e.g. letterhead) feed smoothly
through the rear or top. And the optional Pull
Tractor Kit handles media from 3" to 9.5" wide.
Unlike most other industrial and POS printers,
the ML186 offers both bottom-feed and shorttear standard, so you can remove forms right
at the perforation every time—which means the
next form isn’t wasted.
• Optional OkiLAN 6020e 10/100 Base-T
Ethernet external print server
All that and it’s easy to use, too. Walk up to
the ML186 and select your character sets, form
length, and line feed setting—right from the
operator panel. It couldn’t be easier. Of course,
if you need technical assistance, you can speak
to a live expert—24x7x365 —by calling
800-OKI-DATA (800-654-3282).
For the next generation in fast forms-printing
performance, be sure to specify the ML186 from
OKI Printing Solutions.
• Superior reliability for demanding
environments: Rated at 20,000-hours MTBF
• 3-Year standard warranty, parts and labor;
upgradable to 5 years of coverage with
• Print speeds up to 375 cps
• Integrated USB and IEEE Parallel connectivity
• Small footprint and low profile fits anywhere,
even on retail countertops
• Crisp, clear printing on 5-part forms
• 128 KB receive buffer/memory
• 200-million character printhead life
• 3 million-character ribbon life
• Co-resident Epson ESC/P, IBM 2480 and
OKI MICROLINE printer emulations
• Supports Windows XP, 2000, 98/95, 3.x, NT
4.0, MS-DOS , Unix , and Linux OS
• Available in Beige or Black
• Uses same accessories as ML184 Turbo series
1 1
Available in the U.S. and Canada only.
2 2
SuperSpeed Draft mode.
Getting the job done. Easily.
Rugged and reliable MICROLINE Impact printers
from OKI Printing Solutions are the most widely
used in North America.1 And, in keeping with
our tradition of reliable performance, the ML186
sets an impressive pace—whatever the need or
Select any of four speed settings and get a
quality product in less time. Fastest is the blazing
375 cps Super Speed Draft mode, followed by the
333 cps High-Speed Draft, 250 cps Utility, and
the Near-Letter Quality of 62.5 cps.
The printer’s small footprint makes it ideal for use
in your system configuration. And the operator
panel control of character sets, form length, and
other frequently used functions makes the ML186
quite easy to use. (The printer has a “lockout”
feature to prevent unauthorized setting changes.)
OKI Printing Solutions provides the edge in
quality and reliability no competing printer can
claim. It’s the reassurance that comes with the
backing of a full 3-year warranty and a network of
authorized OKI Printing Solutions Dealer Service
Centers and Service Depots.
Demand only the best. Put the rugged, affordable
MICROLINE 186 to work in the shop or behind the
counter. Today.
Printer MICROLINE 186 – Parallel, USB 120V
MICROLINE 186 – Parallel, USB 230V
MICROLINE 186 – Serial, USB 120V
MICROLINE 186 – Serial, USB 230V
MICROLINE 186 Black – Parallel, USB 120V
MICROLINE 186 Black – Serial, USB 120V
Printhead: 9-Pin SIDM
raphics Resolution: 240 (H) x 216 (V) dpi maximum
Feed Rate: 2.0 ips
Character Pitch (cpi): 10, 12, 15, 17.1 and 20
Print Speed and Character Matrix:
Utility HS Draft SS Draft
Speed (cps)
Pitch (cpi)
12 only
Matrix (H x V) 12 x 17 12 x 9
10 x 9
• Character Sets: Standard ASCII, Epson, IBM,
39 Foreign sets; 49 Code pages; Bar codes; PostNet
o-Resident Emulations: IBM 2480, Epson ESC/P and OKI MICROLINE
• Interface: Standard – Integrated USB and IEEE Parallel;
Optional – RS-232C Serial; Ethernet via OkiLAN 6020e
10/100 Base-T External Print Server
• Memory: 128K Receive Buffer
Re-inking Ribbon Cartridge
OKIcare Overnight Exchange Warranty Extensions
OKI ML186 1-Yr. Warranty Ext. 58264901 58264911
OKI ML186 2-Yr. Warranty Ext. 58264902 58264912
perating Systems: Windows XP, 2000, 98/95,
3.x, NT 4.0; MS-DOS ; Unix ; Linux
Part Number
Tractor Feed Kit with Acoustic Cover
RS-232C serial interface 19.2K baud max
(XON/XOFF, Ready/Busy)
OkiLAN 6020e 10/100 Base T Ethernet
External Print Server
Roll Paper Stand
Twin-ax/Co-ax (Also available through Third Party.
Call 1-800-OKI-DATA.)
Emulation, Interface and Memory
If you process your information over long
distances, the ML186 has an option that can save
time and expense: an OkiLAN 10/100 Base-T
Ethernet external print server that lets you
connect over the Internet using TCP/IP protocols.
Ordering Information
Technology, Speed and Print Characteristics
Paper Handling
aper Input: Single-part, Multi-part, Continuous forms,
Cut sheet, Card stock, Envelopes, Labels
• Number of Copies: 4-part Rear Feed; 5-part Bottom Feed
• Thickness: 0.011" (0.28mm) maximum
• Paper Feeding: Top Friction, Bottom (with optional
Tractor), Rear Pinfeed Platen
• Options: Pull Tractor, Roll Paper Stand, Cut Sheet Feeder
OKIcare Depot Warranty Extensions
OKI ML186 1-Yr. Warranty Ext. 58264701
OKI ML186 2-Yr. Warranty Ext. 58264702
OKI ML186 3-Yr. Upgrade from Depot
to Overnight Exchange
Warranty and Reliability
• L imited Warranty: 3-Year parts and labor,
2-Year printhead
• MTBF: 20,000 hours (25% duty cycle/35% page density)
• Monthly Workload: 13,000 pages at 25% duty cycle/
35% density
• Printhead Life: 200 million characters avg. in 10 cpi
utility mode at 25% duty, 35% page density
• Ribbon Life: 3 million characters (Utility mode)
For more information on Impact Printers and supplies from
OKI Prinitng Solutions, including OKIcare Extended Service
Programs: 1-800-OKI-DATA (800-654-3282).
Q2 2005 IDC Quarterly Tracker and Evans Research.
3-year standard warranty parts and labor, 2-year printhead.
Available in U.S. and Canada only.
ize (WxDxH): (with platen knob, tractor feed unit
and acoustic cover) 14.65" x 10.83" x 3.15"
(37.2 cm x 27.5 cm x 8.0 cm)
• Net Weight: 10 lb. (4.5 kg)
• Acoustic Noise: 58 dBA
Versatile paper feeding.
The ML186 can handle virtually
any kind of media that you feed it.
(Shown with top-feed paper guide
in upright position.)
Oki Data Americas, Inc.
Specifications are subject to change without notice.
© 2004 Oki Data, a Division of Oki America, Inc. OKI Reg. T.M.,
M.D., M.R., Oki Electric Industry Co., Ltd. MICROLINE, Tank-Tough,
OkiLAN Reg.T.M., Oki Electric Industry Co., Ltd. 7-Day/24-Hour
logo T.M., Oki America, Inc. Windows, MS-DOS Reg. T.M.,
Microsoft Corp. IBM Reg.T.M., International Business Machines
Corp. Unix Reg. T.M., SCO. Energy Star Reg.T.M.,
Printed in the USA
2000 Bishops Gate Blvd.
Mount Laurel, NJ 08054-4620
Tel: 800.OKI.DATA (800.654.3282)
Fax: 856.222.5320
2735 Matheson Blvd. East
Mississauga, Ontario L4W 4M8
Tel: 905.238.4250
Fax: 905.238.4421
Latin America and Mexico
2000 Bishops Gate Blvd.
Mount Laurel, NJ 08054-4620
Tel: 856.231.0002
Fax: 856.222.5071
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