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Oki MICROLINE 690 Dot Matrix Printer - Monochrome - 62434001

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Product Overview

Whether your output is continuous multi-part forms or fine business correspondence or combinations of both you'll find your solution in the Dual 9-pin ML620/621 or the 24-pin ML690/691 dot matrix printers. They handle the printing needs of the most demanding environments including point-ofsale, automation and utility applications such as wholesale or retail sales counters, financial departments, manufacturing and warehousing. Yet they also produce letter-quality type and high-resolution graphics for the office and executive suite.


Manufacturer Okidata
Mfg Part# 62434001
SKU 219855476
UPC 051851410258
UPC 14 00051851410258
Parallel Port Yes
Product Type Dot Matrix Printer
Manufacturer Part Number 62434001
Manufacturer OKI Data
Product Model 690
Product Name MICROLINE 690 Dot Matrix Printer
Product Line MICROLINE
Brand Name Oki
Media Type Plain Paper / Envelope / Continuous Form / Multiple Part Form / Cut Sheet / Single Sheet / Label / Roll Paper / Card Stock
Media Size Custom Size
Standard Memory 128 KB
Platform Supported PC
Environmentally Friendly Yes
Environmental Certification ENERGY STAR
Energy Star Yes
Weight (Approximate) 16.98 lb
Form Factor Desktop
Height 7.5"
Width 17.2"
Depth 14.8"
Duty Cycle 23000
Number of Pins 24-pin
Maximum Print Resolution 360 x 360 dpi
Maximum Mono Print Speed (cps) 480
Print Color Capability Monochrome
Limited Warranty 3 Year
Tech Specs
Technology, Speed and Print Characteristics
Print Method: Serial Impact Dot Matrix
ML620/621 – Dual 9-pin (0.3 mm diameter)
ML690/691 – 24-pin (0.2 mm diameter)
Print Speed1 (cps):
NLQ & LQ:ML620/621,113 (NLQ)
HS Draft:600
SS Draft:700
Print Speed1 (cps):
ML690/691, 120 (LQ)
Draft: 360
HS Draft: 480
SS Draft: N/A
Graphics Resolution (max):
ML620/621 – 288 (H) x 72 (V) dpi OKI®
MICROLINE®; 240 (H) x 72 (V) dpi Epson®/IBM®
ML690/691 – 360 (H) x 360 (V) dpi Epson/IBM
Feed Rate: ML620/621 – 5.25 ips;
ML690/691 – 5.5 ips
Emulations, Interface and Memory
ML620/621 – Epson ESC/P, IBM PPDS,
ML690/691 – Epson LQ ESC/P2, IBM PPDS,
Standard – IEEE Bi-directional Parallel, USB 2.0;
Optional – Ethernet® via OkiLAN® 6130 10/100
Base-T External Print Server, RS-232C Serial
Receive Buffer/Memory: 128 KB
Operating Systems: x86/x64 – Windows® 7,
Vista®, XP, Server 2008, Server 2003; x86 –
Win2000; x64 – Server 2008R2
ML620/621 – Courier and Gothic 22-216 pt.
ML690/691 – Courier, Roman and Swiss 8-64 pt.
Bar Codes: UPC A, UPC E, EAN 8, EAN 13, Code 39,
Interleaved 2 of 5, Code 128 (A, B, C), PostNet®,
CodaBar (NW-7), Industrial 2 of 5, Matrix 2 of 5
Paper Handling
Paper Input: Single/Multi-part, Continuous forms,
Cut sheet, Roll paper2, Envelopes, Card stock,
Number of Copies:
Original + up to 6 copies max3
Thickness (Max): Front/Back push 0.36mm
(0.014"); Front/Back pull, Front/Back push-pull
0.44 mm (0.017"); Top pull 0.48 mm (0.019")
Paper Feeding: Front/Top Friction Feed, Front/
Back Push Tractor, Front/Top Pull Tractor
Standard Tractor: Front/Back Push with Zero Tear,
Auto Park and Auto Loading standard
ML620/690 – 17.2" x 14.8" x 7.5"
(43.8 cm x 37.5 cm x 19.1 cm)
ML621/691 – 23.3" x 14.8" x 7.5"
(59.2 cm x 37.5 cm x 19.1 cm)
Net Weight:
ML620/690 – 16.8 lb. (7.7 kg)
ML621/691 – 22.0 lb. (10 kg)
Power Consumption:
ML620/621 – Operation approx. 52W (ISO/IEC
10561 Letter, Draft, Range 1); Idle 15W max; Sleep
Mode – with options 3.7W max, without options
1.5W max
ML690/691 – Operation approx. 52W (ISO/IEC
10561 Letter, Roman, Range 1); Idle 15W max;
Sleep Mode – with options 3.7W max, without
options 1.5W max
Electrical: 120V, 230V
Operating Temperature: 5°C to 35°C
(41°F to 95°F); 20% to 80% relative humidity
ML620/621 – Silent Mode 52.0 dBA,
Quiet Mode 55.0 dBA, Normal Mode 57.0 dBA
ML690/691 – Silent Mode 49.0 dBA,
Quiet Mode 52.0 dBA, Normal Mode 57.0 dBA
ENERGY STAR® Compliance: Yes
Reliability and Warranty
MTBF: 25,000 hours
Monthly Duty Cycle:
ML620 – 28,000 pages; ML621 – 20,000 pages
ML690 – 23,000 pages; ML691 – 14,000 pages
Printhead Life: 400 million characters at
25% duty cycle (10 cpi Draft mode)
Ribbon Life:
ML620/690 – 8 million characters
ML621/691 – 13 million characters
Warranty: 3-Year limited warranty with extensions4
(1) Super-Speed Draft rated at 12 cpi only; all other print speeds
apply to 10 cpi.
(2) ML620/690 only.
(3) Depending on paper path and additional tractor used.
(4) Available in the U.S. and Canada only.

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