Okidata ML320

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Looking for a replacement model?  Try this 2600

Okidata 320 Printers are rugged, reliable industrial printers for dedicated applications

Oki Microline ML320 Dot Matrix Multiform Impact Printer
Fully refurbished with 90-day warranty
ML320 GE5253A Reynolds Firmware

Contact for Details

Urgent News: Oki Effective March 31, 2021 OKI Data will no longer distribute printer hardware under the OKI brand to the North, Central and South American markets. This includes all LED-based, single and multifunction, as well as dot-matrix (SIDM), printer hardware. Read more

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Looking for Oki 320 Parts?

Okidata 320 Printer Performance

Tank Tough reliability and expanded head gap for dedicated forms printing

This 9-pin dot matrix printer is blazing new trails in productivity. Engineered for dedicated printing in the most demanding point-of-sale, automation and utility applications, the ML320/321 can easily run twice as long as most printers in its class! It can simplify any job on virtually any stock, and it's economical enough to put wherever you need data on the spot.

The ML320/321 puts the "work" in workstations for financial departments, wholesale or retail sales counters, even for warehouse or manufacturing environments.

Set it up with a box of forms - even 6-part invoices! - and let it run and run and run.

Its relentless performance comes from the rugged printhead design that keeps your print images sharp for a 200-million character life. A lighter, stronger, more efficient motor reduces friction, heat build-up and wear. The long-lasting rack and pinion drive system ensures print quality longer than belt or cable systems. Plus, an impact-resistant chassis protects the entire mechanism, even in the harshest environments.

When it comes to endurance, dependability and efficiency, the ML320/321 sets a new standard.

Unmatched paper-handling capability

Specifically designed to offer enhanced paper-handling capabilities, the ML320/321 can be set with an expanded gap between printhead and platen, accommodating multi-part forms and stock that are up to twice as thick as those that fit our nearest competitor. A bottom feed feature* keeps the paper path short and straight when running stiff card stock or labels.

The ML320/321 printhead has a lightweight samarium cobalt magnet and powerful, spring-activated pins to deliver a stronger punch - right to the last page of a 6-part form!

For precisely formed output, a patented optical sensor accurately positions the printhead on the page, first time and every time. And the auto-tear feature accurately positions continuous forms for a clean tear at the perforation - eliminating wasted forms.

This reliable, flexible 9-pin dot matrix printer can meet your needs today and in the future, because it's the perfect replacement for the ML320/321. It's exactly the same size, built to stand up to harsh factory conditions, and is compatible with virtually all custom and "off-the-shelf" software.

The ML320/321 A lot of tank-tough performance for dedicated forms printing.

* Requires optional push tractor
Detailed Specifications: Side-by-Side Comparison

td>62411601

	MICROLINE 320	MICROLINE 320 with CSF	MICROLINE 321	MICROLINE 321 with CSF	MICROLINE 320 with RS-232C
SKU*	62411603	62411701	62411703	91907101
Print Speed And Quality
Super Speed Draft (cps)**	435	435	435	435	435
High Speed Draft (cps)	390	390	390	390	390
Utility Speed (cps)	300	300	300	300	300
Near Letter Quality Speed (cps)	75	75	75	75	75
Letter Quality Speed (cps)	N/A	N/A	N/A	N/A	N/A
Number Of Colors	1	1	1	1	1
Maximum Graphics Resolution (dpi)	240 x 216	240 x 216	240 x 216	240 x 216	240 x 216
Fonts and Bar Codes
Resident Scalable Fonts	Yes	Yes	Yes	Yes	Yes
Resident Bar Code Fonts	Yes (8 Types*)	Yes (8 Types*)	Yes (8 Types*)	Yes (8 Types*)	Yes (8 Types*)
Paper Handling
No. Of Copies	6	6	6	6	6
Automatic Paper Forms Loading	Yes	Yes	Yes	Yes	Yes
Short Tear Off	Yes	Yes	Yes	Yes	Yes
Zero Tear Off	Yes	Yes	Yes	Yes	Yes
Rear Feed	Yes	Yes	Yes	Yes	Yes
Bottom Feed	w/Pull or Bott. Trac.	w/Pull or Bott. Trac.	w/Pull or Bott. Trac.	w/Pull or Bott. Trac.	w/Pull or Bott. Trac.
Pin Feed Platen	N/A	N/A	N/A	N/A	N/A
Top Pull Tractors	Optional	Optional	Optional	Optional	Optional
Push Tractors	Rear / (Opt. Bott.)	Rear / (Opt. Bott.)	Rear / (Opt. Bott.)	Rear / (Opt. Bott.)	Rear / (Opt. Bott.)
Paper Feed Rate (inch per second)	5	5	5	5	5
Cut Sheet Feeder Option	N/A	N/A	N/A	N/A	N/A
Roll Paper Stand Option	Yes	Yes	no	no	Yes
Connectivity
Parallel Interface	Standard	Standard	Standard	Standard	Standard
Serial Interface	Optional	Optional	Optional	Optional	Standard
Network-Ready	Optional	Optional	Optional	Optional	Optional
USB	Standard	Standard	Standard	Standard	Standard
Printhead
Number of Pins	9	9	9	9	9
Autogapping Printhead	N/A	N/A	N/A	N/A	N/A
Expanded Head Gap	Yes	Yes	Yes	Yes	Yes
Printhead Life (characters)	200 million	200 million	200 million	200 million	200 million
Performance
Memory Buffer Size	128K	128K	128K	128K	128K
Reliability/ MTBF (hours)	10,000	10,000	10,000	10,000	10,000
Monthly Workload (pages)	20,000	20,000	13,000	13,000	20,000
Operating / Physical Specifications
Noise Level In Operating Mode (dBA)	57	57	57	57	57
Noise Level In Quiet Mode (dBA)	55	55	55	55	55
Ribbon Life (characters)	3 million	3 million	3 million	3 million	3 million
Power Voltage	120v or 220v	120v or 220v	120v or 220v	120v or 220v	120v or 220v
EPA Energy Star Compliance	Yes	Yes	Yes	Yes	Yes
Dimensions Of Narrow Carriage w/out Box (W x D x H) (inches)	15.7 x 13.6 x 4.6	15.7 x 13.6 x 4.6	N/A	N/A	15.7 x 13.6 x 4.6
Dimensions Of Wide Carriage w/out Box (W x D x H) (inches)	N/A	N/A	21.7 x 13.6 x 4.6	21.7 x 13.6 x 4.6	N/A
Weight Of Narrow Carriage w/out Box (lb.)	15.4	15.4	N/A	N/A	15.4
Weight Of Wide Carriage w/out Box (lb.)	N/A	N/A	20.9	20.9	N/A
Additional Features
Front Panel Direct Access Controls	Yes	Yes	Yes	Yes	Yes
Front Panel Limited Function Mode	Yes	Yes	Yes	Yes	Yes
Warranty
Toll Free Telephone Support (hours/days)	24 / 7	24 / 7	24 / 7	24 / 7	24 / 7
Emulations
Emulations	Epson FX, IBM PPR III, (DEC) ANSI x 3.642 and OKI MICROLINE
Compatibility
OS Compatibility	Windows XP, 2000, 98/95, 3.x and NT 4.0; MS-DOS; Novell - NDS, NDPS, NLSP; IPX/SPX protocol; UNIX; HP JetAdmin, Web JetAdmin compatible