Product comparison · 2 dot matrix printers

Epson LQ-690II dot matrix printer vs Epson PLQ -20DM

18specifications compared
13differ
5identical
31known for one product only

Key differences

The Epson LQ-690II dot matrix printer has 12 more maximum printing width (columns) than the Epson PLQ -20DM (106 vs 94). The Epson LQ-690II dot matrix printer has 7 cps more maximum print speed than the Epson PLQ -20DM (487 cps vs 480 cps). The Epson PLQ -20DM has 66 cps more maximum print speed (draft) than the Epson LQ-690II dot matrix printer (432 cps vs 366 cps). Maximum resolution: 360 x 180 DPI on the Epson LQ-690II dot matrix printer, 240 x 360 DPI on the Epson PLQ -20DM. Paper tray media types: Envelopes, Labels, Plain paper, Roll on the Epson LQ-690II dot matrix printer, Cut sheet on the Epson PLQ -20DM.

Maximum resolution
- LQ-690II dot matrix printer:360 x 180 DPI
- PLQ -20DM:240 x 360 DPI
Maximum printing width (columns)
- LQ-690II dot matrix printer:106
- PLQ -20DM:94
Maximum print speed
- LQ-690II dot matrix printer:487 cps
- PLQ -20DM:480 cps
Maximum print speed (draft)
- LQ-690II dot matrix printer:366 cps
- PLQ -20DM:432 cps
Maximum print speed (LQ)
- LQ-690II dot matrix printer:121 cps
- PLQ -20DM:144 cps
Sound pressure level (printing)
- LQ-690II dot matrix printer:59 dB
- PLQ -20DM:55 dB
Standard interfaces
- LQ-690II dot matrix printer:Parallel, USB 2.0
- PLQ -20DM:Serial, USB 2.0
Mean time between failures (MTBF)
- LQ-690II dot matrix printer:20000 h
- PLQ -20DM:10000 h

Side by side

Differences highlightedShow differences only

Comparison of LQ-690II, PLQ -20DM
49 specifications	A Epson LQ-690II dot matrix printer Model LQ-690II View product	B Epson PLQ -20DM View product
Printing6 differ
Maximum resolutionDiffers	360 x 180 DPI	240 x 360 DPI
Maximum printing width (columns)Differs	106	94
Maximum print speedDiffers	487 cps	480 cps
Maximum print speed (draft)Differs	366 cps	432 cps
Maximum print speed (LQ)Differs	121 cps	144 cps
Character pitchKnown for one	Unknown — not stated by the source	10,12 cpi
Built-in barcodesDiffers	CODABAR (NW-7), Code 39, Code-128 Codabar Library, EAN128, EAN13, Industrial 2/5, Interleaved 2/5, Matrix 2/5, POSTNET, UPC-A, UPC-E	CODABAR (NW-7), EAN13, EAN8, Industrial 2/5, Interleaved 2/5, POSTNET, UPC-A
ColourKnown for one	No	Unknown — not stated by the source
Maximum number of copiesKnown for one	7 copies	Unknown — not stated by the source
Character setsKnown for one	ISO 8859-15, Italic, PC437, PC708, PC720, PC850, PC858, PC864, PCAR864, Roman 8	Unknown — not stated by the source
Paper handling1 differ
Maximum print sizeKnown for one	Unknown — not stated by the source	A4 / Letter (216 x 297 mm)
Paper tray media typesDiffers	Envelopes, Labels, Plain paper, Roll	Cut sheet
Cut sheet media weightKnown for one	Unknown — not stated by the source	52 - 157 g/m²
Cut sheet thickness rangeKnown for one	Unknown — not stated by the source	0.065 - 0.19 mm
Paper feedKnown for one	Manual, Pull tractor	Unknown — not stated by the source
Continuous paper thickness rangeKnown for one	0.065 - 0.49 mm	Unknown — not stated by the source
Label thickness rangeKnown for one	0.16 - 0.19 mm	Unknown — not stated by the source
Multi-part paper thickness rangeKnown for one	0.12 - 0.49 mm	Unknown — not stated by the source
Single sheet thickness rangeKnown for one	0.065 - 0.15 mm	Unknown — not stated by the source
Features1 differ
Buffer size	128 KB	128 KB
Sound pressure level (printing)Differs	59 dB	55 dB
Page description languagesKnown for one	Unknown — not stated by the source	Epson ESC/P2
Country of origin	Indonesia	Indonesia
Product colourKnown for one	Black, White	Unknown — not stated by the source
Ports & interfaces1 differ
Standard interfacesDiffers	Parallel, USB 2.0	Serial, USB 2.0
Cabling technologyKnown for one	Unknown — not stated by the source	10/100Base-T(X)
Optional connectivityKnown for one	Unknown — not stated by the source	Ethernet, Wireless LAN
Endurance1 differ
Print head	24-pin	24-pin
Print directionKnown for one	Unknown — not stated by the source	Bidirectional
Print head life	400 million characters	400 million characters
Ribbon life	10 million characters	10 million characters
Mean time between failures (MTBF)Differs	20000 h	10000 h
Power2 differ
AC input voltageKnown for one	Unknown — not stated by the source	220 - 240 V
Power consumption (standby)Differs	3 W	7.5 W
Power consumption (typical)Differs	38 W	60 W
Weight & dimensions1 differ
WeightDiffers	6.8 kg	7.7 kg
WidthKnown for one	480 mm	Unknown — not stated by the source
DepthKnown for one	301 mm	Unknown — not stated by the source
HeightKnown for one	211 mm	Unknown — not stated by the source
Other featuresidentical
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	384 x 280 x 203 mm
Connectivity technologyKnown for one	Unknown — not stated by the source	Wired
Network readyKnown for one	Unknown — not stated by the source	Yes
Print technologyKnown for one	Unknown — not stated by the source	Dot matrix
Media thicknessKnown for one	Unknown — not stated by the source	2.6 mm
Weight (imperial)Known for one	Unknown — not stated by the source	7.71 kg (17 lbs)
Technical detailsidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
System requirementsidentical
Bundled softwareKnown for one	Epson Status Monitor	Unknown — not stated by the source
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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