Product comparison · 2 dot matrix printers

Epson GP-M831 vs Epson LQ-780 dot matrix printer

25specifications compared
21differ
4identical
40known for one product only

Key differences

The Epson LQ-780 dot matrix printer has 11 dB more sound pressure level (printing) than the Epson GP-M831 (59 dB vs 48 dB). The Epson GP-M831 has 10 - 240 V more AC input voltage than the Epson LQ-780 dot matrix printer (110 - 240 V vs 100 - 240 V). The Epson LQ-780 dot matrix printer has 0.3 W more power consumption (standby) than the Epson GP-M831 (8.3 W vs 8 W). Maximum resolution: 720 x 720 DPI on the Epson GP-M831, 360 x 180 DPI on the Epson LQ-780 dot matrix printer. Continuous paper thickness range: 0.065 - 0.14 mm on the Epson GP-M831, 0.12 - 0.49 mm on the Epson LQ-780 dot matrix printer.

Maximum resolution
- GP-M831:720 x 720 DPI
- LQ-780 dot matrix printer:360 x 180 DPI
Continuous paper thickness range
- GP-M831:0.065 - 0.14 mm
- LQ-780 dot matrix printer:0.12 - 0.49 mm
Sound pressure level (printing)
- GP-M831:48 dB
- LQ-780 dot matrix printer:59 dB
Standard interfaces
- GP-M831:Ethernet, Parallel, USB 2.0
- LQ-780 dot matrix printer:Parallel, USB 2.0
AC input voltage
- GP-M831:110 - 240 V
- LQ-780 dot matrix printer:100 - 240 V
Power consumption (standby)
- GP-M831:8 W
- LQ-780 dot matrix printer:8.3 W
Power consumption (typical)
- GP-M831:33 W
- LQ-780 dot matrix printer:46 W
Operating temperature (T-T)
- GP-M831:10 - 35 °C
- LQ-780 dot matrix printer:5 - 35 °C

Side by side

Differences highlightedShow differences only

Comparison of GP-M831, LQ-780
65 specifications	A Epson GP-M831 Model GP-M831 View product	B Epson LQ-780 dot matrix printer Model LQ-780 View product
Printing2 differ
Colour	No	No
Maximum resolutionDiffers	720 x 720 DPI	360 x 180 DPI
Maximum printing width (columns)Known for one	Unknown — not stated by the source	106
Maximum print speedKnown for one	Unknown — not stated by the source	487 cps
Maximum print speed (draft)Known for one	Unknown — not stated by the source	487 cps
Maximum print speed (LQ)Known for one	Unknown — not stated by the source	366 cps
Maximum number of copiesKnown for one	Unknown — not stated by the source	6 copies
Built-in barcodesDiffers	Code 128 (A/B/C), Code 39, EAN13, Industrial 2/5, ITF, POSTNET, QR Code, UPC-A, UPC-E	CODABAR (NW-7), Code 128 (A/B/C), Code 39, EAN13, EAN8, Industrial 2/5, Interleaved 2/5, Matrix 2/5, POSTNET, UPC-A, UPC-E
Number of barcode fontsKnown for one	Unknown — not stated by the source	8
Number of bitmap fontsKnown for one	Unknown — not stated by the source	11
Bitmap fontsKnown for one	Unknown — not stated by the source	Courier, Draft, Prestige, Roman
Number of scalable fontsKnown for one	Unknown — not stated by the source	4
Scalable fontsKnown for one	Unknown — not stated by the source	Roman, Roman T, Sans Serif, Sans Serif H
Character setsKnown for one	Unknown — not stated by the source	PC437, PC850, PC858, ISO 8859-15, Roman 8, Italic
Number of charactersKnown for one	Unknown — not stated by the source	15
Paper handling1 differ
Paper tray media typesKnown for one	Unknown — not stated by the source	Envelopes
Continuous paper thickness rangeDiffers	0.065 - 0.14 mm	0.12 - 0.49 mm
Multi-part paper thickness rangeKnown for one	Unknown — not stated by the source	0.12 - 0.49 mm
Single sheet thickness rangeKnown for one	Unknown — not stated by the source	0.065 - 0.15 mm
Features1 differ
Product colourKnown for one	Unknown — not stated by the source	Black, White
Buffer sizeKnown for one	Unknown — not stated by the source	64 KB
Sound pressure level (printing)Differs	48 dB	59 dB
Country of origin	Indonesia	Indonesia
Ports & interfaces1 differ
Standard interfacesDiffers	Ethernet, Parallel, USB 2.0	Parallel, USB 2.0
Cabling technologyKnown for one	10/100Base-T(X)	Unknown — not stated by the source
Enduranceidentical
Print headKnown for one	Unknown — not stated by the source	24-pin
Print head lifeKnown for one	Unknown — not stated by the source	400 million characters
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	35000 h
Print directionKnown for one	Bidirectional	Unknown — not stated by the source
Power3 differ
AC input frequency	50 - 60 Hz	50 - 60 Hz
AC input voltageDiffers	110 - 240 V	100 - 240 V
Power consumption (standby)Differs	8 W	8.3 W
Power consumption (typical)Differs	33 W	46 W
Operational conditions2 differ
Operating temperature (T-T)Differs	10 - 35 °C	5 - 35 °C
Operating relative humidity (H-H)Differs	20 - 80%	10 - 80%
Storage temperature (T-T)Known for one	-20 - 40 °C	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 85%	Unknown — not stated by the source
System requirements1 differ
Server operating systems supportedKnown for one	Unknown — not stated by the source	Windows Server 2003, Windows Server 2022
Windows operating systems supportedDiffers	Yes	Windows 11 x64
Weight & dimensions4 differ
WidthDiffers	464 mm	480 mm
DepthDiffers	465 mm	301 mm
HeightDiffers	224 mm	211 mm
WeightDiffers	12.7 kg	6.7 kg
Packaging data4 differ
Quantity per pack	1 pc(s)	1 pc(s)
Package widthDiffers	585 mm	325 mm
Package depthDiffers	670 mm	590 mm
Package heightDiffers	430 mm	350 mm
Package weightDiffers	16.6 kg	8.28 kg
Other featuresidentical
Print technologyKnown for one	Unknown — not stated by the source	Dot matrix
NeedlesKnown for one	Unknown — not stated by the source	24
Dimensions (WxDxH)Known for one	464 x 465 x 224 mm	Unknown — not stated by the source
Box contentsKnown for one	Driver and utilities, Individual Ink Cartridges, Main unit, Setup guide, User manual	Unknown — not stated by the source
Logistics data2 differ
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84433210
Pallet gross weightKnown for one	Unknown — not stated by the source	0 g
Pallet weight (UK)Known for one	Unknown — not stated by the source	0 g
Products per palletDiffers	8 pc(s)	24 pc(s)
Products per pallet (UK)Differs	8 pc(s)	36 pc(s)
Pallet gross heightKnown for one	187 cm	Unknown — not stated by the source
Pallet gross lengthKnown for one	120 cm	Unknown — not stated by the source
Pallet gross widthKnown for one	80 cm	Unknown — not stated by the source
Pallet height (UK)Known for one	187 cm	Unknown — not stated by the source
Pallet length (UK)Known for one	120 cm	Unknown — not stated by the source
Pallet width (UK)Known for one	100 cm	Unknown — not stated by the source
Products per pallet layerKnown for one	2 pc(s)	Unknown — not stated by the source
Products per pallet layer (UK)Known for one	2 pc(s)	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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