You can determine this by looking at the following: 1. The printed color becomes noticeably lighter 2. Partially missing characters or broken strokes appear 3. Printing pressure is required to see the characters clearly 4. Signs of wear appear on the ribbon surface 5. The printer prompts or the maintenance cycle expires

Based on manufacturer specifications and industry standards, the standard ribbon models for the LQ 310 dot matrix printer are: • Epson S015633 (also known as the LQ-310 Dedicated Ribbon Cartridge) This model is officially designed by Epson for the LQ 310 printer, ensuring precise

The Epson LQ-310 is a 24-pin narrow-line dot matrix printer. In the printer classification system, "dot matrix printer" is a very specific technology type. Its operating principle relies on needle-like elements in the print head that strike the ink ribbon, depositing ink in the form of dots onto the paper surface, thus forming text, numbers, or graphics.

Pros of the LQ 310 dot matrix printer: 1. Strong multi-copy printing capability 2. High durability and stability 3. Low operating costs 4. Strong paper adaptability 5. High environmental adaptability 6. Excellent character readability Cons of the LQ 310 dot matrix printer: 1. Relatively limited print speed 2. Loud printing noise 3. Weak image printing capabilities 4. Large size and weight 5. Maintains primarily monochrome output 6. Maintenance requires specialized expertise

The LQ 310 dot matrix printer is a dot matrix printer model that uses dot matrix printing technology and is part of Epson's LQ series. Its core feature is that the needles on the print head strike the ink ribbon, transferring ink in a dot matrix format onto the print medium, thereby forming characters, symbols, or graphics.

On 27 July 2022, through the on-site inspection, guidance and audit of the third-party evaluation organization, it is confirmed that COBOL's measurement management system has successfully passed the certification audit and won the "measurement management system certification (AAA) Certificate" It means that COBOL company fully complies with GB/T 19022-2003/ISO 10012-2003 measurement management system - Requirements for measurement process and measurement equipment in terms of product quality, operation management, energy conservation and consumption reduction, environmental monitoring, etc. It has been recognized by the government that the enterprise meets the ISO10012 international standard, and has been recognized by the international and domestic and foreign markets for the enterprise's measurement management ability

Product Description Model:KX-P1633 Feature: Compatible Color: Black Ribbon size: 16mm x 9m Ribbon base: Nylon 66 HD MOQ: Upon discussion Certificate: GB/T24001-2016 and ISO14001:2015 Quality: Good and similar to OEM brands Delivery time: 3~5 days Packaging: Neutral White Box or OEM Color Box Suitable for : PINACLE SHINKO KXP 1633/SHINK S4268 OEM service: Yes

Product Description Model: PR3 Feature: Compatible Compatible brand: OLIVETTI Color: Black Ribbon size: 6.35mm x 15m Ribbon base: Nylon 66 HD MOQ: Upon discussion Certificate: ISO9001:2008 and ISO14001:2004 Quality: Good and similar to OEM brands Delivery time: 3~5 days Packaging: Neutral White Box or OEM Color Box Suitable for : OLIVETTI PR3/SP40 OEM service: Yes COBOL Printer ribbon features: 1) Over 400 brand models are available; 2) Owing the full of the moulds ; 3) Unique ribbon ink developed by ourselves; 4) 12 months guarantee with the premium quality; 5) The most competitive price could be provided

Product Description Model: OKI 6100F/6300F Feature: Compatible Compatible brand: OKI Ribbon size: 12.7mm x 16m Ribbon base: Nylon 66 HD MOQ: Upon discussion Certificate: ISO9001:2008 and ISO14001:2004 Quality: Good and similar to OEM brands Delivery time: 3~5 days Packaging: Neutral White Box or OEM Color Box Suitable for : OKI ML6100F/6100F+/6300F/6300FC/760F/7100F/7150F/OKI ML6100F+/ML6300F/ML6300FC/ML7150F/ML760F OEM service: Yes Printer ribbon advantage: 1) Over 400 models are available; 2) Owing the full of the moulds ; 3) Unique ribbon ink developed; 4) The best quality and the most competitive price could be provided.

Product Description Model: DS6400III Feature: Compatible Compatible brand: DASCOM Color: Black Ribbon size: 12.7mm x 12/16m Ribbon base: Nylon 66 HD MOQ: Upon discussion Certificate: ISO9001:2008 and ISO14001:2004 Quality: Good and similar to OEM brands Delivery time: 3~5 days Packaging: Neutral White Box or OEM Color Box Suitable for: DASCOM DS6400III/6400TX/3100/3100II/3100X/3100TX/800/800H/810/7310/AR700 OEM service: Yes Cobol 30 years manufacturer of printer supplies. Ribbon cartridge is our fragship product: Over 500 models available Unique ribbon ink owned Strong and innovative R & D team Premium quality and huge cost-saving Contact us now. To be your reliable solution provider is our mission.