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Yellow dots on white paper, produced by color laser printer (enlarged, dot diameter about 0.1 mm) Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code (MIC), is a digital watermark which many color laser printers and photocopiers produce on every printed page that identifies the specific device that was ...
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A printing protocol is a protocol for communication between client devices (computers, mobile phones, tablets, etc.) and printers (or print servers).It allows clients to submit one or more print jobs to the printer or print server, and perform tasks such as querying the status of a printer, obtaining the status of print jobs, or cancelling individual print jobs.
Security printing is the field of the printing industry that deals with the printing of items such as banknotes, cheques, passports, tamper-evident labels, security tapes, product authentication, stock certificates, postage stamps, and identity cards. The main goal of security printing is to prevent forgery, tampering, or counterfeiting.
Find My is an app and service that enables users to track the locations of iOS, iPadOS, macOS, watchOS, AirPods, AirTags and accessories compatible with the Find My network. The app was first released with iOS 13 on September 19, 2019, and combines both the Find My iPhone and Find My Friends apps. [ 25 ]
They produced print quality that was better than the dot matrix ImageWriters, and were cheaper than the LaserWriters. All but a few models contained Canon print engines, a few were rebadged Canon printers, while the last few were rebadged HP DeskJet printers. The Apple Color Printer was the first color inkjet printer sold by Apple.
Save a physical copy of important emails you've sent or received. Check out how to print emails and attachments in AOL Mail. 1. Open the email you'd like to print. 2. Click the Print icon. - A window will appear with your message. 2. Click the Print icon again. 3. Follow the browser prompts to finish printing.
ImageWriter LQ (Letter Quality) is a 27-pin dot matrix printer introduced in 1987 by Apple Computer, Inc. The print quality was comparable to competing 24-pin dot-matrix printers, and offered graphics at 320 × 216 DPI. Guaranteed compatibility with both Apple II and Mac computers made it popular in schools. [citation needed]