If you want to completely remove iCloud Keychain sync and the information stored by it on Appleâs servers, simply follow these steps, starting on any one of your iOS devices or Macs that is using iCloud Keychain: iPhone, iPad, or iPod Touch. Go to and turn off âApprove with Security Codeâ.dding a new device to sync with iCloud Keychain. After setting up iCloud Keychain on one of your devices, you can add your other iPhone, iPad, iPod Touch or even a Mac running OS X Mavericks to your iCloud Keychain to sync all the stored information across all devices. Adding an iOS Device. 1  Go to.
Stands for Pages Per Minute.. PPM is used to measure the printing speed of both inkjet and laser printers. Most printers include a PPM rating for both black and color documents. These speed measurements are typically listed in the printer's technical specifications.his is because manufacturers measure the maximum PPM in the fastest printing mode, a.k.a. economy mode, which is also the lowest quality. When printing in regular mode, the speed may be twice as slow. When printing in fine or high-quality mode, the speed will likely be reduced even further.
Best Answer: It really depends on the printer type: Inkjet, Laser, Dye Sublimation are usually listed how many pages they can print per minute (i.e. 24 pages per minute or ppm).Dot Matrix printers are rated in how many characters per second they can print (i.e 80 characters per minute or cpm).Thermal printers are rated in how many Inches per Second of media they can produce (i.e. 8 inches per second or ips).Line printers are rated in how many lines of print per minute they can print (i.e. 1400 Lines per Minute or LPM).Source(s): Denver Al Â· 4 years ago.hermal printers are rated in how many Inches per Second of media they can produce (i.e. 8 inches per second or ips). Line printers are rated in how many lines of print per minute they can print (i.e. 1400 Lines per Minute or LPM). Source(s): Denver Al Â· 4 years ago.