This results in slightly better looking output, but does not match the true 600x600 resolution of most laser printers. By replacing the black ribbon or cartridge with a three color model, some printers can produce full-color output. For ink-jet printers, color tends to be quite acceptable. You will find that color cartridges do not last very long, but portable models are acceptable for a few color pages. Color with thermal transfer printers tends to be less useful.
Most color ribbons have difficulty lasting even a full page.
Even worse, color tends to be not professional enough for most businesses. Thermal printers cannot print in color, since the paper controls the printing process. Printing Performance For black and white printing, most portable models can print a maximum of four pages per minute. In practice, many print at closer to one page per minute. For color or more complicated graphics, some printers will require as long as 45 minutes to churn out a full-color image.