Lexmark C748 User's Guide - Page 230

Troubleshooting 230 88.xx [Color] cartridge critically low The specified toner cartridge is critically low. 1 For instructions on replacing a toner cartridge, select More Information on the printer control panel. 2 Select Continue to clear the message and continue printing. For non‑touch‑screen printer models, press to confirm. 88.xx [Color] cartridge very low The specified print or toner cartridge is very low. 1 For instructions on replacing a cartridge, select More Information on the printer control panel. 2 Select Continue to clear the message and continue printing. For non‑touch‑screen printer models, press to confirm. Solving printing problems Confidential and other held jobs do not print These are possible solutions. Try one or more of the following: PARTIAL JOB, NO JOB, OR BLANK PAGE PRINTS The print job may contain a formatting error or invalid data. • Delete the print job, and then print it again. • For PDF documents, recreate the PDF and then print it again. If you are printing from the Internet, then the printer may be reading multiple job titles as duplicates and deleting all jobs except the first one. • For Windows users, open Print Properties. From the Print and Hold dialog, select the "Keep duplicate documents" check box under the User name text box before entering a PIN number. • For Macintosh users, save each print job, naming each job differently, and then send the individual jobs to the printer. MAKE SURE THE PRINTER HAS SUFFICIENT MEMORY Free up additional printer memory by scrolling through the list of held jobs and deleting some of them. Error message about reading USB drive appears Make sure the flash drive is supported.