IBM S544-5343-03 - Manual (Page 132)

setting.) The page-per-cartridge average goes down if you routinely print text or
graphics that cover more than 5% of the page.
When the toner cartridge is low or empty, the 02 TONER LOW message appears in the
display.
To display the number of pages printed using the current toner cartridge, select TONER
CTR on the Machine Info Menu (see “Machine Information Menu” on page 109). Note
that the counter is accurate only if it was reset when the cartridge was installed.
Use the following procedure to replace the toner cartridge.
1. Remove the optional envelope feeder (if installed). See “Removing the Envelope
Feeder” on page 177 for instructions.
2. Remove all paper from the auxiliary tray, and close it.
112 Network Printer 17: User’s Guide