Toshiba E-STUDIO230 Operator's Manual page 260

2.REPLACE TONER CARTRIDGE SYMBOL (Cont.)
Additional Explanation
The life of the toner cartridge (number of copies) varies depending on the forllowing conditions.
1 Coverage of originals (printing ration of copies) varies depending on the following conditions.
2 Size and density of originals
3 The existence of solid black when making copies (when a book is copied and the original cover is partially
open.)
4 Temperature and humidity in the room when making copies.
5 Copy density and image quality mode
As indicated in the figure below, the life of the toner cartridge varies depending on the copy mode and the
coverage of the originals.
Type of originals
12
258
12.WHEN THE GRAPHIC SYMBOLS BLINK ON THE TOUCH PANEL
20,000
9,000
6,000
A B
C
9,000
A
25,000
17,000
A A
B C