Toshiba e-STUDIO 550, Service Manual

Page: 50 / 346

e-STUDIO550/650/810 COPY PROCESS 3 - 6 JUNE 2002 © TOSHIBA TEC
Additional Explanation
The life of the toner cartridge (number of copies) varies depending on the following conditions.
1. Coverage of originals (printing image ratio of the original size) and density of original background
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
coverage of originals
Type of originals
A.
B.
C.
A
20,000
30,000
40,000
50,000
60,000
70,000
74,000
A
20,000
30,000
40,000
46,000
B
20,000
27,000
15,000
C
A
20,000
30,000
38,000