Toshiba E-STUDIO520, Service Manual, Page: 297 / 592

March 2005 © TOSHIBA TEC e-STUDIO520/600/720/850 PREVENTIVE MAINTENANCE (PM)
4 - 9
4
4.3 Operational Items in Overhauling
Overhaul each equipment with the following timing.
e-STUDIO520:
When the number of output pages has reached 900,000 or 2.5 years have
passed from the start of use (Whichever is earlier)
e-STUDIO600: When the number of output pages has reached 1,000,000 or 2.5 years have
passed from the start of use (Whichever is earlier)
e-STUDIO720: When the number of output pages has reached 1,150,000 or 2.5 years have
passed from the start of use (Whichever is earlier)
e-STUDIO850: When the number of output pages has reached 1,200,000 or 2.5 years have
passed from the start of use (Whichever is earlier)
(1) Replace all the supplies.
(2) Check the components in the drive section (gears, pulleys, timing belts, etc.). Replace them with
new ones if they are damaged.
(3) Check all the adhesives such as tape and Mylar if they are damaged or have become unstuck.
Replace them with new ones if necessary.
(4) Check the performance of all the switches and sensors. Replace them with new ones if neces-
sary.
(5) Clean inside the equipment thoroughly.