Thermostat - Toshiba 8070 Service Manual

7.2 Configuration
The following describes the configuration of the optical system and the purpose of its components.
(1) Original glass
The original glass is where the original document is placed for scanning. The exposure lamp illumi-
nates the original document.
(2) Carriage 1
Carriage 1 is the optical assembly that has the exposure lamp and is used for scanning the original
document. The illustration below shows some of the components that make up the assembly.
a. Exposure lamp
The exposure lamp is the light source used for illuminating the original document. It is a 180-watt
Halogen lamp.
b. Reflector
The reflector's purpose is to maximize the amount light being directed to the original document
that is emitted by the exposure lamp.
c. Mirror 1
Mirror 1 is for guiding light reflected from the original to mirror 2. Mirror 2 is described later on.
d. Thermostat
It is a temperature-control device that prevents over-heating of the exposure lamp's assembly.
6570/5570 SCANNER

Thermostat

Mirror 1
Reflector
Exposure lamp
Reflector
Carriage 1
Original Glass
Mirror 1
7 - 2 Mar. 1999 © TOSHIBA TEC