Figure 1-4 Print Engine Sensor, Switch And Solenoid Locations - Tektronix Phaser 550 Service Manual

1
General Information
Manual feed
sensor
Aligning
sensor
Transparency
sensor
(transmitter)
Transparency
sensor
(receiver)
Paper low
sensor*
Paper tray
type sensors
*Unused by image processor

Figure 1-4 Print engine sensor, switch and solenoid locations

1-6 Phaser 550 Color Printer
Accumulator belt
home position sensor
Toner level
sensors
(transmitters)
Power switch
The photoconductive belt position sensor is not illustrated. This optical sensor
marks the home position of the photoconductive belt. It is mounted inside the
customer-replaceable imaging unit.
The logic state of the paper low sensor is not monitored nor used by the image
processor.
Scorotron
Image density
charger
sensor
sensor
Pre-transfer
charger
sensor
Toner level sensors
(receivers) are mounted
inside the toner cartridge
driver unit
Front right door
opened switch
Transfer waste
bin sensor
Transfer roller
position sensor
Fuser-installed
switch
Left door opened
switch
Fuser-exit
sensor
Output tray full
sensor
Paper-exit
sensor
Paper-empty
sensor
9322-01