Flow Charts - Toshiba MY-1015 Service Manual

3.4 Flow Charts

Process system control
Polygon motor
OK?
YES
Laser ON
Transfer bias ON
Transfer guide bias ON
Laser OFF
Transfer bias OFF
Transfer guide bias OFF
HSYNC
OK
YES
NO
Remaining
copy count 0?
YES
Polygon motor OFF
End of process
system control
October 2000 © TOSHIBA TEC
Start button ON
Main motor ON
Polygon motor ON
Process unit fan motor high speed rotation
Development bias ON
Separation bias ON
Charge bias ON
Discharge lamp ON
Transfer system control
NO
Service call
"CA1"
PFU pickup clutch ON
PFU pickup clutch OFF
2nd feed clutch ON
NO
Service call
2nd feed clutch OFF
"CA2"
NO
NO
Main motor
OK?
Service call
YES
"C01"
NG
2nd feed
sensor check
Paper jam
OK
"E14"
NG
Feed sensor
check
Paper jam
OK
"E31"
Remaining
copy count 0?
YES
A
3 - 3
Optical system control
Retraction of carriage
Black shading
Exposure lamp ON
Stop of carriage
Advance of carriage
White shading
Scanning of document
Stop of carriage
Exposure lamp OFF
Retraction of carriage
Stop of carriage
End of optical
system control
MY-1015 OPERATIONAL DESCRIPTION