APPENDIX
A. GENERAL TIMING CHART
• copier mode, A4, cassette 1, 3 copies
General Timing Chart
Main power switch turned ON
Control panel power OFF
Copy start key turned ON
• copier mode, A4, cassette 1, 3 copies
INTR1
STBY
INTR2
SCFW
SCRV
SCFW
SCRV
SCFW
SCRV
LSTR
STBY
SLEEP
Main motor (M1)
AGC
Fixing heater (H4)
HP serch
Scanner motor (M2)
Scanner home position sensor (PS1)
Scanning lamp (FL1)
Shading mesurement
Cassette Pick-up solenoid
Pick-up motor (M4)
Vertical path roller clutch
Vertical path roll paper sensor
Pre-registration paper sensor
Registration clutch
Primary charging roller bias DC component
Primary charging roll bias AC component
Transfer charging roller
Separation static eliminator
Transfer guide bias
Fixing assembly bias
Laser scanner motor
Laser exposure
Developing bias DC component
Developing bias ADc component
Developing clutch (CL4)
Post-fixing sensor (PS7)
Delivery reversing motor (M8)
Delivery sensor (PS13)
Counter (CONT1)
Counter (CONT2)
Feeding fan (FM1)
Exhaust fan (FM2/FM3)
Laser cooling fan (FM4)
Electrical unit fan (FM5)
P199-1
A–1