Service Manual

TIMING CHART
4-76
IV DIAGRAMS
3
5.2 7235/7228/7222 Timing Chart
A. 8.5x11, life size, 2 copies, feed from tray 1
Note:
• This timing chart shows the case of 7235.
7322fs4009
012345678910
Item
Time (sec)
SD1 (1st paper feed solenoid /U) PS1 (Registration sensor) V-Valid PS21 (Timing sensor /U) MC1 (Registration clutch) MC2 (Loop clutch) PS2 (Fixing exit sensor) PS23 (IT exit sensor /U) M9 (Paper feed motor) M11 (Fixing motor) M1 (Main motor) SD7 (Separation claw solenoid) SD4 (Cleaning web solenoid) HV (Charging corona) HV (Developing bias) HV (Transfer corona section) HV (Separation corona) PCL (Pre-charging exposure lamp) TSL (Transfer synchronization lamp) HV (Paper entrance guide plate)
START button ON : Does not come ON for some copy counts.