13-7.Toner Replenishing Control; 13-8.Toner Supply Port Covering/Uncovering Mechanism - Minolta CF1501 Service Manual

13-7. Toner Replenishing Control
• The T/C ratio is detected when Developing Clutch C, M, Y, or Bk is energized (during a
copy cycle).
• The detection time varies with the system speed.
• The copier compares the T/C reading against "ATDC Level Setting" of "Tech. Rep.
Mode" to determine the toner replenishing time.
• The maximum length of time through which toner is replenished is fixed since toner
replenishing is possible only while the developer is being agitated.
• If the copier fails to complete replenishing toner before the fixed maximum length of time
elapses, it stores the excess time in memory and adds it to the next toner replenishing
time.
13-8. Toner Supply Port Covering/Uncovering Mechanism
• This mechanism prevents toner from being spilled through the Toner Supply Port when
the Imaging Unit is slid out of the copier.
Imaging Unit
Shutter
4004M014AB
M-48
When sliding out
the Imaging Unit
When the Imaging Unit
has been slid out
4004M015AB