SP2xxx: Drum
SM 5-33 D017/D018/D019/D020
Service
Tables
Toner Recovery Time
2923*
Adjusts the toner supply motor on time during recovery from toner
near-end/end.
This SP is effective only when SP2921 is “0”, “1”, or “2”.
[1 to 60 / 30 / 1 s/step]
Note that toner recovery is done in a 3-second cycle. So, the input value
should be a multiple of 3 (e.g. 3, 6, 9). See “Toner Density Control” for more
details.
Toner Supply Ratio
2925*
Adjusts the toner supply rate for fixed toner supply mode.
This SP is effective only when SP2921 is “2” or “3”.
Increasing this value increases the toner supply motor on time. So, use a
high value if the user tends to make lots of copies that have a high
proportion of black. See “Toner Density Control” for more details.
[0 to 7 / 0 / 1/step]
0: t, 1: 2t, 2: 4t, 3: 8t, 4: 12t, 5: 16t, 6: On continuously, 7: 0 s
t: 200 ms
Standard Vt DFU
2926*
Adjusts Vts (Vt for a new PCU). The TD sensor output is adjusted to this
value during the TD sensor initial setting process. This SP is effective only
when SP2921 is “0”, “1”, or “2”.
[0.00 to 5.00 / 2.50 / 0.05 V/step]
ID Sensor Control
2927*
Selects whether the ID sensor is used or not for toner density control.
[0 = No / 1 = Yes]
If this value is “0”, dirty background may occur after the machine has not
been used for a long time.
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