B245/B276/B277/B268/B269 Service Manual 18-Jan-06
148
2921*
Toner Supply Mode
2921 1
[0 = Sensor 1 / 1 = Sensor 2 (DFU) / 2 = Fixed 1 (DFU) / 3 = Fixed 2]
Selects the toner supply mode. Under normal conditions this should be set to
“0”. You can temporarily change this to “3” if the TD sensor is defective. Do not
set to “1” or “2”, as these are for design use only (
p.231).
2922*
Toner Supply Time
2922 1
[0.1 ~ 5.0 / 0.4 / 0.1 s/step]
Adjusts the toner supply motor ON time for Sensor 1 and Sensor 2 toner supply
mode. Accordingly, this setting is effective only if SP 2921 is set to “0” or “1”
Raising this value increases the toner supply motor ON time. Set to a high value
if the user tends to make many copies having high proportions of solid black
image areas (
p.231).
2923*
Toner Recovery Time
2923 1
[3 ~ 60 / 30 / 1 s/step]
Adjusts the toner supply motor ON time used during toner recovery from Toner
Near End or Toner End. This setting is effective only if SP 2921 is set to “0”
Since toner recovery is carried out in 3-second cycles, the input value should be
a multiple of 3 (3, 6, 9...). (
p.231)
2925*
Toner Supply Rate
2925 1
Adjusts the toner supply time for fixed toner supply mode. This setting is
effective only if SP 2921 is set to “2” or “3”.[0 ~ 7 / 0]t = 200ms, and settings are
as follows
0 = t , 1 = 2t, 2 = 4t, 3 = 8t, 4 = 12t, 5 = 16t,
6 = on continuously, 7 = 0 s
Raising this value increases the toner supply motor ON time. Set to a high value
if the user tends to make many copies having high proportions of solid black
image areas (
p.231).
2926*
Standard Vt
2926 1
[0.00 ~ 5.00 / 2.50 / 0.01 V/step] DFU
Adjusts Vts (the Vt value for new developer). The TD sensor output is adjusted
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