10 August, 2001 SERVICE PROGRAM MODE
4-23
Service
Tables
2
Mode Number/Name Function/[Setting]
Toner Supply Rate925*
Adjusts the toner supply rate for fixed toner supply
mode.
This SP is effective only when SP2-921 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: t 4: 12t
1: 2t 5: 16t
2: 4t 6: On continuously
3: 8t 7: 0 s
t: 200 ms
[0 ~ 7 / 0 / 1/step]
Standard Vt926*
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 SP2-921 is “0”, “1”, or
“2”.
Do not change this value.
[0.00 ~ 5.00 / 2.50 / 0.01 V/step]
ID Sensor Control927*
Selects whether the ID sensor is used or not for toner
density control.
If this value is “0”, dirty background may occur after the
machine has not been used for a long time.
[0 = No / 1 = Yes]
Toner End Clear928*
Clears the toner end condition.
Press Execute on the touch panel to clear the toner
end condition without adding new toner.
If press Execute, the following are cleared.
• Toner end indicator (goes out)
• Toner near-end counter
• Toner near-end level
When making a lot of copies after changing this setting
to “1”, the carrier may be attracted to the drum when
the toner runs out, which may damage the drum.
Vref
1 Upper Limit Adjusts the upper limit for Vref.
[0.00 ~ 5.00 / 3.10 / 0.01 V/step]
929*
2 Lower Limit Adjusts the lower limit for Vref.
[0.00 ~ 5.00 / 1.40 / 0.01 V/step]
TD Sensor Manual Setting930*
Adjusts the TD sensor output. DFU
[0.5 ~ 3.5 / 0.0V / 1V/step]
TD (V/wt%) Setting931*
Adjusts the TD sensor sensitivity (coefficient: S) for
toner density control. DFU
[0.01 ~ 1.50 / 0.4 / 0.1/step]
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