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SERVICE PROGRAM MODE
Mode No.
Auto ADS Gain
56
Adjustment
Toner End Counter
58
Check
Bias Voltage
59
Check p
Grid Reference
62
Voltage
Black Developer
65
Initialize
66
Drum Initialize
Drum Correction
67
Level (V
)
R
Lamp Correction
68
Level (V
)
L
Function
Adjusts the ADS gain data automatically when
the start key is pressed.
(Close the platen cover to prevent external
light from reaching the ADS sensor when
performing this adjustment.
The gain data is displayed in the three digit
indicator.
The adjusted ADS sensor output voltage can
be monitored by SP167.)
Displays the contents of the black toner end
counter.
(Toner end condition is not counted if the
toner end condition happens within 250
copies after the previous toner end condition.)
Displays bias voltage. Press the Start key to
display the bias voltage. Press the C/S key to
stop.
Sets the grid voltage correction data to correct
the output from the high voltage supply board
[G].
(A label on the high voltage supply board
gives the correct value.
When the high voltage supply board [CTBG] is
replaced, set the data using SP62.)
Agitates new black developer for about 5
minutes.
Press the start key to begin operation.
(This mode must be performed when new
developer is put in.
The three digit indicator shows the remaining
time of the operation in seconds.)
Used to set new drum condition.
(This must be done when a new drum is
installed. The OPC counter, V
level, and Vref [initial Vlp/Vlg] are cleared.
To set, press "1" then the "# " key.
The three digit indicator counts down from 100
to 0 as the initialization is done.)
Displays the present V
(V
level [%]= Vrp/Vrg x 100)
R
Displays the present Vdat.
(Vdat = Vlp/Vlg x 100)
The V
level (%) is displayed while the "• " key
L
is held down.
(V
level [%] = Vdat/Vref x 100
L
= [(Vlp/Vlg)/(Initial Vlp/Vlg)] x 100)
4-8
correction
R
correction level.
R
10 July 1992
Data
[V]
704
0: NO
1: YES
[Display only]
0: 100-84
1: 83-58
2: 57-41
3: 40-28
4: 27-0
[Display only]
V
level
L
0-100
: + 1V
101-150 : 0V
151-
: –1V
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