Sharp SF-1014 Service Manual page 84

Purpose/kind Section
Adjustment Developer unit
Process
Setting Specifications
Main Sub
code code
25 2 (Operation/procedure)
After 3 minutes from start of stirring of the DV unit after the main motor
rotation, toner density is sampled 16 times during 8 sec, and the average
value is stored as the toner density reference value in the RAM.
With this reference value as the threshold value, the toner density is control-
led.
M.M
DV.Bias
(Note) Do not perform this simulation except for when replacing the developer
with a new one.
If this simulation is performed in the other case, overtoning or undertoning
may occur, resulting in a poor copy quality.
8 2 Used to check the voltage of the main charger and the transfer charger in the
manual and auto copy mode.
The main charger and the transfer charger unit are turned on for 30 sec in the
manual and auto copy mode.
3 Used to check the voltage of the main charger and the transfer charger in the
photo copy mode.
The main charger and the transfer charger unit are turned on for 30 sec in the
photo copy mode.
4 Used to check the voltage of the main charger and the transfer charger in the
manual and auto copy mode..
The main charger and the transfer charger unit are turned on for 30 sec in the
toner save mode. (manual and auto copy mode)
7 Used to check the separation charger voltage.
The separation charger unit is turned on for 30 sec.
9 Used to check the voltage of the main charger, the transfer charger, and the
separation charger.
The main charger unit, the transfer charger unit, and the separation charger
unit are turned ON for 30 sec.
26 6 Used to set the destination.
(Operation/procedure)
When the simulation key operation is performed, the code number of the
currently set destination is displayed.
Enter the code number corresponding to the desired destination and press the
print button, and the specifications for the destination will be set.
Code No.
00
01
02
03
04
05
06
07
08
30 Setting for CE standards
After pressing the print switch, the currently set code is displayed. Enter the
following set code with the 10-key pad and press the print switch.
0: non CE
1: CE (Set to 1 for the areas of 200V/50Hz.
1: CE (Set to 0 for the areas of 100V/60Hz.)
Contents
Description
3mi n
Destination
Japan
SEC
SECL
SEEG
SUK
SCA
Other inch series
Other AB series
LAG
8 – 7
Ref. page
4-5
8sec 500msec
Grid voltage
–750±10V
Grid voltage
–459.9±10V
Grid voltage
–634.4±10V
7-30