Ricoh A217 Service Manual page 27

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SP MODE
Mode No.
Class 1
Class 2
2 *
Transfer Current
Adjustment
(2nd side of the
paper)
2301 *
6 *
Transfer Current
Adjustment
(By-pass Feed)
2801
TD Sensor Initial
Setting
2803
Forced Charge
Corona Wire
Cleaning
2804 *
1 *
Charge Corona
Wire Cleaning
Enable/Disable
2 *
Charge Corona
Wire Cleaning
Interval
2902
1
Test Pattern
Printing
(Analog Video
Processing)
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If the user uses thicker paper, the
current may have to be increased to
ensure sufficient transfer of toner.
Adjusts the current applied to the
transfer belt during copying on the
2nd side of the paper.
See above.
Adjusts the current applied to the
transfer belt during copying from the
by-pass feed table.
See above; note that thicker paper
can be fed from the bypass feed tray,
so the factory setting is higher.
Performs the TD sensor initial
setting. This SP mode controls the
voltage applied to the TD sensor to
make the TD sensor output about 2.5
V.
Use this mode only after installing the
machine, changing the TD sensor, or
the adding new developer.
Forces the charge corona wire
cleaning motor to start cleaning.
This only works if the optional wire
cleaning motor is installed.
Determines whether to clean the
charge corona wire every time
interval set with SP 2804-2.
This only works if the optional wire
cleaning motor is installed.
Changes the interval for charge
corona wire cleaning.
This only works if the optional wire
cleaning motor is installed.
Prints the test patterns for analog video processing.
See section 2.2.2 for how to print test patterns.
0. Not used
2. 128-dot intervals
This SP mode is useful for finding whether the SBU or
EX-IPU failed. If the printout is OK, the SBU is
defective. If the printout is not OK, the EX-IPU is
defective.
24
Function
1. 16 gradations
3. 64-dot intervals
14 August 1997
Settings
10 ~ 60
2
1
A/step
2 2
40
A
10 ~ 60
2
1
A/step
2 2
60
A
Enabled
Disabled
100 ~ 10000
100
copies/step
2500 copies

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