Ricoh A217 Service Manual page 27

SP MODE
Mode No.
Class 1 Class 2
2 *
2301 * 6 *
2801
2803
2804 * 1 *
2 *
2902 1
If the user uses thicker paper, the
current may have to be increased to
ensure sufficient transfer of toner.
Transfer Current Adjusts the current applied to the
Adjustment transfer belt during copying on the
(2nd side of the 2nd side of the paper.
paper)
See above.
Transfer Current Adjusts the current applied to the
Adjustment transfer belt during copying from the
(By-pass Feed) by-pass feed table.
See above; note that thicker paper
can be fed from the bypass feed tray,
so the factory setting is higher.
TD Sensor Initial Performs the TD sensor initial
Setting 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.
Forced Charge Forces the charge corona wire
Corona Wire cleaning motor to start cleaning.
Cleaning
This only works if the optional wire
cleaning motor is installed.
Charge Corona Determines whether to clean the
Wire Cleaning charge corona wire every time
Enable/Disable interval set with SP 2804-2.
This only works if the optional wire
cleaning motor is installed.
Charge Corona Changes the interval for charge
Wire Cleaning corona wire cleaning.
Interval
This only works if the optional wire
cleaning motor is installed.
Test Pattern Prints the test patterns for analog video processing.
Printing See section 2.2.2 for how to print test patterns.
(Analog Video 0. Not used
Processing) 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.
Function
1. 16 gradations
3. 64-dot intervals
24
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