Ricoh Aficio FT4027, Service Manual

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Mode No. Function Settings
3-801
Auto Process
Control Mode
Selection † Selects whether auto process control
mode is off or performed at the interval
shown.
If the auto process control mode is
switched off, V
R
correction, V
L
correction, and the 1,000-copy process
control cycle will not be performed.
0: OFF
1: 1,000 copies
2: 500 copies
3: 200 copies
This SP mode can be used to help
determine whether a copy quality
problem is caused by process control or
by the machine itself.
3-901
Free Run
(Exposure
Lamp Off) Performs a free run with the exposure
lamp off.
Start the free run by pressing the
key and stop it by pressing the key.
Be sure to perform this mode without
a development unit, or too much toner
will be consumed from the developer,
causing low image density.
3-902
Forced Process
Control Performs the 1,000-copy process control
cycles forcibly.
V
SG
initial adjustment
→
V
R
detection
→
V
L
detection
→
V
ADS
(pattern)
adjustment
This mode starts after the key is
pressed.
4-001
Exposure Lamp
Voltage
Adjustment † Adjusts the exposure lamp voltage
(0.5 V per step [Range: 50.0 V to 75.0 V]) 50.0 ~ 75.0 V
Default = 63 V
‡
For 115 V machines, the actual applied
voltage = displayed value x 1.1412.
After doing this SP mode, ADS initial
setting (SP4-201) and forced V
L
detection (SP3-105) must also be
done.
See "Replacement and Adjustment -
Copy Quality Adjustments" for how to
adjust.
°4-002
Exposure Lamp
Voltage Display
† Displays the current exposure lamp
voltage.
(0.5 V per step [Range: 50.0 V to 85.0 V]) 50.0 ~ 85.0 V
For 115 V machines, the actual applied
voltage = displayed value x 1.1412.
4-008
Vertical
Magnification
Adjustment † Adjusts the magnification in the paper
travel direction.
(0.1% per step [Range: –1.6% to +1.6%])
See "Replacement and Adjustment -
Copy Quality Adjustments" for how to
adjust. 0 ~ 32
Default = 16 ‡
SERVICE PROGRAM MODE
A207/A208/A211 1-72 SM