Mode No. Function Settings
3-112 Forced VR
Detection
After the "Start" key is pressed, forced V
R
detection is done.
For when to use this SP mode, see "Practical
SP Mode Use Table".
3-123 Drum Initialize This resets the following data regarding the
OPC drum:
1. V
R correction level
2. V
L correction level
3. OPC counter
4. T/H correction level
This SP mode must be used only when a
new drum is installed. Refer to "Practical SP
Mode Use Table" for the exact timing for using
this SP mode.
3-801 Auto Process
Control Mode
Selection †
Selects whether auto process control mode is
on or off.
If the auto process control mode is switched
off, V
R correction, VL correction, and the
1000-copy process control cycle will not be
performed.
0: OFF
1: ON
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 "Start" key
and stop it by pressing the "Clear/Stop" 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 1000-copy process control
cycles forcibly.
V
SG initial adjustment → VR detection → VL
detection → VADS (pattern) adjustment
This mode starts after the "Start" 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.
FSM 4-25 FT5535/4527/4522
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