10.3 IMAGE AREA BIAS VOLTAGE ADJUSTMENT
10.3.1 Development Bias Adjustment (SP2-201-001)
When: If the image density at manual density level 4 cannot
be adjusted to specification with the exposure lamp
voltage (SP4-001) after performing SP3-123 (drum
initialization) when the drum is replaced.
Purpose: To adjust the copy image density.
How: SP2-201-001 changes the development bias voltage
used for copying.
NOTE: Normally the SP2-201-001 setting should be "5" (standard).
Development bias adjustment should be done only when adjusting light
intensity (SP4-001) after performing the drum initialization (SP3-123), if
necessary.
SP-2-201-001 Development Bias Adjustment
Setting Density
Development Bias
Correction Voltage
1 Dark +80V
2 +60V
3 +40V
4 +20V
5 Normal
± 0V
6
Light
–20V
7 –40V
8 –60V
9 –80V
1. Enter SP2-201-001.
2. Change the setting displayed in the reduce/enlarge indicator with the numeric
keys.
3. Leave this SP mode.
FT5535/4527/4522 5-54 FSM
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