10.4 TONER DENSITY ADJUSTMENT (SP2-203)
When: If a customer wants to change the overall image
density.
Purpose: To change the proportion of toner by weight in the
developer.
How: SP2-203 changes the development bias used for
making the VSP pattern.
SP2-203: VSP Pattern Bias
Setting Black Toner Density Image Density
Development Bias Voltage for
the ID Sensor Pattern
1 Low Light +100V
2 +80V
3 +60V
4 +40V
5 +20V
6 Normal Normal
± 0
7
High Dark
–20V
8 –40V
9 –60V
10 –80V
1. Enter SP2-203.
2. Change the setting displayed in the reduce/enlarge indicator with the numeric
keys. Determine the new setting from the above table.
3. Leave this SP mode.
FT5535/4527/4522 5-56 FSM
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