Ricoh D009 Service Manual page 585

paper trays. Thicker paper, OHP sheets, etc. can also be loaded in the by-pass tray but
adjustments must be performed with the SP modes listed below in order to avoid jams and
misfeeds.
SP Mode SP Name
SP2201 1 Development Bias
SP2309 1 Paper Lower Width [a]
SP2309 2 Paper Upper Width [b]
SP2914 3
Process Control Setting (Bγ)*
SP2914 4
Process Control Setting (Bδ)*
*: γ - Gamma, δ - Delta
The way that these SP modes are used is shown below.
For example, with the default settings, if the paper width fed from the by-pass tray is 200 mm,
the development bias voltage will be –560 + 50 V.
SM
Width 216 - 297 mm (Default: -560V)
Width limit (Default: 150 mm)
Width limit (Default: 216 mm)
Adjust 10V/step (Default: 200V)
Adjust 10V/step (Default: 50V)
6-35
Development
D009/D011/D012/D013