Ricoh FT8680 Service Manual page 193

SERVICE PROGRAM MODE
8
SP Test Mode – 3 (PAGE 1 - 3)
Item
Charge Cleaner
ID Sensor
ADS Sensor
Drum Potential
Sensor
Exposure Lamp
A171M521.img
Function
Turns on the charge and T/S
corona wire cleaners (one cycle).
Adjusts Vsg automatically and
makes an ID sensor pattern, then
checks Vsp .
Adjusts the ADS sensor
automatically and measures the
original background density.
Applies 100 V and 800 V to the
drum drive shaft from the
development bias power pack and
measures V and V
100
Turns on the exposure lamps and
measures the lamp intensity
sensor value.
Touch
1. Touch
2. Press the "Start" key top on
the
operation unit.
Note: The test result can be
displayed in Sensor Output
(SP mode
.
800
1. Touch
lamps.
2. Touch
lamps.
Note: The test result can be
displayed in Sensor Output
(SP mode
4-16
1 July 1995
Test Method
.
START
on the display.
SET
7 ).
to turn on the
SET
to turn off the
RESET
7 ).