Konica Minolta DF-502, Руководство по обслуживанию, Страница: 50 / 52

8. Jam Display Field Service Ver. 1.0 Apr. 2005
28
DF-502
T
roubleshooting
8.3.3 Misfeed at the Document Transport Section
A. Detection Timing
B. Action
Type Description
Document trans-
port section mis-
feed detection • The Registration Sensor (PC3/AF) is not blocked even after the lapse of a given
period of time after the Main Motor (M1/AF) has been energized.
Document left in
the document
transport section • The Registration Sensor (PC3/AF) is blocked at timing when the Power Switch
is turned ON, the cover is opened and closed, or a paper misfeed or malfunc-
tion is reset.
Relevant Electrical Components
Main Motor (M1/AF)
Registration Sensor (PC3/AF) Interface Board (PWB/AF)
Step Operations
Ref.
Page
WIRING DIAGRAM
Control signal
Location
(Electrical
Components)
1 Initial checks – – –
2 M1/AF operation check
☞
23 – D-6 (DF-502)
3 PC3/AF sensor check
☞
21 PWB/AF CN2/AF-6 (ON) H-4 (DF-502)
4 Replace PWB/AF – – –
bizhub_162_210_FS.book 28 ページ ２００５年４月１８日 月曜日 午前１０時５分