7. Jam display
Field Service Ver. 1.0 Apr. 2007
20
PF-502
T
roubleshooting
7.3.2
Misfeed at the tray2 to 5 paper feed/vertical transport section
A. Detection timing
B. Action
Type
Description
Paper feed/
vertical transport
section misfeed
detection
• The leading edge of the paper does not unblock the registration sensor (PS1)
even after the lapse of a given period of time after the paper feed solenoid
(SD1) has been energized.
Size error detection
• The registration sensor (PS1) is not blocked even after the lapse of a given
period of time after the paper has unblocked the registration sensor (PS1).
Paper left at the
paper feed/
vertical transport
section
• The paper feed sensor (PS2) is blocked at timing when the power switch is
turned ON, the cover is opened and closed, or a paper misfeed or malfunction
is reset.
Relevant electrical parts
Registration sensor (PS1)
Paper feed solenoid (SD1)
Paper feed sensor (PS2)
PF drive board (PFDB)
Printer control board (PRCB)
Step
Action
WIRING DIAGRAM
Control signal
Location
(Electrical
component)
1
Initial check items
—
—
2
PS1 sensor check
PRCB PJ17PRCB-3 (ON)
bizhub 163/163f/
181/211/220
C-5
3
SD1 operation check
PFDB PJ3PFDB A-1 (ON)
C to D-4
4
PS2 sensor check
PFDB PJ3PFDB B-2 (ON)
C to D-6
5
Replace DFDB
—
—
6
Replace PRCB
—
—
Содержание bizhub 163
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Страница 559: ...3 Other Field Service Ver 1 0 Apr 2007 8 SF 501 Maintenance Blank Page...
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