Konica Minolta BIZHUB 164 Service Manual

Field Service Ver. 2.0 Jun. 2010 13. JAM DISPLAY
125
bizhub 164
TROUBLESHOOTING
13.3.3 Misfeed at the bypass tray paper feed section
A. Detection timing
B. Action
Type Description
Manual bypass tray
paper feed section
misfeed detection
• If the paper feed from the bypass tray fails, the machine retries twice. However
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 two retries.
•The paper fed from the bypass tray does not unblock the registration sensor
(PS1) within the given period of time.
Relevant electrical components
Registration sensor (PS1)
Bypass paper feed clutch (CL3)
Main motor (M1)
Printer control board (PRCB)
Step Operations
WIRING DIAGRAM
Control signal
Location
(Electrical compo-
nents)
1Initial check items - -
2Check the connector between M1-PRCB
CN6 for proper connection and correct as
necessary.
--
3Check the M1 connector for proper drive
coupling and correct as necessary.
--
4Check the connector between PS1-relay
CN24-PRCB CN9 for proper connection
and correct as necessary.
--
5Check the connector between CL3-relay
CN3-relay CN6-PRCB CN8 for proper con-
nection and correct as necessary.
--
6PS1 sensor check PRCB CN9-7 (ON) C-11
7CL3 operation check PRCB CN8-10 (REM) E-11
8M1 operation check PRCB CN6-7 (LOCK) D-9
9Replace PRCB. - -

Konica Minolta BIZHUB 164 Specifications

General

Print Technology	Laser
Print Speed	16 ppm
Print Resolution	600 x 600 dpi
Copy Speed	16 cpm
Copy Resolution	600 x 600 dpi
Scan Resolution	600 x 600 dpi
Paper Capacity	250 sheets
Interface	USB 2.0
Warm-up Time	29 seconds
Paper Input Capacity	250 sheets
Memory	32 MB
Type	Monochrome
Maximum Paper Size	A3
Duplex Printing	Manual
Network Connectivity	No
USB Connectivity	Yes
Paper Size	A5
Fax Resolution	Not applicable