Ricoh MP C4503 Technical Bulletin page 444

Reissued: 05-Oct-15
Model:
MET-C1b
MP C4503/5503/600
Is fuse 6 on the IPU
operating correctly?
See [B]
Yes
USB cable or
operation panel
See [D] and [E]
echnical
T B
SC672 Occurs
Is LED 8 on the CTL
blinking?
See [A] below
Yes
No
IPU
Yes
Is the jumper SW on
the FCU ON?
See [C]
Yes
Does SC672 still
occur even after
FCU board is
removed?
No
FCU
ulletin
Date:
22-May-15
No
Are LEDs 2 to 7 blinking
every 5 sec?
See [A]
No
Is the FCU board
installed?
No
No
Turn the
jumper
switch ON.
Yes
CTL board
PAGE: 5/19
No.:
RD147144b
Yes
Memory on
the CTL
board