Olivetti d-color MF651, Service Manual, Page: 783 / 1053

Field Service Ver. 2.0 Jul. 2009 19. TROUBLE CODE
723
TROUBLESHOOTING
C1190 Alignment plate motor
drive malfunction
<When FS-527 is installed>
• The alignment plate home sensor (PS17) is
turned neither ON nor OFF even after the
set period of time has elapsed after the
alignment plate motor (M13) is turned ON.

B
C1191 • Undetectable
C1194 Leading edge stopper
motor drive malfunction
<When FS-527 is installed>
• The leading edge stopper home sensor
(PS20) is turned neither ON nor OFF even
after the set period of time has elapsed after
the leading edge stopper motor (M14) is
turned ON.
Staple B
C11A0 • Undetectable
C11A1 Tray 2 exit roller pressure/
retraction malfunction
<When FS-527 is installed>
• The exit roller pressure sensor (PS12) is
turned neither ON nor OFF even after the
set period of time has elapsed after the exit
roller retraction motor (M9) is turned ON.
 B
C11A2 Accommodation roller
pressure/ retraction mal-
function
<When FS-527 is installed>
• The accommodation roller pressure sensor
(PS13) is turned neither ON nor OFF even
after the set period of time has elapsed after
the accommodation roller retraction motor
(M10) is turned ON.
 B
C11A3 • Undetectable
C11A4
C11A5
C11A6
C11A7 Tray 3 exit roller pressure/
retraction malfunction
<When JS-603 is installed>
• The exit roller pressure sensor (PS12) is
turned neither ON nor OFF even after the
set period of time has elapsed after the exit
roller retraction motor (M9) is turned ON.
 B
C11B0 Stapler movement drive
malfunction
<When FS-527 is installed>
• During home position search, neither the
stapler home sensor/1 (PS18) nor the sta-
pler home sensor/2 (PS19) is turned ON or
OFF even after the set period of time has
elapsed after the stapler movement motor
(M11) is turned ON.
Staple B
C11B1 • Undetectable
C11B2 Staple drive malfunction <When FS-527 is installed>
• The stapler home sensor is turned neither
ON nor OFF even after the set period of
time has elapsed after the stapler motor is
turned ON.
Staple B
C11B3 • Undetectable
C11B4 • Undetectable
Code Item Detection timing
Trouble iso-
lation
Rank
Y110571-1 Service Manual