Ricoh B234 - Page 63

SERVICE CALL CONDITIONS
SM 4-61 B234/B235/B236/D101/D102/D103
Trouble-
shooting
Book Lift Tray HP Sensor (S79) Error
SC795-31 A
The book lift tray did not go up because
the book tray lift HP sensor did not go
OFF within 1 sec. after the book tray lift
motor (M38) turned on to raise the tray.
-or-
The book lift tray did not go down
because the book tray lift HP sensor did
not go ON within 1.5 sec. after the book
tray lift motor (M38) turned on to lower
the tray.
• Book tray lift motor (M38)
connections loose, broken,
defective
• Motor defective
• Book lift tray HP sensor
(S79) harness loose,
broken, defective
• Sensor defective
Book Lift Tray Motor (M38) Error
SC795-32 A
The motor is not
rotating. The
encoder is checked
for motor lock at 50
ms intervals.
• Book lift tray motor (M38) locked, blocked by the
book press plate or a jammed book.
• Motor connections loose, broken, defective
• Motor defective
• Book lift tray HP sensor (S79) harness loose,
broken, defective
• Sensor defective
Book Buffer Tray HP Sensor (S78) Error
SC795-33 A
The book buffer tray did not leave
the home position. The book
collection buffer tray HP sensor did
not go OFF within 1 sec. after the
book buffer tray motor (M39) turned
on.
-or-
The book buffer tray did not reach
the home position. After the book
buffer tray motor (M39) turned on,
the book buffer tray did not reach
the HP sensor within 3.5 sec.
• Book collection buffer tray
overloaded.
• Book buffer tray motor (M39)
connections loose, broken,
defective
• Motor defective
• Book buffer tray HP sensor (S78)
harness loose, broken, defective
• Sensor defective
Blade Cradle HP Sensor (S83) Error
SC795-34 A
The blade cradle did not go up
after the trimming blade cradle
motor (M40) turned on long
enough to raise the blade cradle
12 mm to switch the blade cradle
HP sensor OFF.
-or-
The blade cradle did not go down
after the trimming blade cradle
motor (M40) turned on long
enough to lower the cradle 21 mm
to turn the blade cradle HP
sensor ON.
• Blade cradle motor (M40)
connections loose, broken, defective
• Motor defective
• Blade cradle HP sensor (S83)
harness loose, broken, defective
• Sensor defective
• Book press plate or cutter has
interfered with the blade cradle
movement.