Ricoh FT4227 Manual page 616

12 February 1992
4.2 SWITCHES
Component
Upper paper size
(SW1)
(SW2)
(SW3)
(SW4)
Lower paper size
(SW5)
(SW6)
(SW7)
(SW8)
Color detection
(SW9)
Exit cover
(SW10)
Platen cover
(SW11)
Front door safety
(SW12)
Main SW
(SW13)
LCT cover -1
(SW14)
ELECTRICAL COMPONENT DEFECTS
CN No. Condition
104-B1 Open
104-B2
104-B3
104-B4
Shorted
104-B 9 Open
104-B10
104-B11
104-B12
Shorted
Open
111-A6
111-B7
Shorted
Open
111-B10
Shorted
Open
111-B12
Shorted
— Open
— Shorted
— Open
— Shorted
Open
105-B14
Shorted
6-41
Symptom
The CPU cannot detect proper
paper size, and misfeeds may
occur when copies are made.
The CPU cannot detect proper
paper size, and misfeeds may
occur when copies are made.
The CPU cannot detect proper
color development unit, and
cannot properly control the copy
process system for the
development unit. This may
cause an abnormal image.
"C-2" is displayed even if the exit
cover is closed.
"C-2" is not displayed even if exit
cover is opened.
The CPU cannot detect proper
original size correctly.
"C-1" is displayed even if the front
door is closed.
"C-1" is not displayed even if the
front door is opened.
The copier does not turns on.
The copier does not turns off.
When LCT is selected, "C-4" is
displayed even if LCt cover is
closed.
When LCT is selected, "C-4" is
not displayed even if LCT cover is
opened.