Xerox 7142 Service Manual page 256

9 Troubleshooting
Table 9-3 Symptoms and Check Items for Errors with Message(Continued)
No. Message
6 [KCMY]
No Cartridge
Event/ Check item
symptom
Cartridge is not 1. Turn machine OFF.
installed. Turn it ON again
and check if the
same message
appears.
2. Check presence of
ink cartridge from
"Sen: Ink NOT" of
self-diagnosis
function.
3. Check contact of
ink NOT sensor
assembly
connector.
4. For the ink color
that is displayed as
"Little ink" or "No
ink", switch ink
NOT sensor
assembly connector
with that of
normally displayed
ink color.
RJ-901C/RJ-900C Maintenance Manual
If message appears:
Refer to action in check
item No. 2.
Remove all cartridges
and lightly push the
switch of ink NOT
sensor assembly (K1,
K2, C, M, Y) with
something with a flat tip
such as ballpoint pen to
check that the display of
"Sen: Ink NOT"
changes.
Reconnect following
connectors.
• Connector
J115(K1)
• Connector
J116(K2)
• Connector J120(C)
• Connector J121(M)
• Connector J122(Y)
If ink color displayed as
"No ink" changes after
replacing connector:
Ink sensor assembly is
damaged. Replace ink
sensor assembly.
If ink color displayed as
"No ink" does not
change after replacing
connector:
Main board assembly
may be damaged.
Replace main board
assembly.
9-12
Action Reference
-
"5.4.4
Sensor
Menu" p.5-13
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
"4.8.1
Replacing
Ink Holder (I/
H)
Assembly"
p.4-55
"4.3.3
Replacing
Main Board
Assembly"
p.4-21