Xerox 7142, Service Manual

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