Xerox 7142 Service Manual page 258

9 Troubleshooting
Table 9-3 Symptoms and Check Items for Errors with Message(Continued)
No. Message
7
8 Warning:
Waste fluid
box full
9 Warning: Ink
tube life
Event/ Check item
symptom
5. For cartridge that is
displayed as NG in
"Sen: Ink NOT" of
self-diagnosis
function, switch ink
ID sensor assembly
connector with that
of normally
displayed cartridge.
Waste fluid 1. Turn machine OFF.
box is almost Turn it ON again
full. and check if the
same message
appears.
2. Waste ink in waste
fluid box reaches
full level.
3. Main board
assembly may be
damaged.
Ink tube life 1. Turn machine OFF.
has almost Turn it ON again
expired. and check if the
same message
appears.
2. Use of ink tube has
exceeded specified
level.
3. Main board
assembly may be
damaged.
RJ-901C/RJ-900C Maintenance Manual
• If cartridge
displayed as NG
changes:
Ink ID sensor
assembly displayed
as NG is damaged.
Replace defective
ink ID sensor
assembly.
• If cartridge
displayed as NG
does not change, or
all units are
displayed as NG:
Main board
assembly may be
damaged. Replace
main board
assembly.
If the message appears:
Refer to the action in
check item No. 2.
Replace waste fluid box.
Replace main board
assembly.
If the message appears:
Refer to the action in
check item No. 2.
Replace ink tube.
Replace main board
assembly.
9-14
Action Reference
"4.8.1
Replacing
Ink Holder (I/
H)
Assembly"
p.4-55
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
-
Operation
Manual
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
-
"4.10.2
Replacing
Ink Tube"
p.4-65
"4.3.3
Replacing
Main Board
Assembly"
p.4-21