Xerox 7142 Service Manual - page 258
9 Troubleshooting
RJ-901C/RJ-900C Maintenance Manual
9-14
7
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.
•
If cartridge
displayed as NG
changes:
Ink ID sensor
assembly displayed
as NG is damaged.
Replace defective
ink ID sensor
assembly.
"4.8.1
Replacing
Ink Holder (I/
H)
Assembly"
p.4-55
•
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.
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
8
Warning:
Waste fluid
box full
Waste fluid
box is almost
full.
1. Turn machine OFF.
Turn it ON again
and check if the
same message
appears.
If the message appears:
Refer to the action in
check item No. 2.
-
2. Waste ink in waste
fluid box reaches
full level.
Replace waste fluid box.
Operation
Manual
3. Main board
assembly may be
damaged.
Replace main board
assembly.
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
9
Warning: Ink
tube life
Ink tube life
has almost
expired.
1. Turn machine OFF.
Turn it ON again
and check if the
same message
appears.
If the message appears:
Refer to the action in
check item No. 2.
-
2. Use of ink tube has
exceeded specified
level.
Replace ink tube.
"4.10.2
Replacing
Ink Tube"
p.4-65
3. 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