Xerox 7142, Service Manual

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RJ-901C/RJ-900C Maintenance Manual 9 Troubleshooting
9-27
6 E 066 error
Y motor Abnormal
condition in
CR motor (Y-
axis) during
plotter
operation.
Displayed if
the difference
between motor
command
value and
feedback from
encoder is
large. 1. Check error history
from "Test: Elec."
of self-diagnosis
function.
2. Move carriage in
both directions
while the plotter is
turned off, and
check if there is any
position where
carriage does not
move smoothly.
3. Set the number of
endurance running
cycles to 50 or more
from "Life: CR
motor" of self-
diagnosis function,
and check if "Y
motor error" occurs.
-
• Clean and lubricate
CR rail roller guide.
• Check connection
of following
connectors.
Main board:
•
CR motor assembly
connector: J106
• CR cable connector:
J110 - J114
CR board:
•
CR cable connector:
J201 - J205
• TF_ENC assembly
connector: J210
"5.4.7
History
Menu" p.5-17
"8.4
Lubrication/
Bonding"
p.8-6
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
7 E 068 error
Y encoder Abnormal
condition in
head travel
distance (Y-
axis) during
plotter
operation.
Displayed if
there is no
feedback from
encoder.
Table 9-7 Symptoms and Check Items for Mechanical Serious Errors (Continued)
No. Message Event/
symptom
Check item Action Reference