MUTOH ValueJet 1304 Service Manual page 355

VJ-1304 Maintenance Manual
Table 9-5 Symptoms and Check Items for Mechanical Serious Errors (Continued)
No. Message
4 E 068 error Abnormal
CR encoder condition in
head travel
distance (Y-
axis) during
printer
operation.
Displayed if
there is no
feedback from
encoder.
CS9050, CS9150
Event/ Check item
symptom
1. Check error history
from of "Check2:
Test" - "Test7:
Record" -
"Record2: Error" of
self-diagnosis
function.
2. Move carriage in
both directions
while the printer 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 "Check10:
Endurance" of
"Life1: CR motor"
of self-diagnosis
function, and check
if "Y motor error"
occurs.
9-17
9 Troubleshooting
Action
-
History
Menu" p.5-18
• Clean and lubricate
CR rail roller guide. Lubrication/
Bonding"
• Check connection
p.8-7
of following
connectors.
Main board:
• CR motor assembly
Replacing
connector: J21
Main Board
• CR cable connector:
Assembly"
J9 - J11
p.4-26
CR board:
• CR cable connector:
J201 - J205
Reference
"5.5.7
"8.4
"4.3.3
Rev.-01