Xerox 7142 - Page 274

9 Troubleshooting RJ-901C/RJ-900C Maintenance Manual
9-30
14 E 075 error H
overcurrent
Abnormal
condition in
print head
during plotter
operation due
to overload.
1. Check connection
of head cable
connectors on CR
board assembly side
and head side.
• Is head cable
inserted obliquely?
• Is it locked
securely?
Reconnect head cable. "4.6.1
Replacing
Print Head"
p.4-37
"4.10.1
Replacing CR
Board
Assembly"
p.4-64
2. CR board assembly
may be damaged.
• Replace CR board
assembly.
"4.10.1
Replacing CR
Board
Assembly"
p.4-64
• Cancel head error. "6.3.2
Counter
Initialization
Menu" p.6-6
3. Main board
assembly may be
damaged.
• Replace main board
assembly.
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
• Cancel head error. "6.3.2
Counter
Initialization
Menu" p.6-6
4. Print head assembly
may be damaged.
• Replace Print head
assembly.
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
• Cancel head error. "6.3.2
Counter
Initialization
Menu" p.6-6
15 E 077 error
H overheat
Abnormal
condition in
head driver.
1. Main board
assembly may be
damaged.
Replace main board
assembly.
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
Table 9-7 Symptoms and Check Items for Mechanical Serious Errors (Continued)
No. Message Event/
symptom
Check item Action Reference