MUTOH ValueJet - Page 338

ValueJet 1304 Service manual
AP-74109 Rev 1.1 9-24
21 E087Err H
Trans Th
Abnormal
condition in
head transistor.
Temperature
abnormality of head
transistor on main board
or sensor abnormality of
thermistor may be
occurred.
1. Replace thermistor.
2. Replace main
board.
"4.4.4
Replacing
Heater and
Thermistor
Assembly"
p.4-49
"4.3
Replacement
of Board Base
Section
Components
" p.4-23
22 E090Err
Heater Volt.
• The input voltage of
AC inlet may be too
high.
• HEATER CONT
board assembly may
be damaged.
1. Supply power to the
AC inlet with
proper voltage.
2. Replace HEATER
CONT board
assembly.
"4.3.4
Replacing
HEATER
CONT board
assembly"
p.4-30
23 E 097 error
NVRAM
Abnormal
condition in
NVRAM.
Replace main board
assembly.
"4.3.3
Replacing
Main Board
Assembly"
p.4-29
Table 9-5 Symptoms and Check Items for Mechanical Serious Errors (Continued)
No. Message Event/
symptom
Check item Action Reference