Specifications

Rockhopper 38 – Maintenance Manual
204
AP-74038, Rev. 1.1, 25/01/05
No Message Explanation N° Checkpoint Action
1.1 • Use the self-
diagnostic
“Examination/Hist
ory” to check the
history of faults.
1.2 • With power off,
move the
carriage to left
and right. Is the
movement
restricted?
→ Clean and lubricate the Y
rail rollers.
1.3 • Use the self-
diagnostic
“Aging/Carriage
Motor” with a
setting of 50
times to check
whether the Y
Motor error
occurs.
→ Check cable connector
J120 (Y MOT) on the main
board.
1.4 • Check whether
the timing fence
(T fence) is dirty
or twisted.
→ If there is grease or dirt on
the fence, wipe it away with a
dry cloth.
If there is ink on the fence,
wet a cloth with neutral
cleaner and wipe lightly.
→ If the T fence is severely
soiled and can not be
cleaned, it should be
replaced.
→ Replace the T fence
1.5 • Use the self-
diagnostic
“Examination/Enc
oders” to check
Encoder Y
→ If it is no good, check
cable connections J112
(HEAD2) on the main board
and J202(MAIN2) on the
head board.
→ Replace the T fence
→ Replace the Y motor assy
→ Replace the head board
→ Replace the Y cable
(between J112 (HEAD2) on
the main board and J202
(MAIN2) on the head board)
1
2
3
4
E066 Error Y
Motor
E070 Error Y
Encoder
E072 Error Y
Timeout
E074 Error Y
Over current
This message indicates that a
fault has occurred in the head
movement motor (Y axis) while
the printer was working.
This occurs when there is a
large difference between the
motor command value and
encoder feedback value.
This message indicates that a
fault has occurred in the
amount of head movement (Y
axis) while the printer was
working.
This occurs when there is no
encoder feedback
This message indicates that a
timeout has occurred in the
amount of head movement (Y
axis) while the printer was
working.
This occurs when the carriage
has not reached its designated
position.
This message indicates that a
fault has occurred due to an
overload of the head
movement (Y axis) motor while
the printer was working.
1.6 • The main board assy Replace it.
may be damaged
Caution :
Main board assy connector
J112 (HEAD2) and head board
assy connecter J202 (MAIN2)
should be plugged in securely.
The main board may be
damaged if power is applied
when they are not properly
connected.