MUTOH Rockhopper 38, Maintenance Manual

Page: 218 / 258

Rockhopper 38 – Maintenance Manual
218
AP-74038, Rev. 1.1, 25/01/05
No Message N° Checkpoint Action
1.1 • Clean twice in succession.
1.2 • Are the ink tubes filled with ink?
CAUTION: Wait at least 30 minutes after initial filling before
printing. Printing quality can not be assured unless ink filling
has been stabilized.
→ Carry out initial filling.
1.3 • Print the self-diagnostic
“Printing: Nozzle Check
Pattern” and the “Test Printing”. → If the nozzle check pattern is
printed normally go to page 215
1.4 • Does the pump motor turn
during the cleaning operation? → Check the pump motor
connector (J102 (PUMP MOT) on
the main board).
→ Replace the pump motor assy.
→ If the pump motor still does not
turn, replace the main board assy.
1.5 • Are the gears and transfer
gear shaft broken or badly
meshed during the cleaning
operation? → Replace the maintenance
station GA assy
1.6 • Is the cap assy spring fallen
out or broken?
→ If it has fallen out, refit it.
→ If it is broken, replace the cap
assy.
1.7 • Is the capping position
correct?
→ Adjust the capping position,
carry out strong cleaning and try
again.
1.8 • What is the condition of the
wiper section?
→ Dampen the accessory cleaning
cloth slightly with clean water and
use it to wipe the surface of the
cleaning wiper. After the wiper has
been cleaned, carry out two
successive cleanings.
→ If it is wet with ink, replace it.
1.9 • Are the nozzle surfaces being
wiped and rubbed? → Carry out repairs.
→ Replace the wiper.
1.10 • Does the head that is fitted
have a rank that is different
from the recorded rank?
→ Re-enter the rank of the black
head correctly.
→ Re-enter the rank of the color
head correctly.
1.11 • Has ink dried on the surface
of the print head and inside the
nozzles?
CAUTION: Wait at least 30
minutes after initial filling
before printing. Printing
quality can not be assured
unless ink filling has been
stabilized.
→ Use the self-diagnostic
“Adjustment/Head Cleaning” to
clean the print head, carry out
initial filling with “Adjustment/Head
Rank Input” and try again.
→ Clean the head nozzle face.
1.12 • Check that the T-fence and
Encoder behind the head board
assy are not touching. → If they are touching, adjust
them.
→ If adjustment is not effective,
replace both the head board assy
and the T-fence.
1.13 • Are the tubes crushed inside
the pump assy?
→ Replace the pump assy and
check the ink flow. If it is good,
carry out initial filling.
1.14 • Is the print head assy
damaged?
Damaged head replacement
→ Replace the black print head
assy.
→ Replace the color print head
assy.
1
2
• Dots are missing from the
printing
Bad Example
Good Example
• Cleaning does not cure clogging
or deflection
Clogging: There is a discontinuity
in line G of the “Test Print”.
Deflection: There is a deflection
or offset in the step pattern in line
G of the “Test Print”.
1.15 • The main board assy may be
damaged. → Replace it.