MUTOH Rockhopper II series Maintenance Manual page 298

5 Nothing has been printed
6 Only specific colours are not
printed.
Rockhopper II series printers – Maintenance Manual
(10) The
maintenance
assembly may have
a problem.
(11) The Mainboard
assembly may have
a problem.
(1) Check the head
and CR cables for
skewed insertion.
(2) The head and
CR cables may be
damaged.
(3) Check ink tubes
for bends, flaws, air
leaks, etc.
(4) The print head
assembly may be
damaged.
(5) The damper may
be damaged.
(6) The ink pump
assembly may have
a problem.
(7) The
maintenance
assembly may have
a problem.
(8) The CR board
assembly may have
a problem.
(9) The HEAD_DRV
board may be
damaged.
299
• Replace the
maintenance
assembly.
• Replace the
Mainboard
assembly.
• Redo the
connections of the
following
connectors.
Connectors for the
print head.
• CR board : J201 –
J232
• Mainboard : J137
– J152
• Replace the CR
tape power cables.
• Replace the
damaged ink tubes.
• Replace the print
head assembly.
• Replace the
damaged cable.
• Replace the ink
pump assembly.
• Replace the
maintenance
assembly.
• Replace the CR
board assembly.
• Replace the
HEAD_DRV board.
AP-74065, Rev. 1.2, 27/09/04
→ Replacing the
maintenance
assembly
→ Replacing the
print head assembly
and head tape
power cable.
→ Replacing the
print head assembly
and head tape
power cable.
→ Replacing the CR
board assembly.
→ Replacing the
print head assembly
and head tape
power cable.
→ Replacing the
steel bearer, tube
guide, CR tape
power cable and ink
tube.
→ Replacing the
steel bearer, tube
guide, CR tape
power cable and ink
tube.
→ Replacing the
print head assembly
and head tape
power cable.
→ Replacing the H
ink tube, tube
branch and damper
assembly.
→ Replacing the
pump assembly.
→ Replacing the
maintenance
assembly.
→ Replacing the CR
board assembly
→ Replacing the
Mainboard
assembly,
HDD_Extension
board assembly,
HEAD_DRV board
assembly and
cooling fan
assembly.