MUTOH Rockhopper II series Maintenance Manual page 309

4 You hear some noise when the
paper is fed.
Rockhopper II series printers – Maintenance Manual
(4) Check the CR
cables for noise.
(5) Make sure that
the CR_ENC
assembly and the T
fence are not
interfering.
(6) Check the
bearings of the CR
driven pulley for
noise.
(7) Check if the
tension of the steel
belt has been
properly adjusted.
(8) Check the CR
motor assembly for
noise.
(9) Check the cursor
roller of the CR
cursor assembly for
noise.
(1) Check the PF
reduction belt for the
skipping of teeth
between the belt
and PF reduction
pulley.
(2) Check the PF
motor assembly for
noise
(3) Check the grid
roller for rugged
movement. Also,
check the rotary
movement for
irregularities.
310
• Correct the cable's
tendency and fix the
condition.
• If noise is heard
from between the
steel bearing and
tube guide, replace
the tube guide.
• If interference is
observed, adjust the
installation positions
of the appropriate
components.
• If the adjustment
does not improve
this, replace the
appropriate
components.
• Replace the CR
driven pulley
assembly.
• Adjust the steel
belt tension.
• Replace the CR
motor assembly.
• Replace the cursor
roller.
• Replace the PF
reduction belt.
• Replace the PF
motor assembly.
• If foreign materials
such as paper dust
and waste paper are
found on the grid
rollers, remove it
using a nylon brush.
AP-74065, Rev. 1.2, 27/09/04
→ Replacing the
steel bearer, tube
guide, CR tape
power cable and ink
tube.
→ Replacing the T
fence
→ Replacing the
CR_ENC assembly
→ Replacing the CR
slave pulley
assembly.
→ Steel belt tension
adjustment.
→ Replacing the CR
motor assembly.
→ Replacing the
cursor roller
assembly.
→ Replacing the PF
motor assembly
→ Replacing the PF
motor assembly
→ User's Guide.