MUTOH Rockhopper 38, Maintenance Manual

Page: 234 / 258

Rockhopper 38 – Maintenance Manual
234
AP-74038, Rev. 1.1, 25/01/05
No Message N° Checkpoint Action
1.1 • Is there something touching or some
foreign matter at the place producing
the abnormal noise?
→ Remove the obstruction or
foreign matter.
1 • Abnormal noise
when media is
sucked down
1.2 • It a board producing the noise? → Replace the board in question.
• Power board assy
• Main board assy
• Head board assy
• Print head assy (black)
• Print head assy (color)
No Message N° Checkpoint Action
1.1 • Is the abnormal noise the sound of ink
being ejected during printing that was
checked in the primary consultation?
→ Explain specifications.
1.2 • Is the abnormal noise caused by a
loose screw on the cover?
→ Tighten the screws.
1.3 • Is it a rattle when the cursor moves left
and right?
→ Remove dirt from the
carriage bearings and roller
tracks.
→ Be sure to apply a light
Sumi-grease spray to the roller
tracks when you clean them.
1.4 • Is the noise coming from the Y flexible
plate?
→ Repair it by taking out
warping.
→ If the noise is coming from
between the steel flexible belt
and the tube guide, replace the
A1/A0 tube guide assy.
1.5 • Check whether the cable connected to
the head board on the carriage is
touching the cover. Also, check whether
is it touching the encoder and fence
mounted at the back of the head board.
→ If adjusting the position does
not solve the problem, replace
it.
1.6 • Is the noise coming from the Y pulley
box assy bearing?
→ Replace the Y Motor assy.
1.7 • Is the noise coming from the Y return
pulley bearing?
→ Replace it.
1.8 • Is the steel belt tension adjusted
properly?
150 g ± 20 g
→ Re-adjust steel belt tension.
1.9 • Is the Y drive pulley screw loose? → Tight it securely.
1 • Abnormal noise
when head is
moving
left and right
1.10 • Is the noise coming from the Y motor
assy?
→ Replace it.