MUTOH Rockhopper 38, Maintenance Manual

Page: 228 / 258

Rockhopper 38 – Maintenance Manual
228
AP-74038, Rev. 1.1, 25/01/05
No Message N° Checkpoint Action
1.1 • Is the steel belt
tension adjusted
properly?
150 g ± 20 g
1.2 • Is the Y drive pulley
set screw loose?
→ Re-tighten the set screw
securely.
1.3 • Are the fans working
normally according to
the self-diagnostic
test?
→ Check the connectors
between fan assy, fan cable
assy and main board assy.
Fan cable A assy is J115 (FAN
1) on the main board
Fan cable B assy is J116 (FAN
2) on the main board
Fan cable C assy is J117 (FAN
3) on the main board
→ Replace fan assy
→ Replace Fan cable A assy,
Fan cable B assy, Fan cable C
assy.
1.4 • Is there any mistake
in the rank of the head
that is actually
installed and the rank
that is recorded?
→ Re-enter the rank of the
black head correctly.
→ Re-enter the rank of the
color head correctly.
1.5 • Is the problem with
the black head tilt
adjustment?
→ Adjust it.
1.6 • Is the problem with
the color head tilt
adjustment?
→ Adjust it.
1.7 • Is there a problem
with the reciprocal
printing position
alignment?
→ Adjust it.
1.8 • Is there a problem
with the CW
adjustment?
→ Adjust it.
1
2
Mixed colour lines do not overlap.
Black and colour positions are offset.
1.9 • Make sure the
encoder and fence
mounted on the back
of the head board are
not touching.
→ If they are touching, adjust
them.
→ If adjustment does not solve
the problem, replace the T
fence.