MUTOH Rockhopper 38, Maintenance Manual

Page: 226 / 258

Rockhopper 38 – Maintenance Manual
226
AP-74038, Rev. 1.1, 25/01/05
No Message N° Checkpoint Action
1.1 • Do three cleanings in
succession.
1.2 • Have the Test Print
printed.
→ If the nozzle check pattern
is printed normally, return to
page 208
1.3 • Is the printing less
than 30 minutes after
initial filling?
→ Wait at least 30 minutes
after initial filling before
printing. Printing quality can
not be assured unless ink filling
has been stabilized.
1.4 • Is the steel belt
tension adjusted
properly? A0 = 150 g
±20 g
1.5 • Make sure the
encoder and T-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 both the
head board and the fence.
1.6 • Is there a loose set
screw on the Y drive
pulley?
→ Re-tighten the set screw.
1.7 • Are the fans working
normally according to
the self-diagnostic
“Examination/Fans”?
→ Check the connectors
between fan assy, fan cable
assy and main board assy.
Fan cable A assy is J115
(FAN1) on the main board
Fan cable B assy is J116
(FAN2) on the main board
Fan cable C assy is J117
(FAN3) on the main board
→ Replace fan assy
→ Replace Fan cable A assy,
Fan cable B assy, Fan cable C
assy.
1.8 • Is the capping
position correct?
→ Adjust the capping position
and try again after strong
cleaning.
1.9 • 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
2
3 • Many satellites (unwanted dots)
• The printing has whiskers
• Printed lines appear blurred (printing
is dirty)
1.10 • Is it able to wipe/rub
the nozzle face
normally?
→ Fix it.
→ Replace the wiper.