MUTOH Rockhopper 38, Maintenance Manual

Page: 219 / 258

Rockhopper 38 – Maintenance Manual
219
AP-74038, Rev. 1.1, 25/01/05
No Message N° Checkpoint Action
1.1 • Check “24, 42 V DC Power Supply
Check”
1.2 • Is the cap assy spring fallen out or
broken?
→ If it has fallen out, refit it.
→ If it is broken, replace the cap
assy.
1.3 • Is the capping position correct? → Adjust the capping position and
use the cleaning operation to check
ink flow.
→ If ink flow is confirmed, carry out
initial filling.
1.4 • Check the Y cable connections.
Check that they are not inserted
incorrectly.
J201 (MAIN1) and J202 (MAIN2) on
the head board J111 (HEAD1) and
J112 (HEAD2) on the main board.
→ Re-connect the connectors.
→ Replace both Y cables
1.5 • Is there any looseness in the head
unit, the flexible cable keeper unit
under the head board, the ink tubes
behind the cartridge unit, or the SUS
pipe connectors (all four colors K, Y,
M and C)? Check that the O-rings
are fitted properly.
→ Remove the head cover and
check the damper assemblies at
the base of the tubes for all four
black and color ink tubes.
→ Remove the Y Rail cover and
cartridge cover and check the
flexible cable keeper unit under the
head board and the sides of the
cartridge.
1.6 • Is there an air leak in the damper
assy shield unit?
→ Replace the damper assy and
check that ink flows during the
cleaning action.
→ If ink flow is confirmed, carry out
initial filling.
1.7 • Are the ink tubes damaged inside
the pump assy?
→ Replace the pump assy and
check that ink flows during the
cleaning action.
→ If ink flow is confirmed, carry out
initial filling.
• Is there an air leak in the ink
tubes? → Replace each ink tube, cleaning
each time to check for ink flow.
→ If ink flow is confirmed, carry out
initial filling.
→ Continued on next page
1 • Does not print
at all.
• Does not print
a specific color
Bad example
Good example
1.8
CAUTION: Wait at least 30 minutes after initial filling before printing.
Printing quality can
not be assured unless ink filling has been stabilized.