MUTOH Rockhopper 38, Руководство по обслуживанию

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Rockhopper 38 – Maintenance Manual
233
AP-74038, Rev. 1.1, 25/01/05
No Message N° Checkpoint Action
1.1 • 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.
1.2 • Is the shielding material
securely attached in the
proper positions?
Shield material GA-A, shield
GA-B, shield GA-C
→ Re-attach in the proper
positions.
1.3 • Are all the pressure rollers
(15) pressurizing the media?
• With the pressure lever
raised, do any pressure
rollers seem reluctant to turn?
• With the pressure lever
lowered, are any of the
pressure rollers idling.
• With the pressure lever
lowered, is the plate pressing
strongly on the media?
→ If there is paper dust or scraps
near the pressure rollers, wipe
with a soft damp cloth.
→ If necessary, replace pressure
assy, pressure rollers and plate.
→ If the gap between platen and
plate is less than 0.8 mm, adjust
platen height.
1 • Bad right angle
precision
1.4 • Is the rough surface of the
grid roller worn in some
places?
• Is the grid roller heavy to
turn? Or does it not turn
smoothly?
→ If there is paper dust or scraps
sticking to the grid roller, clean it
with a nylon brush.
→ If necessary, replace the grid
roller assy and coupling assy.
9.3.4 Problem Involving Noise
No Message N° Checkpoint Action
1.1 • Is the shielding material securely
attached in the proper positions?
Shield material GA-A, shield GA-B,
shield GA-C
→ Re-attach in the proper
positions.
1.2 • Are the rotating fins of the suctions
fans touching the cable or are there
paper scraps and foreign matter?
→ Remove obstructions and
foreign matter.
1.3 • Check for a broken cable and
connections.
→ Replace any parts that are
broken.
1.4 • The fan itself may be faulty. → Replace it.
1.5 • The main board assy may be faulty. → Replace it.
1 • Abnormal noise
when media is
sucked down
1.6 • The power board assy may be faulty. → Replace it.