MUTOH Rockhopper II 2H, Maintenance Manual

Page: 306 / 319

Rockhopper II series printers – Maintenance Manual
307 AP-74065, Rev. 1.2, 27/09/04
(1) Check if the use
conditions are within
the normal
operation
conditions. • Be sure to use the
product under the
operation
conditions. -
(2) Check if distance
is compensated for
the paper in use. • Compensate the
distance.
→
Band feed
correction menu
(3) Check the PF
drive pulley for
looseness. • Replace the PF
motor assembly. →
Replacing the PF
motor assembly.
(4) Make sure that
the PF reduction
belt tension is
adjusted correctly. • Adjust the tension
of the PF reduction
belt. →
PF deceleration
belt tension
adjustment
(5) Check the
rotation of the
pressure roller with
the pressure arm at
the raised position. • If the surrounding
area of the pressure
roller is
contaminated by
paper dust and
waste paper, wipe it
with a soft
dampened cloth. →
User’s Guide
(6) Check the grid
roller for rugged
movement. Also,
check the rotary
movement for
irregularities. • If foreign material
such as paper dust
and wastepaper are
found on the grid
rollers, remove them
using a nylon brush.
→
User’s Guide
20 A limited line in the paper feed
direction is not accurate ( in the
sub scanning direction)
A : Paper discharging direction
(7) If the paper in
concern is roll
paper, check if the
scroller is rotating
smoothly. • Make sure that the
scroller receiver is
installed correctly.
• Replace the rollers
of the scroller.
→
Replacing the
scroller R assembly.
→
Replacing the
scroller L assembly.
(1) Check if the
actually installed
head rank and the
registered head
rank match. • Input the correct
head rank. →
Head rank input
menu.
(2) Adjust the
inclination of the
head. • Adjust the
inclination of the
head. →
Head precision
adjustment.
(3) Check if the
tension of the steel
belt is adjusted
correctly. • Adjust the steel
belt tension.
→
Steel belt tension
adjustment.
(4) Check the two-
way printing position
alignment for
problems. • Adjust the two-way
printing position
alignment. →
Repeatability
alignment menu
(5) Check if the CW
adjustments are
made correctly. • Perform the CW
adjustments.
→
CW adjustments
menu
(6) Check the T
fence for
contamination. • Clean the T fence
• If contaminants
cannot be cleaned
up, replace the T
fence. →
Replacing the T
fence
21 Straightness in the paper feed
direction is not accurate (paper
joint accuracy).
A : Paper discharging direction
(7) Check the CR
cursor assembly for
play. • Replace the CR
cursor assembly. →
Replacing the CR
cursor assembly.