26
UP 300 Service Manual
Failure 21
: Print model has staggered layers
Failure
Cause
Solution
Remark
No error, print model has
staggering in a direction
of different degrees
➢
Confirm the fault
axis
Observe the model and confirm the direction of
the staggered layer to determine the axis
Confirm fault axis: Front-rear direction: X axis; Left-
right direction: Y axis; Up-down direction: Z axis
➢
Fault axis structure
damaged (motor
pulley loose, belt
loose, etc.)
Turn off the power and re-initialize, check if the Z-
axis motion is smooth, if there is a stuck or
abnormal sound
Turn off the power and re-initialize, push the Y-axis
back and forth to check if the X-axis motor pulley
and the connecting rod pulley have glue failure
Turn off the power and re-initialize, hold the
nozzle and nozzle holder by hand, push Y-axis
nozzle holder to the left and right to check if the Y-
axis motor pulley has glue failure
Do not apply too much
force on the Y-axis to
avoid damage to the
mainboard
➢
Fault axis motor is
damaged
Turn off the power and replace the motor of the
fault axis
➢
Mainboard
damaged
Turn off the power and replace the mainboard
➢
CPU damaged
Turn off the power and replace the CPU
X-axis test method
Y-axis test method
