If Image Quality Declines; Resolving Nozzle Clogging; Stopping The Unit During The Operation - MIMAKI JFX-1631/1615 Operation Manual

If image quality declines

Corrective measures against troubles in the case where satisfactory image quality is not provided are described
in this station.
Take measures in accordance with actual state of the picture.
If the measures fail restore the device to the normal state, contact your local MIMAKI distributor or MIMAKI office
call for service.
Development
Lines/thin spots are obvious occur
Large ink drop on media
Media is raised during printing and
*1
printing stops.
A great deal of nozzle missing occurs.
*1. During printing, media may be raised due to the heat from the UV LED, causing printing to be stopped.

Resolving nozzle clogging

If nozzle clogging is not resolved even the head cleaning operation of P.2-8 has been executed, check the
following 2 items.
Fill ink with the operation of P.4-26.
Replace ink with the operation of P.4-3.

Stopping the unit during the operation

Press the EMERGENCY SWITCH for stopping the unit urgently for
the safety reason.
One EMERGENCY switch is placed on the front face of the unit and
2 are placed on each of the buck surface and Y-bar respectively.
Before taking a phenomenon as a trouble
Corrective measure
(1) Execute the head cleaning. (
(2) Clean the wiper. ( P.4-12)
(3) If slip of paper is present in the head path, for example, above
the work plate, remove it.
(1) Execute the head cleaning [normal]. (
(2) Dust the media.
(3) Dust the table.
(4) Execute the cleaning for the undersurface of the carriage.
( P.4-8)
(5) Set a correct value to the head gap value.
( P.3-6)
(1) Set new media and start printing.
(1) Perform head cleaning. (
(2) Perform sub tank maintenance. (
P.2-8)
P.2-8)
P.2-8)
P.4-15)
5-3
5