FLORA LJ3208P - Page 68

Flora Digital Printing System
Model LJ320P
Copyright 2011@ Shenzhen Runtianzhi Image Technology Co.,Ltd. By Victor Xu
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 l Ink Pumps are not
working
o Presence of ink in the Ink
Protect Tank
o Defective / Out of Position Ink
Protect Level Sensor
 Remove or purge any presence of ink in the Ink
Protect Tank
 Replace/Fix Ink Protect Level Sensor by
opening the Ink Protect Tank
 No Print at all
 No presence of Printhead
Voltage from RTZ
software
o The Optical Cable must have
been interchanged during
installation
 Interchanged again the Rx/Tx connection of the
Optical Cable either from the PCI card or in the
Printhead Control Board
 Carriage gets in contact
with media during
printing
o Gap between carriage and media
(printing platform) is too close.
o Media suction is not working
o Wrinkled / curled media
 Adjust the Printer Carriage between 2.0 –
2.5mm.
 Check the 24V supply of suction fans, replace
defective suction fan if necessary
 Replace the media to avoid wrinkled media to
be in contact with the print head during
printing
 Carriage is not moving,
left to right stroke
o Defective AC Servo Motor
o Corrupted/Defective Servo
Driver
o Worn-out Timing Belt
o Defective Motion Control Board
 Replace defective Servo Motor
 Re-program the Servo Driver, replace if
defective
 Replace worn-out Timing Belt
 Replace Motion Control Board
 Media is not moving,
backward and forward
stroke
o Defective DC Servo Motor
o Defective Movement Control
Board
o Worn-out Timing Belt
o Defective Motion Control Board
 Replace defective DC Servo Motor
 Replace worn-out Timing Belt
 Replace Movement Control Board\
 Replace Motion Control Board
 PC has no communication
from the printer
 Printer’s functionality
cannot be accessed
o Corrupted Printer Driver
o Defective PCI Card
o Defective 15pins I/O cable
 Re-install the Printer Driver Software
 Replace defective PCI Card
 Replace defective 15pins I/O Cable
 Ink is not drying
o Heat is not enough to dry the
ink
o Heater is not working
o Heater controller is not working
o Density or the ink limits of the
image setup is too high
 Increase the heater’s temperature from the
printing platform as well as the front heater
 Replace defective heater
 Replace heater controller
 Lower the ink limits of the image profile
 Decrease the Ink limits of the image
 Horizontal banding
o Clogged Print head
o Step alignment is not good
o Print head alignment is not good
 Perform solvent flushing and Ink Priming
(make a longer flushing if needed) then check
the status of the Print head in Test Print
 Adjust the motor steps (see Print head
Alignment Procedure)
 Aligned the Print head very well (see Print
head Alignment Procedure)