6-4 PARTICULAR COLOR IS NOT PRINTED AT ALL
NO
CHECK
ACTION
REFERENCE
OUTLINE
1
Defect of Cap Top
Replace Cap Top
[3-5 CAP TOP
REPLACEMENT]
If the Head is not capped correctly, ink suction for one color may
not be done. And, the Head dries and it may cause the nozzle
clog.
2
Ink Cartridge is almost
empty
Check remaining Ink /
Replace the Ink Cartridge
User's Manual
When the machine keeps printing with ink cartridge almost
empty, the negative pressure delivered in the ink tube causes
the improper ink supplying and the head cannot fire the ink
correctly.
3
Error of Ink Empty
detection
Replace the ink cartridge /
sensor
If the cartridge tab does not stick out when the cartridge is
empty, Ink Empty cannot be detected and printing continues
without ink firing. Also, if the sensor is not working, Ink Empty
cannot be detected even if the cartridge tab sticks out.
4
Bad contact / Broken cable Refix / Replace the cable
If there is a bad communication between the head and the Main
Board, the signal for driving head is not sent properly and
results in improper printing. If the Flexible cable is fixed slanted,
it may cause the bad electrical contact or shortcircuit. And, the
cable which has been connected and disconnected several
times may have a damaged terminal.
Remove air bubbles with
Service Menu [CHOKE CL]
When air bubbles are inside the Ink line, the head may not fire
the Ink temporarily. Air bubbles tend to go into the Ink line
if Ink Cartridge is installed and uninstalled many times.
The air bubbles inside the lines can be removed by performing
[CHOKE CL] in the service menu.
Eliminate the looseness of
the tube joint
If the tube has air due to the looseness of the tube joint, fix the
joint and remove the air.
6
Broken Ink Tube
Replace Ink Tube
[3-20 INK TUBE
REPLACEMENT]
7
Broken Head
Replace Head
[3-1 HEAD
REPLACEMENT]
8
Broken Main Board
Replace Main Board
[3-10 BOARDS
REPLACEMENT]
6-5 SHIFTING IN PRINTING/COLOR SHIFTING
NO
CHECK
ACTION
REFERENCE
OUTLINE
1
The media is set tilted
Set the media correctly
User's Manual
If media is not set straight, it comes loose on the Platen and it
wrinkles, and results in shifting. Set the media straight referring
to the User's Manual.
2
Encoder Scale is dirty /
broken
Clean or replace Encoder
Scale
[3-13 ENCODER SCALE
REPLACEMENT]
When Encoder Scale is not read correctly, printing position may
shift.
3
Encoder Module is dirty /
broken
Clean or replace Encoder
Module
When Encoder Module does not read Encoder Scale correctly,
printing position may shift.
4
Bad contact of Flexible
Cable
Refix / Replace the
Flexible Cable
If the Flexible Cable is not fixed correctly, the Head moves
incorrectly and results in the shift in printing.
6-6 INK DROPS ON THE MEDIA
NO
CHECK
ACTION
REFERENCE
OUTLINE
1
Foreign substances
Perform Manual Cleaning
User's Manual
When foreign substances such as fiber dust are stuck on the
surface of the Head, Ink sometimes leaks from it. Wipe the
surface of Head with a cleaning stick.
2
Media strikes Head
Use the media clamps /
Replace to the suitable
media
If media tends to curl or become bumpy due to the Ink
absorption, the Head sometimes strikes the media and it causes
the Ink dropping problem.
6-3
5
Air bubbles in Ink line
Summary of Contents for VS-300
Page 49: ...2 4 MAIN BOARD_Arrangement Diagram Soldering Side ...
Page 60: ...2 15 SERVO BOARD_Arrangement Diagram Soldering Side ...
Page 65: ...2 20 2 4 CARRIAGE BOARD CARRIAGE BOARD_Arrangement Diagram Component Side ...
Page 68: ...2 23 2 5 SUB BOARD SUB BOARD_Arrangement Diagram Component Side ...
