
Table of Contents
MICROJET Trouble-Shooting Guide iii
ntroduction ............................................................................................................. 1I
) Ink lamp stays on ............................................................................................... 2
A
) Ink lamp does not come on when ink container is empty.................................. 2
B
) Unit does not purge ............................................................................................ 3
C
) Heavy printing.................................................................................................... 3
D
) Weak print/output............................................................................................... 4
E
) Printing starts heavy and weakens when printing long messages ...................... 4
F
) Photocell LED(s) does not light......................................................................... 4
G
) Photocell LED(s) does not turn off.................................................................... 4
H
) Display does not come up.................................................................................... 5
I
) CPU losing date/time when unit is off ................................................................ 5
J
) Valve does not print but purges ......................................................................... 5
K
) Valves print but will not purge........................................................................... 5
L
) Pump does not run............................................................................................. 6
M
) Ink leaks from ink bottle cap ............................................................................. 6
N
) Product delay/character width changing on product.......................................... 6
O
) Ink not drying on product ................................................................................... 7
P
) Nozzle plate weeps ink ...................................................................................... 7
Q
) Nozzle blocked................................................................................................... 7
R
) Tubing loose on valve ports................................................................................ 8
S
) Unit locks up after installation ........................................................................... 8
T
) Tailing output..................................................................................................... 8
U
ow ink lamp/reservoir lead removal ...................................................................... 9
L
ir pump pressure adjustment................................................................................ 10
A
iagrams ................................................................................................................ 12
D
attery Replacement .............................................................................................. 25
B
ill of Materials / Quick Reference Chart ............................................................. 26
B
Warranty................................................................................................................. 28