Domino Macrojet 2 User Manual

FAULT FINDING AND REPAIR
4-4 20509 Issue 7 Jan 2018
FAULTS RELATED TO THE PRINT HEAD
Indication Possible Cause Remedy
One or more
nozzles not
working (new
head)
Dirty nozzles Clean nozzles. (see page
3-3)
Stuck plunger Check condition of
plunger and replace slug
if necessary. (see
page
4-11)
Solenoid has weak pull Check condition and
replace if necessary. (see
page 4-11)
Bad electrical
connection
Check wiring in print
head
Air in print head Bleed print head. (see
page 4-8)
One or more
nozzles not
working (head
previously OK)
Blocked nozzles Clean nozzles. (see page
3-3)
Solenoid adjustment
incorrect
Adjust solenoid. (see
page 3-9)
Rubber plunger slug
damaged
Replace plunger slug.
(see page 4-11)
One or more
drops cannot be
adjusted large
enough
Partially blocked nozzle Clean nozzles. (see page
3-3)
Solenoid has weak pull Check condition and
replace if necessary. (see
page 4-11)
One or more
drops misaligned
on printed output
Partially blocked nozzle Clean nozzles. (see page
3-3)
Nozzle jewel misaligned Replace nozzle plate.
(see
page 4-9)
Solenoid driver PCB fault Replace Solenoid driver
PCB. (see page 4-37)
Ink pressure too low Check ink pressure. (see
page 4-21, step 8)
Abnormally large
drops
Leaks on air side of
accumulator
See page 4-26.

Domino Macrojet 2 Specifications

General

Brand	Domino
Model	Macrojet 2
Category	Printer
Language	English