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8-4 Troubleshooting
Operational
Focus carriage looses X-axis
position and slams into the left or
right side of the rail during high
speed raster engraving
• Mechanical interference
• Dirty laser system
• CPU overheating
• Focus carriage X-axis bearing tensioning arm
too tight or binding
If the pattern is excessive:
• X-belt too tight
• Worn or binding X-axis bearings
• Worn or binding X-axis idler pulley
• Worn or binding X-axis motor
• Firmware needs updating
• Check if focus carriage makes contact with
material or other objects
• Clean all optics, rails, bearings and belts
• Clean CPU filters, correct ambient
temperature to be within specifications
• Remove carriage from rail, check for freedom
of movement of tensioning arm. Lubricate if
necessary. Position of tensioning arm should
be no greater than 10 o’clock.
• Check and/or adjust
• Check and/or replace
• Check and/or replace
• Check and/or replace
• Check with Service Department
When homing, the arm slams
repeatedly for a few seconds
• Bent Y-flag
• Dirty or faulty home sensor(s)
• Faulty flex cable
• Faulty lower flex cable board
• Check and/or straighten
• Replace upper flex board (home sensor)
• Replace flex cable
• Replace Lower flex cable board
When focusing, the Z-axis table only
moves in one direction
• Dirty or faulty Z-axis sensor • Try to clean sensor(s) with compressed air,
otherwise replace sensor
When using Autofocus, the table
moves all the way down to the
bottom and gets stuck
• Autofocus sensor and/ or reflector is dirty
• Autofocus sensor is misaligned
• Clean sensor and/or reflector
• With the Z-axis table out of the way of the
Autofocus beam, check the sensor for only
an illuminated green light. A red light, both
lights, or no lights indicate a misalignment or
dirty condition. Clean, re-check, re-align the
Autofocus sensor.
When printing to the laser system,
the computer gives an error
message “Printer out of paper” or
“Printer offline and not responding”
• Laser not turned on
• Parallel port cable not connected or not
connected properly
• Laser system is out of memory
• Single file is too large for memory installed in
laser system
• Bad parallel port in computer system
• Damaged port in CPU
• Turn on laser system
• Connect cable or reseat connection at
computer and/or laser system
• Check “Free Memory” in laser system control
panel. Clear laser system memory and try
again
• Purchase more memory
• Try printing to another printer using the same
port
• Replace laser system’s CPU
When running the laser system, the
laser system will “freeze”, the clock
will keep advancing, but the
operator will have no control over
the system. The only way to restore
the system is to power the laser off
and then back on. This is a
symptom of file corruption.
• Incorrect BIOS setting in computer
• Using a printer cable longer than 6 ft.
• Bad printer cable
• Usage of device in between computer and
laser system
• Some other parallel port driver interfering
with the laser system printer driver
• Damaged port in CPU
• Refer to manual on proper setting
• Use only a 6 ft., IEEE1284 compliant printer
cable
• Replace printer cable
• Connect the laser system directly from
computer with the printer cable
• Remove all other parallel port drivers and try
again
• Replace laser system’s CPU