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uPrint/uPrint SE Service Manual 6-35
System won't boot, no dis-
play after 5 minutes. Fans,
lights and LCD backlight are
operating
NOTE: Replacement Hard
Drive may take up to 45 min-
utes to boot.
1. If system homes: Check LCD cable, if OK replace LCD
2. Immediately after power-up, the LCD backlight should turn on, then the display
pixels should all turn dark briefly before returning to light (blank) again. If this does
not happen, then the LCD is bad. If it does happen, then either the LCD, I/O
card or PDB could be at fault.
3. Re-seat the I/O card.
4. If system does NOT home: Power on for at least 10 minutes. If still no text, Cycle
power at circuit breaker and wait 10 minutes. If after three power cycles of 10
minutes each and there is still no text replace the hard drive.
5. Measure for 12VDC at the hard drive. If not present check 12VDC power supply,
replace cable or supply as needed.
6. Connect a monitor and keyboard to the SBC.
a. Does BIOS drive listing show HD as primary, if not reseat IDE ribbon cable on
both ends, Verify red line is to the right.
b. Disk Boot Failure shown on monitor, software not seeing the hard drive.
Reseat IDE ribbon cable on both ends. Verify red line is to the right.
c. Kernel Panic Init Failed shown on monitor. Replace Hard Drive.
d. If monitor displays:
/dev/hdaXX: UNEXPECTED INCONSISTENCY;
RUN fsck MANUALLY
*** An error occurred during the file system check
*** Dropping you to a shell; the system will reboot
*** when you leave the shell
- Replace Hard Drive
e. Disk Check Failed (CHKDSK). Replace Hard Drive.
7. Replace SBC.
System powers off after a
few seconds.
1. Check for shorts in the AC input. (eg. circuit breaker, line filter board, AC input
cabling)
2. Power switch is bad, replace power switch.
3. Verify DC power supply outputs are not shorted to ground.
System reaching temp, does
not go to “Idle” screen and
head hits into the right side
of the machine
1. Substrate sensor broken. System is attempting to retract sensor. Replace the
sensor.
System displays “Copyright”
screen and does not home
within 5 minutes.
(Halted on Copyright
screen)
1. Cycle Power at the Circuit Breaker.
2. Re-seat the IDE cable, Verify red line is to the right.
3. Re-seat the connectors to the I/O Board.
4. Replace Controller Board.
5. Replace Single Board Computer.
6. Replace Hard Drive.
System displays “Initializing”
(Halted in Initializing)
1. Cycle Power at the Circuit Breaker.
2. Verify the Substrate Sensor is in the correct position.
3. Re-seat the I/O Board.
4. Re-seat the Controller/SBC.
System displays “Starting Up
/ Calibrating”
(Halted in Starting Up / Cali-
brating)
1. Cycle Power at the Circuit Breaker.
2. Verify the Substrate Sensor is in the correct position.
3. Re-seat the I/O Board.