HP 750 - Manual (Page 132)

750C
750C
Plus
755
CM
750C
750C
Plus
755
CM
8-14 Troubleshooting C4705-90000
Error Code Corrective Actions Problem Description
070000 H
(where H is
a hex digit
indicating
which
cartridge(s)
failed)
Unable to calibrate drop
detect location.
D In binary format, each bit corresponds
to one cartridge.
Hex Binary Pen
value value Color
1 0001 Black
2 0010 Cyan
4 0100 Magenta
8 1000 Yellow
Cartridge combinations give other hex
values, for example, if cyan and magenta
failed, the value would be hexaĆdecimal 6
- adding 0010 and 0100 gives 6.
070005 Calibrated offset value for
the black pen was too large.
The location of the black pen
was found during drop
detection calibration but was
not in the correct location
relative to the drop detect
sensor.
Excessive noise on the +5V
supply may be causing the
sensitive drop detection
circuitry to sense drops that
are not there.
D Replace the cartridge.
D Perform the nozzle print test ' page 8Ć32.
D Perform the drop detector/open sensor
test ' page 8Ć37.
D If required, replace the service station '
page 6Ć42.
D To verify the functionality of the YĆaxis
drive system, perform the:
D YĆaxis friction test ' page 8Ć45.
D YĆstaticfriction test ' page 8Ć46.
D YĆaxis encoder test ' page 8Ć47.
070006 As 070005 for cyan pen. D See Error Code 070005.
070007 As 070005 for magenta pen. D See Error Code 070005.
070008 As 070005 for yellow pen. D See Error Code 070005.