HP 750 - Manual (Page 180)

9-2 Print Quality C4705-90000
Print Quality Troubleshooting Checklist
When faced with a print quality problem, use the following checklist as a guide in
troubleshooting the problem:
1 Problem reproduction
D Reproduce the problem that the customer is seeing using their original settings.
2 Printer configuration:
D Cartridge check: Set to ON".
D Print Mode: Set to Best" (in the printer and in the drivers).
D Dry time: Set to Normal".
D Select the correct media setting when loading the media.
3 Hardware check list
Firmware Revision
D Install firmware revision A.02.10 (C3195Ć60135) if the firmware revision installed in
the plotter is A.02.09 or older.
Mark Encoder (Service Note Details ' page 10Ć18)
D Perform the service test 23 Mark Position" ' page 8Ć44.
D Verify that the mark encoder has a line or a notch. If the mark encoder does not have
a line or a notch, then install the Mark label kit" (C3195Ć60141). This can be
possible for plotters with serial numbers in these ranges:
C3195A ESA0000000/ESA5B05350
C3196A ESA0000000/ESA5B20304
C3198A ESA0000000/ESA5B02306
PaperAdvance Kit (Service Note Details ' page 10Ć12)
D Install the Paper Advance Kit" (C3195Ć60142) if the serial number is in these ranges:
C3195A ESA0000000/ESA5B05350
C3196A ESA0000000/ESA5B20304
C3198A ESA0000000/ESA5B02306
Fan Deflector(Service Note Details ' page 10Ć22)
D Install the Fan Deflector" (C3195Ć40066) if the serial number is in these ranges:
C3196A ESA0000000/ESA4508541
C3198A ESA0000000/ESA4508541
C3195A Not necessary