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Diagnostics information
2-43
7013-XXX
Printhead service check
Transfer roll service check
Unexpected
characters print, or
characters are
missing.
• Ensure correct printer driver is being used.
• Select hex trace mode to determine what the problem is.
• Restore factory defaults.
• Make sure the USB cable or USB cable is firmly plugged in at the back of the printer.
Jobs are not printing,
and an error message
is displayed.
• The printer is waiting for an appropriate command.
• Make sure the print cartridge assembly is installed properly.
• Make sure the printer front cover is closed.
While in PostScript 3
emulation, the printer
is flushing data (an
error message is
displayed).
• Ensure the correct PostScript driver is being used.
• The printer doesn’t have enough memory to print the job. Install more memory.
FRU
Action
Printhead
Note:
New printhead
must be aligned. See
“Printhead assembly
electronic
adjustment” on
page 3-23
.
Turn the printer off.
Disconnect the printhead cables from J12 and J8 on the controller board.
Turn the printer on with the front door closed.
On the controller board, 5 V dc on pin 10 at J12 and +5 V dc on pins 1, 2, and 3 at
J8.
Verify grounds on pins 2, 4, and 7 at J12 and on pin 4 at J8.
• If voltages or grounds are incorrect, then check the controller board. See
“Controller
board service check” on page 2-26
for more information.
• If voltages are correct, then replace the printhead (comes with cables).
FRU
Action
Transfer roll
Note:
Do not touch the transfer roll except at its ends. Place a sheet of paper over the roll to
prevent damage from finger oils or hand lotion.
Check the springs in the left and right transfer roll bearings. Do not try to move the left
spring. The bearing assemblies should support the transfer roll, applying evenly distributed
forces to the PC drum.
Replace the transfer roll assembly if the springs or bearings show signs of damage or
fatigue.
Inspect the transfer roll for signs of wear, damage,. or contamination.
Replace as necessary.
Print quality problems (continued)
Problem
Cause/action
All manuals and user guides at all-guides.com
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Страница 234: ...7 4 Service Manual 7013 XXX Assembly 2 Scanner All manuals and user guides at all guides com...
Страница 237: ...Parts catalog 7 7 7013 XXX Assembly 3 Electronics All manuals and user guides at all guides com...
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