Diagnostic information
2-131
5026
Print quality—blank page
6
Clean the printhead.
Does this fix the problem?
Problem solved.
Replace the printhead. See
“Printhead removal,
installation, and
adjustment” on
page 4-121
.
Step
Questions / actions
Yes
No
1
Is all the packing material for the
photoconductor unit in question removed?
Go to step 2.
Remove the packing
material.
2
Replace the photoconductor unit for the color
in question.
Does this fix the problem?
Problem solved.
Go to step 3.
3
4
Enter the Diagnostics mode (turn off the
printer, press and hold
and
. and turn on
the printer). Perform the appropriate cartridge
drive motor test for the missing color. See
“General motor tests procedures” on
page 3-9
.
Did the motor run?
Go to step 5.
Replace the EP drive
assembly. See
“Electrophotographic
(EP) drive assembly
removal” on page 4-69
.
5
Check the high voltage contact from the
HVPS to the photoconductor charge roll.
Ensure the contact springs are properly
mounted and that the charge roll contact
spring is making good contact with the HVPS
spring that runs through the left printer frame
to view the proper mounting and for removal
procedures.
Are the spring(s) defective?
Replace the transfer
contact assembly.
Go to step 6.
Step
Questions / actions
Yes
No
High voltage
contact path
High voltage
power supply
Содержание C734 series
Страница 13: ...Notices and safety information xiii 5026 ...
Страница 14: ...xiv Service Manual 5026 ...
Страница 170: ...2 136 Service Manual 5026 ...
Страница 255: ...Repair information 4 39 5026 11 Press the two tabs F to separate the right cover from the rear right cover F ...
Страница 284: ...4 68 Service Manual 5026 7 Remove the two screws G 8 Remove the duplex reference edge guide assembly G ...
Страница 288: ...4 72 Service Manual 5026 12 Remove the seven screws M securing the EP drive ...
Страница 339: ...Repair information 4 123 5026 13 Remove the three printhead mounting screws D ...
Страница 346: ...4 130 Service Manual 5026 f Scroll down to Quick Test and press Select A page similar to this one prints ...
Страница 395: ...Connector locations 5 1 5026 5 Connector locations Locations ...
Страница 408: ...7 2 Service Manual 5026 Assembly 1 Covers ...
Страница 410: ...7 4 Service Manual 5026 Assembly 2 Front ...
Страница 412: ...7 6 Service Manual 5026 Assembly 3 Right 1 2 3 4 5 6 ...
Страница 414: ...7 8 Service Manual 5026 Assembly 4 Rear ...
Страница 422: ...7 16 Service Manual 5026 Assembly 10 Optional high capacity input option HCIT 4 2 1 6 5 7 8 11 12 10 13 14 3 9 ...
Страница 424: ...7 18 Service Manual 5026 Assembly 11 Options and features ...
Страница 426: ...7 20 Service Manual 5026 ...
Страница 436: ...I 10 Service Manual 5026 ...