Diagnostic information
2-135
5026
Print quality—vertical banding
Replace the developer cartridge.
Tray linking service check
Tray linking is useful for large print jobs or multiple copies. When one linked tray is empty, paper feeds from the
next linked tray. When the Paper size and Paper Type settings are the same for any trays, the trays are
automatically linked.
3
Turn the printer off, and then check the
continuity of the HVPS cable.
Go to step 4.
Replace the cable
assembly.
Is there continuity?
4
Replace the HVPS. See
“High-voltage
power supply (HVPS) removal” on
page 4-94
.
Did this solve the problem?
Problem solved.
Replace the system board.
See
“System board
removal” on page 4-139
.
Step
Questions / actions
Yes
No
1
Load the same size and type of paper in each
tray. Move the paper guides to the correct
positions for the paper size loaded in each
tray.
Does tray linking work properly?
Problem resolved.
Go to step 2.
2
Print a menu settings page from the Admin
Menu, and compare the settings for each tray.
Are the settings for each tray to be linked the
same for paper type and paper size?
Problem resolved.
In the Admin menus, set the
same settings for paper size
and paper type in each tray.
Step
Questions / actions
Yes
No
Pin 24
Pin 23
Pin 1
Pin 2
Pin 2
Pin 1
Pin 23
Pin 24
Summary of Contents for C734 series
Page 13: ...Notices and safety information xiii 5026 ...
Page 14: ...xiv Service Manual 5026 ...
Page 170: ...2 136 Service Manual 5026 ...
Page 288: ...4 72 Service Manual 5026 12 Remove the seven screws M securing the EP drive ...
Page 339: ...Repair information 4 123 5026 13 Remove the three printhead mounting screws D ...
Page 395: ...Connector locations 5 1 5026 5 Connector locations Locations ...
Page 408: ...7 2 Service Manual 5026 Assembly 1 Covers ...
Page 410: ...7 4 Service Manual 5026 Assembly 2 Front ...
Page 412: ...7 6 Service Manual 5026 Assembly 3 Right 1 2 3 4 5 6 ...
Page 414: ...7 8 Service Manual 5026 Assembly 4 Rear ...
Page 424: ...7 18 Service Manual 5026 Assembly 11 Options and features ...
Page 426: ...7 20 Service Manual 5026 ...
Page 436: ...I 10 Service Manual 5026 ...