Diagnostic information
2-101
5026
920.12—POST (power-on self test)—One sensor not connected error service check
Step
Questions / actions
Yes
No
1
Remove the left cover. See
“Left cover
removal” on page 4-21
. Check all the toner
level sensor cables connected to the rear of
the HVPS.
Are any of the cables damaged?
Replace the damaged
sensor. See
“Toner level
sensor removal” on
page 4-146
.
Go to step 2.
2
Disconnect one of the toner level sensors and
POR the printer.
Does the 920.12 error occur again?
Replace the toner level
sensor. See
“Toner level
sensor removal” on
page 4-146
.
Repeat the step for the
other toner level sensors.
After all the sensors are
tested without the 920.12
recurring, the problem is
resolved.
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 ...