Diagnostic information
2-121
5026
4
Place a voltmeter between FUSER1 pin 3 and
ground (pin 6).
Does the meter read +5 V dc?
Go to step 6.
Go to step 5.
5
1. Replace the fuser.
2. Bring the printer up in Diagnostics Menu
(turn off the printer, press and hold
and
. and turn on the printer).
3. Select
SENSOR TESTS
, and press
Select
(
).
4. Select
Dynamic Sensors
, and press
Select
(
).
5. Select
Bubble
, and press
Select
(
).
6. Open the front door.
7. Activate the bubble sensor.
Did the bubble sensor change from Open to
Closed?
Problem resolved.
Replace the system board.
See
“System board
removal” on page 4-139
.
Step
Questions / actions
Yes
No
1
JSB1
JBIN1
JFAN1
JFUSER1
JBOR1
JHVPS1
J
JCVR1
JLVPS2
1
1
1
1
1
1
1
F5
F6
Pin 8
(ground)
Pin 6
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 ...