Diagnostic Information 2-15
Print Quality - Blank Page
FRU
Action
1
Printhead
Cable
Generally a 935 Printhead Error is posted if the
printhead assembly fails. Check the connection of
the printhead.
2
Transfer
Corona
Check the transfer corona for correct installation or
signs of damage. Clean the transfer wire with the
cleaning tool provided with the printer. Check the
contact spring that connects to the transfer corona
for damage, pitting, or debris. Replace the transfer
or center paper feed frame, which contains the
spring, if necessary. Also see the
“Transfer Corona
Service Check” on page 2-29
.
3
Print Unit
Check the print unit for any signs of damage, espe-
cially the PC drum and contacts. Also check the
precharger wire for damage. Clean the wire with
the cleaning tool provided with the printer.
4
• Contact
Springs
• HVPS
Check the HVPS contacts on the HVPS board and
the mating contact springs on the left side of the
printer for pitting or incorrect alignment. Cables
from the pick roller and cover open switch could
also be in the way of the contacts.
5
• Engine
Board
• HVPS
• Intercon-
nect Board
Check the voltages on the engine board at the fol-
lowing locations;
Printer Idle:
CNMC-B10 = +24 V dc
CNMC-B11 = +17 V dc
CNMC-A11 = +20.5 V dc
CNMC-B12 = +0.1 V dc
Printer Printing:
CNMC-B10 = +0.1 V dc
CNMC-B11 = +0.1 V dc
CNMC-A11 = +0.1 V dc
CNMC-B12 = momentarily jumps up to 5 - 15 V dc.
If these voltages are not correct, replace the engine
board. If they are correct, replace the following
FRUs in the order shown:
1. HVPS
2. Interconnect Board
Содержание Optra K 4046
Страница 15: ...Notices and Safety Information xv Chinese Laser Notice Korean Laser Notice ...
Страница 19: ...Notices and Safety Information xix ...
Страница 20: ...xx Service Manual ...
Страница 26: ...1 6 is transmitted to the paper feed roller ...
Страница 29: ...General Information 1 9 to the upper exit bin Roller gears receive power from the hot roll gear ...
Страница 30: ...1 10 ...
Страница 60: ...2 30 ...
Страница 91: ...Repair Information 4 15 7 Remove four screws and disconnect the cable to remove the main motor ...
Страница 97: ...Repair Information 4 21 ...
Страница 105: ...Repair Information 4 29 Installation Note Install the fan so the air flow arrow is to the outside ...
Страница 109: ...Locations 5 1 5 Locations Front and Right Side of Printer ...
Страница 110: ...5 2 Rear and Left Side of Printer ...
Страница 111: ...Locations 5 3 Interior of Printer with Upper Door Open ...
Страница 112: ...Locations 5 4 Optional Multi Function Feeder and Paper Feeder ...
Страница 113: ...Locations 5 5 Sensors ...
Страница 114: ...5 6 EP Diagram ...
Страница 115: ...Locations 5 7 Engine Board ...
Страница 116: ...Locations 5 8 Control Board ...
Страница 117: ...Locations 5 9 Power Supply Board ...
Страница 118: ...5 10 Interconnect Board ...
Страница 120: ...6 2 Assembly 1 Upper Cover ...
Страница 122: ...6 4 Assembly 2 Covers ...
Страница 124: ...6 6 Assembly 3 Electronics ...
Страница 126: ...6 8 Assembly 3 Electronics cont ...
Страница 128: ...6 10 Assembly 4 Frame Left Side ...
Страница 130: ...6 12 Assembly 5 Frame Right Side ...
Страница 132: ...6 14 Assembly 6 Input Paper Feed ...
Страница 134: ...6 16 Assembly 7 Printhead and Paper Feed Redrive ...
Страница 136: ...6 18 Assembly 8 Exit Paper Feed Frame ...
Страница 138: ...6 20 Assembly 9 Fuser ...
Страница 140: ...6 22 Assembly 10 Paper Tray 250 Sheet ...
Страница 142: ...6 24 Assembly 11 Optional 450 Sheet Second Paper Tray ...
Страница 144: ...6 26 Assembly 12 Optional 450 Sheet Second Paper Drawer 2 ...
Страница 146: ...6 28 Assembly 13 Optional 450 Sheet Second Paper Drawer 2 ...
Страница 148: ...6 30 Assembly 14 Optional Multi Function Feeder ...
Страница 149: ...Parts Catalog 6 31 Ref Part Number Units Description 14 1 12A4024 1 Feeder Multi Function ...
Страница 152: ...6 34 ...