2-20
4227-100
Operator Panel Service Check
Note: Press any button except Start/Stop, Load/Unload, or
FormFeed. If “Operator Panel Disabled” is displayed, unlock the
operator panel by powering up with the Micro
↑
and Micro
↓
keys
pressed. Use the same procedure to re-lock the panel after service
is complete.
FRU
Action
1
Operator Panel
If there is a 631 Display RAM Error, replace the
operator panel.
If there is a 63B Key Scan Error, one or more
buttons are being detected as pressed during
power-up.
Replace the operator panel.
2
Printer Cable
Operator Panel
During power-up, all LEDs and all LCD pels
should turn on briefly.
Enter the Service Menu and perform the
Button Test. If there are missing or extra pels
displayed, or if any of these tests fail, check the
condition and continuity of the operator panel
cable.
Replace the cable or the operator panel.
3
Cover Switch
If Cover Open is displayed, check the cover
switch.
Jumper the cover switch connector on the
operator panel. If Cover Open is displayed,
check the condition and continuity of the
operator panel cable. Replace the cable or the
operator panel.
4
Main Logic Board
If the symptom has not changed, replace the
main logic board.
Содержание 4227-100
Страница 10: ...x 4227 100 Korean Safety Information...
Страница 101: ...Connector Locations 5 1 4227 100 5 Connector Locations...
Страница 105: ...Connector Locations 5 5 4227 100 Component Location Illustrations...
Страница 106: ...5 6 4227 100 Component Location Illustrations Continued...
Страница 114: ...5 14 4227 100 Connector Block Diagram...
Страница 119: ...Parts Catalog 7 2 Assembly 1 Covers and Operator Panel...
Страница 121: ...Parts Catalog 7 4 Assembly 2 Paper Feed...
Страница 123: ...Parts Catalog 7 6 Assembly 3 Carrier...
Страница 125: ...Parts Catalog 7 8 Assembly 4 Base and Electronics...
Страница 127: ...Parts Catalog 7 10 Assembly 5 ASF Side Frame Covers...
Страница 129: ...Parts Catalog 7 12 Assembly 6 ASF Roller Support...
Страница 131: ...Parts Catalog 7 14 Assembly 7 Tractor 2 Option...