Service Error Codes
247
TROUBLESHOO
TING
1. Re-install charger unit.
2.
Replace the charger unit or belt cartridge.
3. Adjust contact to make proper connection
4.
Clean the socket part.
5. Replace
High Voltage Unit(HVU)
6. Replace
the IOD1
P.W.B.
7. Replace MCTL PWB
F4
Code
Description of Error
Cause of Error
Clearance Method
High Voltage Unit(HVU)
F5
1. Charger Unit Improperly
Installed
2. Corona Wire cut/shorted
3. C
ontract failure of the high
voltage (CHV) output
terminal
4. C
ontract failure or short of
CHV socket
5.
High Voltage Unit(HVU)
Failure
6. IOD1 Failure
7. MCTL PWB Failure
Heater Fan(HTFAN)
1. Loose/Broken connection
3. Defective Heater
Fan
4. IOD1 Failure
6. MCTL PWB Failure
1. Check the connections between:
a) DCN10 of IOD1 and the heater fan connector
.
b) DCN1 of IOD1 and 11CN of MCTL P.W.B.
3. If voltage between DCN10-4 and 5 is
rising edge then replace
the heater fan.
3. If voltage between DCN1-49 and 2 is
rising edge then replace
the
IOD1
P.W.B.
5.Replace MCTL PWB
MCTL
11CN
2
49
PGND
HTFANON-P
IOD1
DCN1 DCN10
HTFAN
12
49
HTFANON-P
PGND
HTFANERR
4
5
6
Heater Fan
MCTL
IOD1
Charger Unit
HVU
CHV
DCN14
BCN1
+24V-1
CHVN-N
CHVERR
1
7
8
HV
Содержание Super Script 4400
Страница 1: ...NEC SuperScript 4400 4400N Maintenance Guide 18 September 1998 Part Number 703 A0240 001 ...
Страница 3: ...i SuperScript 4400 Maintenance Guide ...
Страница 61: ...52 SuperScript 4400 Maintenance Guide ...
Страница 71: ...62 SuperScript 4400 Maintenance Guide ...
Страница 125: ...116 SuperScript 4400 Maintenance Guide ...
Страница 145: ...136 SuperScript 4400 Maintenance Guide IOD2 P W B Registration Clutch Side Cover R Cleaner Clutch Fuser Clutch C ring ...
Страница 174: ...Replacement Procedures for Maintenance Parts 165 PRINTER MAINTENANCE Controller Fan Fan Case Interlock Switch ...
Страница 189: ...180 SuperScript 4400 Maintenance Guide Toner Sensor TPD Toner Sensor TTR Fram Ass y ...
Страница 193: ...184 SuperScript 4400 Maintenance Guide Stay A Ass y Transfer Drum ...
Страница 197: ...188 SuperScript 4400 Maintenance Guide Hinge arm Hinge holder Front hinge L Front Inner Cover Front Cover Unit ...
Страница 203: ...194 SuperScript 4400 Maintenance Guide Stay A Ass y ...
Страница 267: ...258 SuperScript 4400 Maintenance Guide ...
Страница 273: ...264 SuperScript 4400 Maintenance Guide ...
Страница 287: ...XIV SuperScript 4400 Maintenance Guide F G H I J ...
Страница 289: ...XVI SuperScript 4400 Maintenance Guide ...
Страница 290: ...SuperScript 4200N and 4400 Series Printers Maintenance Guide March 1999 703 A0322 001 Addendum ...
Страница 293: ...ii Superscript 4200N and 4400 Series Maintenance Guide Addendum ...
Страница 295: ...iv Superscript 4200N and 4400 Series Maintenance Guide Addendum ...
Страница 302: ...7 ...
Страница 314: ...19 NOTES ...
Страница 315: ...20 Superscript 4200N and 4400 Series Maintenance Guide Addendum ...
Страница 316: ......
Страница 317: ...P N 703 A0322 001 NEC Technologies Inc 1250 N Arlington Heights Rd Itasca IL 60143 www nectech com ...