Replacement Procedures for Maintenance Parts
149
PRINTER MAINTENANCE
7.3.4 Control Fan (CTFAN)
Tools
Phillips Screwdriver #1, #2
Disassembly Procedures
1.
Remove the side cover (LU). (See the item 7.1.1.)
2.
Remove the side cover (L). (See the item 7.1.2.)
3.
Remove the top cover. (See the item 7.1.4.)
4.
Remove the set screw ST3 6 (3 pcs.), and shield cover
(upper).
5.
Disconnect all the fan motor harness connectors.
6.
Remove the set screw ST3 6 (2 pcs.) of fan case
assembly.
7.
Remove the fan motor from the fan case assembly.
Assembly Procedures
1.
Install a new fan motor to the fan case.
2.
Install the fan duct assembly to the main body.
3.
After the above , follow exactly the reverse order of
disassembling procedures.
4.
Upon completion of the installation, connect the power
supply cable.
5.
Turn the power supply switch ON.
6.
Execute the test print in Service Mode.
7.
Confirm the operation and print quality.
Controller Fan
Interlock Switch
(Front)
Fan Case
Fan Motor
Summary of Contents for Super Script 4400
Page 1: ...NEC SuperScript 4400 4400N Maintenance Guide 18 September 1998 Part Number 703 A0240 001 ...
Page 3: ...i SuperScript 4400 Maintenance Guide ...
Page 61: ...52 SuperScript 4400 Maintenance Guide ...
Page 71: ...62 SuperScript 4400 Maintenance Guide ...
Page 125: ...116 SuperScript 4400 Maintenance Guide ...
Page 189: ...180 SuperScript 4400 Maintenance Guide Toner Sensor TPD Toner Sensor TTR Fram Ass y ...
Page 193: ...184 SuperScript 4400 Maintenance Guide Stay A Ass y Transfer Drum ...
Page 203: ...194 SuperScript 4400 Maintenance Guide Stay A Ass y ...
Page 267: ...258 SuperScript 4400 Maintenance Guide ...
Page 273: ...264 SuperScript 4400 Maintenance Guide ...
Page 287: ...XIV SuperScript 4400 Maintenance Guide F G H I J ...
Page 289: ...XVI SuperScript 4400 Maintenance Guide ...
Page 293: ...ii Superscript 4200N and 4400 Series Maintenance Guide Addendum ...
Page 295: ...iv Superscript 4200N and 4400 Series Maintenance Guide Addendum ...
Page 302: ...7 ...
Page 314: ...19 NOTES ...
Page 315: ...20 Superscript 4200N and 4400 Series Maintenance Guide Addendum ...
Page 316: ......