NEC Super Script 4400 Maintenance Manual page 183

7 .5.6 Drum Jam Sensor (DPJ)
Tools
Phillips Screwdriver #1, #2
Disassembly Procedures
1. Remove the fuser unit.
2. Remove the photoconductor belt module.
3. Remove the drum cleaner.
4. Remove the transfer drum. (See the item 7.6.3.)
5. Remove the sensor cover.
6. Disconnect all the connectors connected with the drum jam sensor.
7. Remove the drum jam sensor from the stay B.
Assembly Procedures
1. Install a new drum jam sensor (DPJ) to the stay B.
2. After the above, follow exactly the reverse order of disassembling procedures.
174 SuperScript 4400 — Maintenance Guide
Drum Jam Sensor
Cover F
Oil Sensor