Testing Motor Resistances; Table 6-1 Motor And Solenoid Resistances - Tektronix Phaser 550 Service Manual

Testing motor resistances

Required tools
#1 Phillips screwdriver
VOM
With a VOM set for measuring resistance, test each motor's windings for its
correct resistance. Rotate the motor's drive shaft slowly while taking the
measurement.

Table 6-1 Motor and solenoid resistances

Motor or solenoid
Main motor
Paper feed motor
Toner cartridge drive motor
Toner cartridge selector cam
motors
Transfer roller clutch
Aligning roller clutch
Cleaning (accumulator belt)
blade solenoid
Connector Resistance (approximately)
CN313 25 ohms between pins 1 and 2, pins 1
and 3, pins 2 and 3.
350 ohms between pins 4 and 5, pins 6
and 7, pins 8 and 9.
CN306 5 ohms between pins 1 and 2.
300 ohms between pins 3 and 5,
pins 3 and 6, pins 4 and 5, pins 4 and 6.
350 ohms between pins 3 and 4, and
between pins 5 and 6.
CN305 1.5 ohms between pins 1 and 2.
10 kohm between pins 3 and 5.
CN308 50 ohms between pin 22 (+24 V) and pins
20 (cyan motor), 18 (magenta motor),
16 (yellow motor) and 14 (black motor).
CN606 80 ohms
CN605 150 ohms
CN302 120 ohms
Troubleshooting
Service Manual 6-7
6