General Procedures and Information
6-16
09/06
PHASER 3124 / PHASER 3125
Paper Feed Sensor
When paper passes the feed sensor actuator after paper has been fed, a signal is detected by the
feed sensor and sends a signal to the CPU.
If a signal is not received by the CPU from the feed sensor after the paper has been fed, an error
occurs.
Paper Empty Sensor
The paper in the cassette is detected by a paper empty sensor mounted on the HVPS while the
paper empty actuator sensor and the actuator mounted to a frame. Paper senses the on/off time
of the empty sensor by using CPU and informs the normal operation status and the jam occur-
rence status to CPU.
Cover Open Sensor
The front cover open sensor is located on the HVPS. When the front cover is open, +24V supplied
to each unit (DC fan, solenoid, main motor, LSU polygon motor unit, fuser assembly, and HVPS)
is interrupted.
The exit cover open sensor is located on the SMPS. When the jam cover is open, +24V supplied
to each unit (DC fan, solenoid, main motor, LSU polygon motor unit, fuser assembly, and HVPS)
is interrupted.
D0 bit of the CPU detects the an open cover. The D7 bit of the CPU detects the existence the toner
cartridge. It informs the status to the user by switching on the red LED.
Solenoid Driving Circuit
The solenoid consists of two used for paper pick-up and MP signal. D4 bit of the CPU turns it on
or off. The driving time is 300ms. The diode protects the drive TR from pulse (noise) generated by
the de-energizing operation of the solenoid.
SMPS
The SMPS supplies DC power to the system.
It takes 110V/220V and pr5V and +24V to supply power to various parts of the printer. It
consists of the AMPS, which supplies DC power to drive the system, and the AC heater control,
which supplies power to the fuser.
SMPS Specifications
•
AC Input
Input Rated Voltage : AC 220V ~ 240V AC 120V / AC 220V(EXP version)
Input Voltage fluctuating range : AC 90V ~ 135V / AC 180V ~ 270V(EXP version)
Rated Frequency : 50/60 Hz
Frequency fluctuating range : 47 ~ 63 Hz
Input current : Under 4.0Amps / 2.5Amps
(But, the status when lamp is off or rated voltage is inputted/outputted)
Summary of Contents for 3124 - Phaser B/W Laser Printer
Page 2: ......
Page 3: ...708P88624 09 06 Service Manual 708P88624 PHASER 3124 PHASER 3125 ...
Page 6: ...Introduction ii 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 18: ...Service Call Procedures 1 2 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 22: ...Status Indicator RAPs 2 2 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 42: ...Status Indicator RAPs 2 22 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 44: ...Image Quality 3 2 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 64: ...Repairs Adjustments 4 2 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 82: ...Repairs Adjustments 4 20 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 84: ...Spare Parts List 5 2 09 06 PHASER 3124 PHASER 3125 PL 1 Main Assembly ...
Page 86: ...Spare Parts List 5 4 09 06 PHASER 3124 PHASER 3125 PL 2 Frame Assembly ...
Page 88: ...Spare Parts List 5 6 09 06 PHASER 3124 PHASER 3125 PL 3 Fuser Assembly ...
Page 90: ...Spare Parts List 5 8 09 06 PHASER 3124 PHASER 3125 PL 4 Paper Path Assembly ...
Page 92: ...Spare Parts List 5 10 09 06 PHASER 3124 PHASER 3125 PL 5 Main Drive Assembly ...
Page 94: ...Spare Parts List 5 12 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 96: ...General Procedures Information 6 2 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 136: ...Wiring Diagrams 7 2 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 137: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 3 WD 1 PJ Locations Figure 1 ...
Page 142: ...Wiring Diagrams 7 8 09 06 PHASER 3124 PHASER 3125 WD 6 Phaser 3124 Main PBA 1 5 Figure 6 ...
Page 143: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 9 WD 7 Phaser 3124 Main PBA 2 5 Figure 7 ...
Page 144: ...Wiring Diagrams 7 10 09 06 PHASER 3124 PHASER 3125 WD 8 Phaser 3124 Main PBA 3 5 Figure 8 ...
Page 145: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 11 WD 9 Phaser 3124 Main PBA 4 5 Figure 9 ...
Page 146: ...Wiring Diagrams 7 12 09 06 PHASER 3124 PHASER 3125 WD 10 Phaser 3124 Main PBA 5 5 Figure 10 ...
Page 147: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 13 WD 11 Phaser 3125 Main PBA 1 11 Figure 11 ...
Page 148: ...Wiring Diagrams 7 14 09 06 PHASER 3124 PHASER 3125 WD 12 Phaser 3125 Main PBA 2 11 Figure 12 ...
Page 149: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 15 WD 13 Phaser 3125 Main PBA 3 11 Figure 13 ...
Page 150: ...Wiring Diagrams 7 16 09 06 PHASER 3124 PHASER 3125 WD 14 Phaser 3125 Main PBA 4 11 Figure 14 ...
Page 151: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 17 WD 15 Phaser 3125 Main PBA 5 11 Figure 15 ...
Page 152: ...Wiring Diagrams 7 18 09 06 PHASER 3124 PHASER 3125 WD 16 Phaser 3125 Main PBA 6 11 Figure 16 ...
Page 153: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 19 WD 17 Phaser 3125 Main PBA 7 11 Figure 17 ...
Page 154: ...Wiring Diagrams 7 20 09 06 PHASER 3124 PHASER 3125 WD 18 Phaser 3125 Main PBA 8 11 Figure 18 ...
Page 155: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 21 WD 19 Phaser 3125 Main PBA 9 11 Figure 19 ...
Page 156: ...Wiring Diagrams 7 22 09 06 PHASER 3124 PHASER 3125 WD 20 Phaser 3125 Main PBA 10 11 Figure 20 ...
Page 157: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 23 WD 21 Phaser 3125 Main PBA 11 11 Figure 21 ...
Page 158: ...Wiring Diagrams 7 24 09 06 PHASER 3124 PHASER 3125 WD 22 Connector Circuit Diagram Figure 22 ...
Page 159: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 25 WD 23 SMPS Figure 23 ...
Page 160: ...Wiring Diagrams 7 26 09 06 PHASER 3124 PHASER 3125 WD 24 HVPS 1 3 Figure 24 ...
Page 161: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 27 WD 25 HVPS 2 3 Figure 25 ...
Page 162: ...Wiring Diagrams 7 28 09 06 PHASER 3124 PHASER 3125 WD 26 HVPS 3 3 Figure 26 ...
Page 163: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 29 WD 27 Phaser 3124 Block Diagram Figure 27 ...
Page 164: ...Wiring Diagrams 7 30 09 06 PHASER 3124 PHASER 3125 WD 28 Phaser 3125 Block Diagram Figure 28 ...