Xerox Phaser 6120 Service Manual

Power Supply Errors
Phaser® 6120 Color Laser Printer Service Manual
4-22
Power Supply Errors
Printer Does Not Power ON - LVPS (PU) Operation Check
Control Panel Indicators Do Not Light
Fusing Heaters Do Not Operate
Relevant Electrical Parts
Power Switch
PWB-A (Engine Control Board)
Power Unit (PU)
Step Check Item
Location
(Electrical
Component) Result Action
1 Is the power source voltage being applied to
CN1 on LVPS (PU)?
7-I NO Check wiring from
power outlet PG1 to
CN1.
2 Are fuses (F1 and F2) on PU conducting? - NO Change PU.
3 Are DC24 V and DC5 V being applied to
PJ2A on the Mechanical Control Board?
4-E NO Change PU.
YES Change PWB-A.
Relevant Electrical Parts
Print Control Board (PWB-P)
Control Panel (PWB-OP)
Power Unit (PU)
Step Check Item
Location
(Electrical
Component) Result Action
1 Is the power source voltage being applied to
CN1 on PU?
7-C NO Check wiring from
power outlet PG1 to
CN1.
2 Are fuses (F1 and F2) on PU conducting? - NO Change PU.
3 Is PJ13P on PWB-P properly connected? 13-A NO Reconnect.
4 Is PJ10P on PWB-OP properly connected? 8-D NO Reconnect.
YES Change PWB-OP.
Change PWB-P.
Relevant Electrical Parts
Safety Switch (S2)
Fusing Unit
Power Unit (PU)
Step Check Item
Location
(Electrical
Component) Result Action
1 Is the power source voltage being applied to
CN1 on PU?
The Top Cover and Front Cover should in
closed position at this time.
7-C NO Check wiring from
power outlet PG1 to
CN1.
2 Is the power source voltage being applied to
CN2 on PU?
7-E YES Change the Fusing
Unit.
NO Change PU.

Xerox Phaser 6120 Specifications

General

Color	Yes
Print technology	Laser
Time to first page (black, normal)	13 s
Time to first page (color, normal)	22 s
Print speed (black, normal quality, A4/US Letter)	20 ppm
Print speed (color, normal quality, A4/US Letter)	5 ppm
Internal memory	128 MB
Processor model	300 MHz, 32 bit RISC
Maximum print size	210 x 297 mm
Maximum ISO A-series paper size	A4
I/O ports	USB
Power requirements	200 – 240 VAC / 100 – 127 VAC 50/60 Hz
Networking features	Ethernet/Fast-Ethernet
Non-operating relative humidity (non-condensing)	10 - 85 %
Total input capacity	200 sheets
Maximum input capacity	500 sheets
Printer fonts	PostScript
Maximum duty cycle	35000 pages per month
Number of PostScript fonts	139
Power consumption (printing)	380 W
Storage temperature (T-T)	-20 - 40 °C
Operating temperature (T-T)	10 - 32 °C
Operating relative humidity (H-H)	10 - 80 %

Weight and Dimensions

Dimensions (WxDxH)	442 x 395 x 341 mm