Xerox Phaser 6120 Service Manual

Jam and Misfeed Troubleshooting
Phaser® 6120 Color Laser Printer Service Manual
9-17
Misfeed at Duplex Unit Paper Feed Section
Detection Timing
Actions
Type Description
Detection of misfeed at
Duplex Unit paper feed
section
The Duplex Paper Loop Sensor (PC10 DU) is not unblocked even after the
lapse of a predetermined period of time after a Duplex paper feed sequence
has been started.
The Duplex Paper Loop Sensor (PC10 DU) is not blocked even after the lapse
of a predetermined period of time after a Duplex paper feed sequence has
been started.
The Duplex Transport Sensor (PC12 DU) is not blocked even after the lapse
of a predetermined period of time after a Duplex paper feed sequence has
been started.
Relevant Electrical Parts
Duplex Paper Loop Sensor (PC10 DU)
Duplex Transport Sensor (PC12 DU)
Duolex Transport Motor (M8 DU)
Duplex Board (PWB-A DU)
PWB-A (Engine Control Board)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1 Initial check items. - -
2 Check the PC10 DU sensor. PWB-A DU PJ3A DU-3 (ON) 3-G
3 Check the PC12 DU sensor. PWB-A DU PJ5A DU-3 (ON) 3-C
4 Check M8 DU for correct operation. PWB-A DU
PJ2A DU-1~4 (pulse)
5~6-C
5 Change PWB-A DU. - -
6 Change PWB-A. - -

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