Xerox Phaser 6120 Service Manual

Jam and Misfeed Troubleshooting
Phaser® 6120 Color Laser Printer Service Manual
9-16
Jam and Misfeed Troubleshooting Procedures
Initial Actions
When a paper misfeed occurs, first check the following initial check items.
Misfeed at Duplex Unit Reverse Drive/Storage Section
Detection Timing
Actions
Check Item Action
Does the paper meet product specifications? Change the paper.
Is paper curled, wavy, or damp? Change the paper.
Instruct the user in correct paper storage.
Is a foreign object present along the paper path, or is
the paper path deformed or worn?
Clean or change the paper path.
Are the Paper Separator Fingers dirty, deformed, or
worn?
Clean or change the defective Paper Separator
Finger.
Are the rolls/rollers dirty, deformed, or worn? Clean or change the defective roll/roller.
Are the Edge Guide and Trailing Edge Stop at the
correct position to accommodate the paper?
Set as necessary.
Are the actuators found operational when checked
for correct operation?
Correct or change the defective actuator.
Type Description
Detection of misfeed at Duplex
Unit reverse drive/storage
section
The Duplex Transport Sensor (PC12 DU) is not unblocked within a
specified period of time after the Duplex Reverse Motor (M9 DU) has
been energized for reverse drive.
Relevant Electrical Parts
Duplex Transport Sensor (PC12 DU)
Duolex Transport Motor (M8 DU)
Duplex Reverse Motor (M9 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 PC12 DU sensor. PWB-A DU PJ5A DU-3 (ON) 3-C
3 Check M8 DU for correct operation. PWB-A DU
PJ2A DU-1~4 (pulse)
5~6-C
4 Check M9 DU for correct operation. PWB-A DU
PJ2A DU-5~8 (pulse)
5~6-C~D
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