Xerox Phaser 3124 Service Manual

Image Quality
3-20 09/06 PHASER 3124 / PHASER 3125
IQ 18 Periodic Defective Image
If a mark or other printing defect occurs at regular intervals on the page it may be caused by a
damaged or contaminated roller. Measure the repetition interval and refer to the table below to
identify the roller concerned.
Table 1: Periodic Defective Image
No Roller Defective Image Typical Defect
1 OPC Drum 75.5mm (2.97 inches) White spots on a black image or vice versa
2 Charge Roller 37.7mm (1.48 inches) Black spots
3 Supply Roller 47.5mm (1.87 inches) Light or dark horizontal image bands
4 Developing Roller 35.2mm (1.39 inches) Horizontal image bands
5 Transfer Roller 46.2mm (1.82 inches) Ghost image
6 Heat Roller 77.7mm (3.06 inches) Black spots or ghost image
7 Pressure Roller 75.4mm (2.97 inches) Black spots on the back page
8 Feed Roller 57mm (2.24 inches) Black spots

Xerox Phaser 3124 Specifications

General

Color	No
Print technology	Laser
Maximum resolution	600 x 1200 DPI
Time to first page (black, normal)	9 s
Print speed (black, normal quality, A4/US Letter)	25 ppm
Internal memory	8 MB
Sound power level (standby)	35 dB
Sound pressure level (printing)	53 dB
Paper tray media types	Envelopes, Labels, Plain paper, Transparencies
Non-ISO print media sizes	Folio
ISO A-series sizes (A0...A9)	A4
Power requirements	220 – 240 V, 50/60 Hz
Power consumption (standby)	65 W
Power consumption (printing)	390 W
Power consumption (PowerSave)	6.5 W
Operating temperature (T-T)	10 - 32 °F
Operating relative humidity (H-H)	20 - 80 %

Weight and Dimensions

Dimensions (WxDxH)	358 x 298 x 253 mm