Brother DCP-7090DW User Manual

2-105
Confidential
4.11 Troubleshooting for Document Feeding Problems
4.11.1No document is fed
<User Check>
• Set the document properly and check that the display on the LCD changes.
• Check that the number of paper set has not exceeded the upper limit in the document tray.
• Check that the ADF cover is closed correctly.
4.11.2Multiple documents are fed
<User Check>
• Check that the thickness of the document is 64 to 105 g/m
2
.
• Check that the number of paper set has not exceeded the upper limit in the document tray.
Step Cause Remedy
1
Document detection actuator
coming off
Reattach the document detection actuator.
2
Connection failure of the ADF
motor harness
Reconnect the ADF motor harness.
3
Boss to push the ADF cover
sensor of the ADF cover
Replace the ADF cover ASSY.
4
Document separate roller
failure
Replace the document separate roller ASSY.
5 Damaged ADF drive gear Replace the ADF unit.
6 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Abrasion of ADF separation
pad
Replace the ADF separation pad.

Brother DCP-7090DW Specifications

General

Print Technology	Laser
Functions	Print, Copy, Scan
Print Speed (Black)	30 ppm
Max Copying Resolution	600 x 600 dpi
Scan Resolution	1200 x 1200 dpi
Optical Scan Resolution	600 x 2400 dpi
Color Depth	24-bit
Connectivity	USB, Ethernet
Wireless	Yes
Paper Capacity	250 sheets
Duplex Printing	Yes
Display	LCD
Max Paper Size	A4
Mobile Printing	Yes
Operating System Compatibility	Windows, Mac OS, Linux
Print Resolution	Up to 2400 x 600 dpi
Grayscale Depth	8 bit
Type	All-in-One Printer