Brother MFC-8370DN Service Manual

3-28
Confidential
■ Error code 9F
Paper empty
■ Error code A1
Front cover open
No Paper
Reload paper, then press Start.
<User Check>
• Replenish the paper in the paper tray.
Step Cause Remedy
1 Dirt on PE sensor Clean the PE sensor.
2
Harness connection failure of PE
EG sensor PCB ASSY.
Check the harness connection of the PE
EG sensor PCB ASSY and reconnect it.
3
PE actuator catching on some
position
Correct catching of the PE actuator.
4
PE sensor failure Check the sensor performance following
the procedure described in “Maintenance
mode 32”. If any problem occurs, replace
the PE PG sensor PCB ASSY.
5 HVPS PCB unit failure Replace the HVPS PCB unit.
6 Main PCB failure Replace the main PCB ASSY.
Cover is Open
Close the Front Cover.
<User Check>
• Close the front cover perfectly.
Step Cause Remedy
1
Harness connection failure of front
cover sensor ASSY
Check the harness connection of the front
cover sensor ASSY and reconnect it.
2
Part pressing the front cover
sensor ASSY is broken, which is
provided at the left side of the front
cover inside.
Replace the front door main or front door
unit ASSY.
3
Front cover sensor failure Check the sensor performance following
the procedure described in “Maintenance
mode 32”. If any problem occurs, replace
the front cover sensor ASSY.
4 Relay front PCB failure Replace the relay front PCB ASSY.
5 Main PCB failure Replace the main PCB ASSY.

Brother MFC-8370DN Specifications

General

Duplex printing	Yes
Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Time to first page (black, normal)	8.5 s
Print speed (black, normal quality, A4/US Letter)	28 ppm
Input color depth	48 bit
Optical scanning resolution	600 x 2400 DPI
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
Maximum number of copies	99 copies
N-in-1 copy function (N=)	2, 4, 9, 16, 25
Copy speed (black, normal quality, A4)	28 cpm
Faxing	Mono faxing
Fax memory	500 pages
Modem speed	33.6 Kbit/s
Total input capacity	250 sheets
Total output capacity	150 sheets
Multi-Purpose tray input capacity	50 sheets
Auto document feeder (ADF) input capacity	20 sheets
Display	LCD
Product color	Grey, White
Market positioning	Home & office
Display number of lines	2 lines
Display number of characters	16
Card reader integrated	-
Sound power level (standby)	30 dB
Sound pressure level (printing)	56 dB
Paper tray media types	Bond paper, Envelopes, Labels, Plain paper, Recycled paper, Transparencies
Non-ISO print media sizes	Executive
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 163 g/m²
Standard interfaces	Ethernet, USB 2.0
USB 2.0 ports quantity	1
Dimensions (WxDxH)	531 x 451 x 475 mm
All-in-one functions	Copy, Fax, Scan
Color all-in-one functions	Scan
Power consumption (standby)	85 W
Power consumption (average operating)	680 W
Package weight	21100 g
Digital sender	No
Maximum duty cycle	- pages per month

Weight and Dimensions

Depth	443 mm
Width	390 mm
Height	442 mm