Brother HL-1850 Service Manual page 189

Error Message
PRINT OVERRUN
IGNORE DATA
SIZE ERROR DX
SIZE ERROR T1
SIZE ERROR T2
NO DX TRAY
DX LEVER ERROR
NO TRAY1
CLEAN DRUM UNIT
Maintenance Message
CHANGE DRUM SOON
TONER LOW
REPLACE PF KIT1
REPLACE PF KIT2
REPLACE FUSER
REPLACE LASER
Remedy
Reduce the resolution, or add the optional memory.
(1) Press the Go switch to print the data remaining in the
printer.
(2) Reduce the complexity of the document.
(3) Expand the printer memory by adding a commercially
available DIMM.
(4) Set page protect to correct size.
Send correct data to the printer.
Specify the printable paper size.
Set the correct paper that you want to use into the Tray 1, or
load the same size paper that you selected in the current
driver setting.
Set the correct paper that you want to use into the Tray 2, or
load the same size paper that you selected in the current
driver setting.
Install the duplex tray correctly.
Set paper adjustment lever for duplex printing.
Install paper cassette (standard) into the Tray 1.
Clean the corona wire. Refer to
drum unit’ in CHAPTER
Remedy
The drum unit is almost at the end of life. Prepare a new
drum unit. Refer to subsection 1.1 ‘Drum Unit’ in CHAPTER
5.
Indicates that the toner cartridge is nearly empty. Purchase a
new toner cartridge in order to be ready for when the “TONER
EMPTY” message is indicated. Also refer to
‘Toner Cartridge’ in CHAPTER
Replace the paper feeding kit (pad holder ZLh ASSY / paper
pick-up roller ASSY). Refer to
Cassette’ and 3.13 ‘Paper Pick-up Roller ASSY’ in CHAPTER
4.
Replace the fixing unit. Refer to
in CHAPTER 4.
Replace the laser unit. Refer to
in CHAPTER 4.
6-5
HL-1850/1870N SERVICE MANUAL
subsection 3.2 ‘Cleaning the
5.
subsection 1.2
5.
subsection 3.3 ‘Paper
subsection 3.12 ‘Fixing Unit”
subsection 3.11 ‘Laser Unit’