CHAPTER 5 PERIODIC MAINTENANCE
5-5
3. PERIODICAL
CLEANING
Clean the following parts periodically to avoid any printer problems or print image defects.
!
CAUTION:
While drum unit and scanner window cleaning basically can be implemented by the end user,
the electrical terminals inside the printer and on the drum unit should be cleaned by a service
technician. Instruct the users not to touch those terminals.
3.1
Cleaning the Printer Exterior
Clean the printer exterior to keep the printer clean.
1) Turn off the power switch and unplug the power cord.
2) Wipe dirt and dust away from the printer exterior with a damp cloth and allow the printer
to dry completely before turning the power on again.
!
CAUTION:
Use water or neutral detergents for cleaning. Cleaning with volatile liquids such as thinners or
benzene will damage the surface of the printer.
3.2
Cleaning the Drum Unit
When replacing the drum unit or toner cartridge with a new one, be sure to clean the drum unit.
1) Turn off the power switch and unplug the power cord.
2) Remove the drum unit from the printer.
3) Clean the primary corona wire inside the drum unit by gently sliding the wire cleaner
(blue tab) to the right end and left end several times.
Fig. 5-7
4) Return the cleaner to the home position.
!
CAUTION:
Make sure that the wire cleaner on the drum unit is returned to the home position (
▲
mark
position) before re-installing the drum unit into the printer, or printed pages may have vertical
stripes.
5) Install the drum unit into the printer.
Home position (
▲
)
Summary of Contents for HL-1030
Page 51: ...CHAPTER 3 THEORY OF OPERATION 3 9 Fig 3 8 ...
Page 53: ...CHAPTER 3 THEORY OF OPERATION 3 11 Two 32 Mbits ROMs x 16 bit are fitted Fig 3 11 HL 1270N ...
Page 122: ...CHAPTER 5 PERIODIC MAINTENANCE 5 8 ...
Page 198: ...CODE UK4352000 B512040CIR 1 2 A 20 NAME Appendix 11 Main PCB Circuit Diagram HL 1030 1240 1 2 ...
Page 199: ...Appendix 12 Main PCB Circuit Diagram HL 1030 1240 2 2 CODE UK4352000 B512040CIR 2 2 A 21 NAME ...
Page 202: ...CODE UK4361000 B512049CIR A 24 NAME Appendix 15 Main PCB Circuit Diagram HL 1250 1270N 3 5 ...
Page 205: ...Appendix 18A Engine PCB Circuit Diagram OLD CODE UK4444000 B512059CIR A 27 NAME ...
Page 206: ...Appendix 18B Engine PCB Circuit Diagram NEW CODE UK4444000 B512059CIR A 28 NAME ...
Page 207: ...Appendix 19 Network Board Circuit Diagram HL 1270N CODE LJ8107000 B512058CIR A 29 NAME ...
Page 218: ...INDEX vi ...