Safety Of Toner; Handling The Laser Unit; Points To Note At Disassembly/Assembly Work - Canon LBP3250 Series Service Manual

Chapter 1

1.5.3 Safety of Toner

The machines toner is a non-toxic material made up of plastic, iron, and small amounts of dye.
Do not throw toner into fire. Doing so can lead to explosion.
Toner on Clothing or Skin
1. Remove toner from clothing or skin, and wash with water.
2. Do not use warm or hot water, which will cause the toner to turn jelly-like and fuse permanently with the fibers of clothing.
3. Toner tends to react readily with vinyl. Do not bring it in contact.
4. Storage of copy/print output
Do not use the polyvinyl case.
If printed side contacts with the surface of case, toner melts and the paper may be adhered with a case.

1.5.4 Handling the Laser Unit

The laser scanner unit emits invisible laser beam. DO NOT disassemble the unit as the laser beam can possibly damage your eyes. The unit cannot be adjusted in
the field. The following label is attached to the cover of the unit:

1.5.5 Points to Note at Disassembly/Assembly Work

Be sure to ensure the following notes when performing disassembly/assembly work.
1. Be sure to disconnect the power plug for safety when performing disassembly/assembly work.
2. As for assembly procedure, perform the reverse procedure of disassembly unless otherwise instructed.
3. Avoid making mistakes in the type of screws (length/diameter) and usage locations for assembly.
4. Screws w/washer are used as mounting screws for grounding wires and varistors with the aim of checking electric continuity. Be sure to use this screw for as-
sembly.
5. Basically, do not activate the machine with their parts being removed.
6. Do not remove paintlock screws at the time of disassembly.
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