Service manual

AR-M351U/M451U, AR-M355U/M455U GENERAL 1 - 1
[1] GENERAL
1. Note for servicing
Pictogram
This Service Manual uses some pictographs to assure safe opera-
tion.
Please understand the meanings of pictographs before servicing.
CAUTION: If this CAUTION is ignored, an injury or damage to
property could occur.
A. Cautions for servicing
1) Do not touch the photoconductive drum. Scratches or
smudges on the drum will cause dirty printouts.
2) The fusing unit is extremely hot. Exercise care in this area.
3) Do not look directly at the light source of the scanner module.
Doing so may damage your eyes.
4) Five adjusters are provided on all optional stand/paper drawer
units. These adjusters should be lowered until they contact the
floor.
5) Do not make any modifications to this machine. Doing so may
result in personal injury or damage to the machine.
6) Since this machine is heavy, it is recommended that it be
moved by more than one person to prevent injury.
7) When connecting this machine to a computer, be sure to first
turn both the computer and the machine off.
8) Do not print anything which is prohibited from printing by law.
The following items are normally prohibited from printing by
national law. Other items may be prohibited by local law.
• Money
• Stamps
• Bonds
• Stocks
• Bank drafts
• Checks
• Passports
• Driver's licenses
9) Do not throw toner or a toner cartridge into fire. Toner may be
spattered, causing a burn.
10) Store toner or toner cartridges in a hard-to-reach place for chil-
dren.
Fusing unit
Lock
Release
Adjuster