Ricoh SP 3710DN - Laser Unit; Caution Decal Locations

Laser Unit
SM 4-43 M0C3/M0C4/M0C5/M0C6/M0C7
Replacement
and
Adjustment
4.6 LASER UNIT
• Turn off the main power switch and unplug the machine before attempting any of the
procedures in this section. Laser beams can seriously damage your eyes.
4.6.1 CAUTION DECAL LOCATIONS
A caution decal is attached as shown below.
• Be sure to turn off the main switch and disconnect the power plug from the power
outlet before beginning any disassembly or adjustment of the laser unit. This machine
uses a class IIIB laser beam. The laser can cause serious eye injury.
4.6.2 LASER UNIT
1. Remove the top cover (Printer models: Top Cover, MF models: Top Cover).
2. Remove the laser unit [A].
After replacing the laser unit, check the registration by printing the test pattern. (Test
Pattern Printing)