After Installing A New Laser Unit - Ricoh M065 Service Manual

After installing a new laser unit

Do the following adjustment after installing the new laser unit.
1. Plug in and turn on the main power switch.
2. Check that the settings of SP2-119-001, -002 and -003 are "0". If these settings are not
"0", execute "Recovery procedure for no replacement preparation of laser unit"
described above.
If this step is not correctly done, an image problem may occur on printouts.
3. Input the SP settings on the sheet provided with a new laser unit.
SP2-101-001: Color Registration Adjustment for Black
SP2-102-013, 015, 017, 019: Magnification Adjustment Main Beam Pitch Dot for
each color
SP2-102-014, 016, 018, 020: Magnification Adjustment Main Beam Pitch Subdot
for each color
SP2-102-001: Main Magnification for Black and Standard line speed
SP2-102-002: Main Magnification for Black and Medium line speed
SP2-102-003: Main Magnification for Black and Low line speed
SP2-104-001 to -008: :LD Initial Power Adjustment for each color
The printed values [A] are different for each laser unit.
If the SP settings shown above are not input correctly, it may cause color
registration errors.
4. Print the test pattern (14: 1-dot trimming pattern in the SP2-109-003).
5. Check that the left and right trim margin is within 4 ± 1 mm. If not, change the standard
value for the main scan magnification adjustment.
6. Select "0" with SP2-109-003 after printing the "1-dot trimming pattern.
7. Do the line position adjustment.
SM 4-17
Laser Optics
M065/M066