Ricoh A217 Service Manual page 28

14 August 1997
Mode No.
Class 1 Class 2
2
2902 3
7
2905 *
2906 *
2909 *
2950 *
3001
Test Pattern Prints the test patterns for digital video processing.
Printing See section 2.2.2 for how to print test patterns.
(Digital Video 0. Not used
Processing) 3. Cross Pattern
6. 600 dpi
This SP mode is useful for finding whether the printer
or the EX-IPU failed. If the printout is OK, the EX-IPU
is defective. If the printout is not OK, the printer is
defective.
Test Pattern Prints the printer test patterns.
Printing See section 2.2.2 for how to print test patterns.
(Printing) Example: 10. Trimming Area
For the other test patterns, refer to section 2.2.2.
This SP mode is useful for finding the part that failed. If
the printout is OK, the EX-IPU is defective. If the
printout is not OK, the printer is defective.
Test Pattern Prints the test pattern for the GA5 (IC for image
Printing compression)
(GA5) 0: Not used 1: Print out
LD PWM Laser Selects the laser pulse positioning
Pulse type that is used for test printouts
Positioning and when in binary picture
processing mode.
If SP 4904-1 is set to NO, this SP
mode is ignored. The "center" setting
will be used.
TD Sensor Input Use to input the TD sensor control
Voltage voltage.
Factory use only
Main Scan Adjusts the magnification in the main
Magnification scan direction for the printer.
Use the /
+ and -. See "Replacement and
Adjustment - Copy Image
Adjustments" for details.
Side-to-Side Changes the printing start position.
Registration
(Base)
Factory use only
ID Sensor Initial Performs the ID sensor initial setting.
Setting The ID sensor output for the bare
area of the drum (VSG) is adjusted
to 4.0
This SP mode should be performed
after replacing or cleaning the ID
sensor or replacing the drum.
Function
1. Vertical Stripes
4. Black Bands
key to toggle between
H
0.2V.
25
SP MODE
Settings
2. Grayscales
5. 300 dpi
2: Center
3. Left
4. Right
5.
Concentrated
4 ~ 10
0.1 V/step
8.0 V
- 2.54~+ 2.54
0.02 %/step
+ 0.00 %
- 12.7~+ 12.7
0.1 mm/step
+ 0.0 mm