Ricoh SP5 Series Service Manual page 210

June 30, 1998
Mode No.
(Class 1 , 2 & & & & 3)
2-506 Cleaning Interval – Multiple Copy
1 Operation
2 Interval
2-801 TD Sensor Initial Setting
2-803 Corona Wire Cleaner On
2-804 Corona Wire Cleaner Operation Setting
1 On/Off
2 Operation
Interval
2-902 Printing Test Pattern
2 IPU Test
Pattern
3 Printing Test
Pattern
2-906 Vcont Manual Setting
Function
* Selects whether multiple copy jobs are
stopped at regular intervals for the
following purposes.
1. Stop and turn the drum motor in reverse
to clean the cleaning blade edge
2. Make an ID sensor pattern to correct
the toner density control.
The interval depends on SP2-506-2.
Use if the drum gets dirty or images get too
pale or too dark during a long job.
* Selects the interval at which multi copy
jobs are stopped.
* Performs the TD sensor initial setting. This
SP mode controls the voltage applied to
the TD sensor to make the TD sensor
output about 2.5 V. After finishing this, the
TD sensor output voltage is displayed.
Use this mode only after changing the TD
sensor or the developer.
Turns on the corona wire cleaner
manually.
When copy density across the paper is
uneven at EM, clean the wire with this
mode.
Selects whether corona wire cleaner
operation is done.
When 'Operate' is selected, the period is
set with SP2-804-2.
* Selects the operation interval of the corona
wire cleaner.
Prints the test patterns for the IPU chip.
See section 4.2.3. for how to print test
patterns.
This SP mode is useful for finding whether
the SBICU or the SBU is defective. If the
printout is not OK, the SBICU is defective.
Prints the printer test patterns.
See section 4.2.3. for how to print test
patterns.
Example: 10. Trimming Area
This SP mode is useful for finding whether
the LDDR or the SBICU is defective. If the
printout is not OK, the LDDR is defective.
* Factory use only.
4-17
SERVICE PROGRAM MODE
Settings
1 : No
2 : Yes
1 ~ 100
1
minute/step
15
minutes
Start
Start
1:Operate
(yes)
0:Not operate
(No)
100 ~ 10 k
100 print/step
5 k
10 V