Gestetner A294 Service Manual page 243

Rev. 9/2001
Mode No.
(Class 1, 2 and 3)
2-803 Corona Wire Cleaner On
2-804 Charge Corona Cleaner Setting
1 Corona Wire
Cleaner
Operation
Setting
2 Operation
Interval
2-813 Printer Gamma Setting
2-902 Printing Test Pattern
2 IPU Test
Pattern
Selection
(for Scanner)
3 Printing Test
Pattern
4 Outer I/F Block
Test Pattern
Frequency
5
Pattern Density
2-906 Vcont Manual Setting
2-909 Main Scan Magnification
1 Copier
SM
CÓPIA NÃO CONTROLADA
Function
Turns on the corona wire cleaner manually.
When copy density across the paper is
uneven at EM, clean the wire with this
mode.
Selects when automatic corona wire
cleaning is done.
0: Corona wire cleaning is not done.
1: When process control initial setting is
B
done, if the copy number after the last
cleaning operation is over the number
set in SP2-804-2.
2: At the period set in SP2-804-2.
Selects the interval for automatic corona
B wire cleaning.
Select if printer gamma correction is
applied or not.
S
This SP mode is for designer use only.
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 SICU or the SBU is defective. If the
printout is not OK, the SICU is defective.
Prints the printer test patterns.
See section 4.2.3. for how to print test
patterns.
Example: 15. Trimming Area
This SP mode is useful for finding whether
the LDDR or the SICU is defective. If the
printout is not OK, the LDDR is defective.
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 SICU or the printer application is
defective. If the printout is not OK, the
SICU is defective.
Designer use only.
B Factory use only.
Adjusts the magnification in the main scan
direction for copy mode.
Use the "•" key to toggle between + and –.
S
See "Replacement and Adjustment – Copy
Image Adjustments" for details.
4-21
CÓPIA NÃO CONTROLADA
SERVICE PROGRAM MODE
Settings
Start
[A294/A295 I]
0: Not done
1: Done
2:Periodically
[A294/A295 II]
0: Not done
1: Done
2:Periodically
100 ~ 10,000
100 print/step
5,000
0: Applied
1: Not applied
9.7 V
–2.0 ~ +2.0
0.1%/step
+0.0%
A294/A295