Ricoh Aficio Color 4006, Service Manual

Page: 401 / 487

SP TABLE 24 February, 1999
32
SP No.
Item
[Display]
Default
Value
Value Range Step
SP7-
902/3
Description
04-904 Scanner IPU board tests
[IPU Board Test] Selects the CCD output and internal test pattern
outputs.
04-904-01 Scanner IPU board test 1
[Test1] 0 to 0x17 1
04-904-02 Scanner IPU board test 2
[Test2] 0 to 0x2A 1
Tests the scanner IPU board.
0: OK
Others: Defective
04-907: VPU Test Pattern Selection [VPU Test Ptrn Selection]
04-907-00
VPU Test pattern select
[VPU Test Ptrn Selection] 0 0 to 5 1 Selects the CCD output and internal test patterns.
The analog video ASIC makes test patterns 1 to 5 for
this SP mode.
0: CCD output, 1: Black pattern, 2: White pattern,
3: 16-gradation pattern, 4: 4-dot grid pattern,
5: 2-dot grid pattern
04-910: Manual gamma adjustment: Copy: Letter K [Manual gamma Adj: Copier: k]
04-910-01
Offset (low ID)
[Low ID (Offset): Text] 15 0 to 30 1 Yes
04-910-02 Offset (Middle ID)
[Middle ID (Offset): Text] 15 0 to 30 1 Yes
04-910-03 Offset (High ID)
[High ID (Offset) Text] 15 0 to 30 1 Yes
04-910-04 Offset (ID max)
[ID max (Offset) Text] 15 0 to 30 1 Yes
04-910-05 Option (low ID)
[Low ID (Option) Text] 0 0 to 30 1 Yes
04-910-06 Option (Middle ID)
[Middle ID (Option) Text] 0 0 to 30 1 Yes
04-910-07 Option (High ID)
[High ID (Option) Text] 0 0 to 30 1 Yes
04-910-08 Option (ID max)
[ID max (Option) Text] 0 0 to 30 1 Yes
Use these SPs to adjust the colour balance if the
results of ACC are not satisfactory.
This is for black toner (full colour mode) in letter
mode, using copy mode.
Do not use the ‘Option’ settings.
See ‘Replacement and Adjustment – Copy Image
Adjustment – Printer Gamma Adjustment’ for how to
use these SP modes.
ACC (Automatic Colour Calibration)