Ricoh A172 - Glass-top Copy Mode Calibration

BULLETIN NO. SDC206 / SDC206E-002
SUBJECT: AUTO COLOR CALIBRATION (ACC) PROCEDURE
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1 O/25/96 ~
AUTO COLOR CALIBRATION (ACC) PROCEDURE:
NOTE: Because the reflectivity of the copy paper can affect the ACC results, it is recommended
that Hammermill, Color Copy Paper (long grain, Photo White) be utilized to print the A CC
test pattern.
As mentioned in the Technical Manual (Note: (a), page 3-6), be sure to plug the power cord in with
the Main Switch in the “OFF” position at machine installation. This will energize the Transfer Roller
Heater and allow the internal temperature of the machine to stabilize.
It may be necessary to have
the Transfer Roller Heater energized for 2 to 3 hours (depending on how cold an environment the
machine has been in).
Glass-top Copy Mode Calibration
I. Place the C4 Test Chart (A0929503A) on the glass, select 11 X 17 inch paper, select Photo
Mode, and change Auto Image Density to Manual Image Density. Enter User Tool No. 2 and
set values to factory default and press “Copy”.
2. Check the copy quality.
3. If acceptable, do not perform an ACC procedure.
4. If unacceptable, set copy sample aside and perform the ACC procedure as follows.
5. Select User Tool No. 2 - Sensitivity Adjustment (Auto Color Calibration ACC: Copy Mode).
6. Print out the ACC Test Pattern from copier.
7. Place the ACC Test Pattern on the glass and press “Scan Start”. (Be sure to align the arrows
on the glass correctly.)
8. Copier gamma settings will be automatically adjusted.
9. Place the C4 Test Chart on the glass and press “Copy”.
IO, Compare the output to the original and also to the first copy sample (produced in step I).
11. Manually adjust the gamma settings to fine tune the copier if needed. Save settings in
Permanent Memory (Technical Manual, page 5-3).
NOTE: The values stored in Permanent Memory will not be affected by subsequent ACC
procedures.