Color Registration Adjustment Test - Oki C810 Maintenance Manual

Oki Data CONFIDENTIAL

5.3.2.6 Color registration adjustment test

This self-diagnosis is utilized to adjust color registration of the printer and to locate the
cause of color misregistration.
If any error occurs during a color registration test, restore the normal operation of the printer
by following "Outline of color drift correction" of Chapter 2.
1. Activate the self-diagnostic (Level 1) mode, and press and hold down the [MENU
] key or [MENU
REG ADJUST TEST
2. Pressing the [ENTER] key causes the following message to appear. Press
and hold down the MENU
displayed.
REG ADJUST TEST
REG ADJ EXECUTE
3. Pressing the [ENTER] key executes the test of the item currently displayed on
the panel.
<<REG ADJ RESULT is executed>>
(1) Color registration adjustment test is conducted. ([READY] light blinking)
(2) When the test ends, the test result (OK or error name) appears in the
upper line of the display section, and **** RESULT, in the lower line.
OK
REG ADJ RESULT
Pressing the [MENU
the display.
Pressing the [MENU
in the display.
Pressing the [BACK] key restores the status of Item 2.
44072903TH Rev.1
] key, until the following message appears.
or MENU key, until the intended item is
] key increments the test result sequentially in
] key decrements the test result sequentially
(3) Pressing the [CANCEL] key while the test is under way aborts the test
([READY] light comes on) and restores the status of Item 2.
<<REG ADJ RESULT is executed>>
The same as the key operation in the execution of REG ADJ EXECUTE (2).
<< BLT REFLECT TEST is executed>>
(1) A color drift belt reflection test is conducted. ([READY] light blinking)
(2) When the test ends, the test result (OK or error name) appears in the
upper line of the display section, and **** RESULT, in the lower line.
OK
BLT REFLECT RSLT
] key increments the test result sequentially in
Pressing the [MENU
the display.
Pressing the [MENU ] key decrements the test result sequentially
in the display.
Pressing the [BACK] key restores the status of Item 3.
(3) Pressing the [CANCEL] key while the test is under way aborts the test
([READY] light comes on) and restores the status of Item 3.
<<BLT REFLECT RSLT is executed>>
The same as the key operation of Item . in the execution of BLT REFLECT
TEST.
4. Repeat Items 2 and 3, as needed.
5. Press the [BACK] key to terminate the test. (Status of Item 1 restored)
Color registration adjustment test items
Display
REG ADJ EXECUTE Execution of Color registration adjustment
REG ADJ RESULT Viewing of the Color registration adjustment result
BLT REFLECT TEST Execution of the judgment of good or bad Color
registration adjustment belt reflectivity
BLT REFLECT RSLT Viewing of the result of judgment of good or bad
Color registration adjustment belt reflectivity
5. MENTENANCE MENUS
Function
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