Lph Adjustment; Summary; Entering The Lph Factory Adjustments - Ricoh Aficio 480W Dolphin-C2 Service Manual

ADJUSTMENTS

3.10.2 LPH ADJUSTMENT

Summary

Remove the LPH, replace the three ROMs on the VDB, and then install the new
LPH. (See section 3.4.2.)
Before replacing the right copy tray, read the LPH settings from the labels attached
to the LPH.
SP2952 001 (ML) aaa
Write down the four numbers on the right side of each label (aaa, bbb, ccc, d).
These are the recommended factory settings for each SP.
After replacing the LPH (LED Print Head) and inputting the above settings, execute
a test print in the IPU Test Pattern mode to make sure that the LPH joints are
aligned correctly.

Entering the LPH Factory Adjustments

1. Press (.
2. Enter $%& and then hold down # for over 3 seconds to enter the SP
Mode.
3. On the touch panel, touch "Copy SP".
4. Enter 2952 001, enter the recommended setting for the first SP, and then press
'.
5. Enter the settings for 002, 011, 012. (Just press
Make sure that you press ' after you enter each setting
6. Touch "Exit", enter 2902 002, and then press '.
7. Select 02 for IPU Test Pattern 2, push '. The machine is now in the IPU Test
Pattern mode.
8. At the top of the screen touch "Copy Mode" to return to the main operation
screen.
SP2952 002 (MR) bbb
3-62
SP2952 011 (SL) ccc
to move to the next SP.)
28 April 2005
SP2952 012 (SR) d