Lph (Led Print Head) - Ricoh Aficio 480W Dolphin-C2 Service Manual

AROUND THE DRUM

3.4.2 LPH (LED PRINT HEAD)

"
[A]
[C]
• Remove the left and right copy trays (☛.3.4.1)
[A]: LPH connectors ",#,$,% on VDB (" x 4)
[B]: LPH (lift as shown)
[C]: Three ROMs
Important
• If you intend to replace the LPH, you must replace the ROMS on the VDB with
the three ROMs provided with the new LPH kit.
• Reading top to bottom on the board, the ROMs are marked LPH-L (left), LPH-C
(center), and LPH-R (right).
• To confirm that each new ROM is installed in the correct position, match the
numbers of the new ROMs with the numbers printed on the labels of the LPH
unit.
• Before replacing the right copy tray, read the LPH settings from the labels
attached to the LPH.
• After replacing the LPH, print an IPU Test Pattern to confirm that the joints of the
LPH are aligned correctly and then adjust if necessary. (☛3.10.2)
#
$
3-16
28 April 2005
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B188R555.WMF
[B]
B188R102.WMF