Color Balance Adjustment - Ricoh A109 Service Manual

1. COLOR BALANCE ADJUSTMENT

NOTE: a) Check the color balance at every call, or after replacing the OPC
drum, or the developer.
b) Always adjust the color balance using only the "OFF SET" keys.
Do not change the factory settings in the "STEP" keys.
c) Entering a larger setting for "OFF SET" will make the copy image
darker.
d) The "OFF SET" setting for each ID level must be within the
range defined below. (Entering a greater number is the same as
entering the maximum number in the range.)
e) For more detailed information concerning the access of SP
modes, refer to section 4 (Service Program Mode Operation).
1. Select the 11" x 17" paper tray and
make a full color copy using the C-4
test chart in letter mode [A].
2. Enter the SP mode and open SP
Special Feature P-3, No. 405
(γ Correction Data Rough Adj.
"Letter") [B].
FSM
OFF SET SETTING
0 ∼ 20
H L
0 ∼ 30
M
0 ∼ 10
ID MAX
[A]
[B]
[G]
[E]
[F]
[D]
5-1
[I]
[H]
[C]
A109