Ricoh B051 Service Manual page 1046

Tech Service Bulletin No. B051/B052 – 030 REISSUE
4. Install the Cam Stopper [A] on the Cam [B] so that the Stopper does not stick out from the Cam. See
illustration below.
NOTE: The straight-lines of the Cam Stopper and Cam are aligned with each other. The Cam Stopper will
snap into position.
5. Install the modified PCU.
Sub-scan Color Registration Adjustment (SP2-950)
Perform the following only when installing the modified PCU in machines produced up to and including July
2003. The adjustment is performed at the factory as of August 2003.
1. Enter SP5-955-1 select test pattern 5 (1 dot Grid Pattern 0-1). Print two pages of DLT (11x17) or
four pages of LT (8.5x11) in full color mode.
2. Increase the setting of the following SP by 1: SP2-950-5 (B052: 32 cpm) or SP2-950-13 (B051: 24
cpm).
3. Print out the same test pattern as in step 1.
4. Subtract 1 from the initial setting of SP2-950-5 (B052: 32 cpm) or SP2-950-13 (B051: 24 cpm).
5. Print out the same test pattern as in step 1.
6. DLT printing:
Compare the grid pattern in the center of the first and second sheets of each setting (initial, +1, -1).
Then select the printout with the most closely aligned grid pattern. Then set SP2-950-5 (B052: 32
cpm) or SP2-950-13 (B051: 24 cpm) to the value that produced that print.
LT printing:
Compare the grid pattern near the trailing edge of the first and third sheets of each setting (initial, +1,
-1). Then select the printout with the most closely aligned grid pattern. Then set SP2-950-5 (B052:
32 cpm) or SP2-950-13 (B051: 24 cpm) to the value that produced that print.
1 Dot Grid Pattern
CÓPIA NÃO CONTROLADA
[B]
CÓPIA NÃO CONTROLADA
[A]
NG: The stopper is sticking out from the cam.
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