Lph Adjustment With Sp Codes; Doing Sp Adjustment Settings For A Replacement Lph - Ricoh B286 Service Manual

CIS Main/Sub Scan Offset Adjustment [0 to 2047/638/1]
SP4972
Problem
Main Scan Offset:
1
Interval 1-2
Main Scan Offset:
2
Interval 2-3
Main Scan
3
Offset :Interval 3-4
Main Scan Offset:
4
Interval 4-5
Sub Scan Offset:
11
Interval 1-2
Sub Scan Offset:
12
Interval 2-3
Sub Scan Offset:
13
Interval 3-4
Sub Scan Offset:
14
Interval 4-5
! After completing the CIS adjustments, be sure to reset SP4973-3 to "0."

3.11.3 LPH ADJUSTMENT WITH SP CODES

Doing SP Adjustment Settings for a Replacement LPH

1. Remove the replacement LPH from its box.
2. Read the label attached to the replacement LPH and note of the settings for SP2952
and SP2943.
! This label is attached to the replacement LPH only.
3. Remove the old LPH and install the new LPH unit. (See section 3.3.3 "LPH (LED Print
Head)")
SM
Joint
CIS 1-2 CIS 1 moves. CIS 2 does not move.
CIS 2-3 CIS 3 moves. CIS 2 does not move.
CIS 3-4 CIS 4 moves. CIS 3 does not move.
CIS 4-5 CIS 5 moves. CIS 4 does not move.
CIS 1-2 CIS 1 moves. CIS 2 does not move.
CIS 2-3 CIS 3 moves. CIS 2 does not move.
CIS 3-4 CIS 4 moves. CIS 3 does not move.
CIS 4-5 CIS 5 moves. CIS 4 does not move.
3-81
SP Adjustments
Effect
B286/B289