Ricoh G147 Service Manual page 204

SP2-109-4 to adjust the laser beam pitch.
400dpi Init Set
003
Initializes the laser beam pitch for 400 dpi using the value for SP2-109-1.
After entering a value for SP2-109-1, this SP must be used.
600dpi Init Set
004
Initializes the laser beam pitch for 600 dpi using the value for SP2-109-2.
After entering a value for SP2-109-2, this SP must be used.
Auto Int Set
[50 ~ 65535 / 1000 / 1 step]
005
Sets the interval for automatic laser beam pitch adjustment.
When the number of times that the resolution has been changed reaches this
value, the laser unit position is automatically corrected.
LD Unit Position
006 Displays the current LD unit position (number of pulses from home position). If
this is different from the value of 2-109-1 or 2-109-2, LD unit positioning has
failed.
Pitch Change Cnt
007 Displays how many times the LD unit position has been changed (how many
times the resolution has changed.)
When the laser beam pitch adjustment is done, this counter is reset to zero.
Pitch Data Reset
008 Resets the values of SP2-109-6 and SP2-109-7.
After replacing the LD unit, this SP mode must be performed. See the LD Unit
Removal Procedure.
2110 Test Mode dpi DFU
[See below / 8/ 0 ~ 18]
Sets the resolution (dpi).
G147
400 dpi Initial Setting
600 dpi Initial Setting
Auto Pitch Adjustment Interval
Current LD Unit Position
Beam Pitch Change Counter
Beam Pitch Data Reset
5-14 SM