Ricoh A-P4, Руководство по обслуживанию

Страница: 193 / 381

007 Back Side Left
Adjusts the left side erase margin in the reverse side of duplex
prints.
[0 ~ 4.0 / 0.3 / 0.1 mm step]
Recommended: 2 +2.5/–1.5 mm
2103
LD Power Adj DFU LD Power Adjustment
Adjusts the intensity of the laser for the printer. These adjustments can be done to compensate
for reduced OPC drum sensitivity as it reaches the end of its service life.
001 LD1 Prt Ctrl
(–30 ~ +64 / –20 /1 LSB step)
Approx. 50/128 = 0.4%
002 LD2 Prt Ctrl
003 LD1 Printer
(–30 ~ +79 / –5 /1 LSB step)
Approx. 50/128 = 0.4%
004 LD2 Printer
005 LD1AdjStart/End
This SP enables the adjustments done for SP2103 001, 003.
[0~1/0/1]
006 LD2AdjStart/End
This SP enables the adjustments done for SP2103 002, 004.
[0~1/0/1]
2109
LD Pitch Adj LD Beam Pitch Adjustment
Adjusts the beam gap for the dual beam system. After replacing the LD unit or replacing or
clearing the NVRAM, use this SP mode to adjust the laser beam pitch.
This adjustment is performed by specifying the number of pulses to the stepper motor that will
adjust the angle of rotation of the LD unit from the home position.
001
400 dpi [400 dpi: [8~ 262 / 144 / 4 pulse step]
Adjusts the laser beam pitch value for 400 dpi resolution.
After replacing the LD unit or replacing or clearing NVRAM, use this SP and SP2-109-3 to adjust
the laser beam pitch.
002
600 dpi [600 dpi: [30 ~ 284 / 168/ 4 pulse step]
Adjusts the laser beam pitch value for 600 dpi resolution.
After replacing the LD unit or replacing or clearing NVRAM, use this SP and SP2-109-4 to adjust
the laser beam pitch.
5. Service Tables
192
5