2805
Init. Pro.Ctrl Developer Initialization
Performs the developer initialization. Press [#Enter] to start. This SP should be performed after
doing SP2801-1 at installation and after replacing the drum.
2902 Print T Pattern Print Test Pattern
Use this SP to select a print test pattern. After you select any pattern other than "0:None", this
puts the printer in the Print Test Pattern mode. In the Print Test Pattern mode, the test pattern can
be printed by doing SP5990 (Print Mode) which is normally used to print the SMC reports. For
a more detailed description about how to print a test pattern, see "Test Pattern Printing" in Section
"5. Service Tables".
2909
Prt M Scan Mag. Main Scan Magnification
Adjusts the magnification in the main scan direction for print mode. Press [#Enter] to toggle
between + and - values.
002 Printer [–2.0 ~ +2.0 / 0 / 0.1% step]
2911 T Current Timing Transfer Current On/Off Timing
001
La (On Timing) [–30 ~ +30 / 0 mm / 1 mm step]
Adjusts the transfer current on timing at leading edge.
002
Lb (Switch Timing) [0 ~ +30 / 10 mm / 1 mm step]
Adjusts the transfer current switch timing. This determines when the leading edge stops and the
image area current begins (see SP2-301).
003
Lc (Off Timing) [–30 ~ +30 / – 5 mm / 1 mm step]
Adjusts the transfer current off timing. (e.g. –5 mm is 5 mm after the trailing edge.)
2912 Drum Rev Rot In Drum Reverse Rotation Interval
Adjusts the time the drum and belt are reversed in order to prevent paper dust and toner from
collecting at the blade. DFU
[0 ~ 10 /3 / 1 step]
Example 1: If you enter 3, then:
3/2 = 2 (rounded up) x 10 + 10 = 30 ms
Example 2: If you enter 10, then:
Service Program Mode Tables
199
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