Ricoh G065 - Page 174

PRINTER ENGINE SERVICE MODE
G065 5-16 SM
SP2 Mode Number Function and [Setting]
2801* TD Sensor Initial Setting Performs the TD sensor initial setting. This SP
mode controls the voltage applied to the TD
sensor to make the TD sensor output about 4.0
V. Press #(Enter) to start. After execution the TD
sensor output voltage is displayed.
Use this mode only after installing the machine,
changing the TD sensor, or adding new
developer.
TD Sensor Manual Setting
Allows you to adjust the TD sensor output VT
manually for the initial, maximum, and minimum
settings.
01 Initial Vt Adjusts the TD sensor output (VT).
Change this value after replacing the
development unit with another one that already
contains toner.
For example, when using a development unit
from another machine for test purposes. To
adjust VT, use a similar procedure as for
SP2220.
[1.0 ~ 5.00 V / 4.78 V / 0.02 V step]
02 Vt Max Adjusts the maximum value for SP2802-01.
[1.0 ~ 5.00 V / 4.78 V / 0.02 V step]
2802*
03 Vt Min Adjusts the minimum value for SP2802-01.
[1.0 ~ 5.00 V / 1.0 V / 0.02 V step]
2805 01 Initialize Process Control
Setting
Initializes all the process control settings.
2902 03 Test Pattern (Printing)
Prints the printer test patterns. Select the
number of the test pattern that you want to print.
(☛ 5.3.2)
[0~38 / 0 / 1 step]
This SP mode is useful for finding whether the
LDB (Laser Diode Board) or the BICU is
defective. If the printout is not satisfactory, the
LDB is defective.
2909 02
Print Main Scan
Magnification – Printer
Adjusts the magnification in the main scan
direction when printing from a personal
computer.
[–2.0 ~ +2.0 / 0 / 1% step]
Transfer Current Timing Adjusts the transfer current timing for the three
items below.
01 La (On Timing) On timing at leading edge.
[–30 ~ +30 / 0 mm / 1 mm step]
02 Lb (Off Timing) Transfer current switch timing. This determines
when the leading edge stops and the image area
current begins (☛ SP2301).
[0 ~ +30 / 10 mm / 1 mm step]
2911
03 Lc (Off Timing) Transfer current timing (e.g. –5 mm) is 5 mm
after the trailing edge.
[–30 ~ +30 / – 5 mm / 1 mm step]
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