Epson AcuLaser C8500, Service Manual

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EPSON AcuLaser C8500 Revision C
Chapter 4 Diagnostics 4-45
DEVE_DC_OUT 03 HVPS <WARNING> <CAUTION>
Check with the DB DC
CONT signal.
(Do DB output when you
execute this DIAG at the
same time with Digital
Output Test [54] and [0C].)
Output the DB DC CONT
signal with a value based
on data.
00-FFh (0-4.1[VDC])
LD_POWER 05 ROS ASSY <WARNING> <CAUTION>
Check with the VREF
signal.
(Laser rays can't output it.)
Output the VREF signal
with a value based on
data.
00-FFh (0-4.1[VDC])
DTCK_SAW_OU
T 06 HVPS <WARNING> <CAUTION>
Check with the DB DC
CONT signal.
(Do DB output when you
execute this DIAG at the
same time with Digital
Output Test [54] and [0D].)
Output the DB AC CONT
signal with a value based
on data.
00-FFh (0-4.1[VDC])
Table 4-14.
Analog Output Test Device Code
Analog Output Test [DIAGSTAR : [90 04 XX] , DIAGSTOP : 91 04 XX XX]
Code Functional Item
Name (Hex) Check Signal Check Method
Data Range
Deve Rotary
Motor 0A ROTARY MOTOR ASSY <WARNING> <CAUTION>
Check visually that the
ROTARY MOTOR ASSY is
rotating at the specified
angle.
(A ROTARY MOTOR ON
signal functions too, and
ROTARY MOTOR ASSY
turns it in the designated
angle.)
Output the ROTARY
MOTOR CLOCK signal
with a value based on
data.
00h : Home Position
01: From the incum bent
position, +15deg
02: From the incum bent
position, +30deg
03: From the incum bent
position, +45deg
04: From the incum bent
position, +60deg
05: From the incum bent
position, +90deg
06: From the incum bent
position, +180deg
07: From the incum bent
position, +270deg
08: From the incumbent
position, +300deg
Table 4-14.
Analog Output Test Device Code
Analog Output Test [DIAGSTAR : [90 04 XX] , DIAGSTOP : 91 04 XX XX]
Code Functional Item
Name (Hex) Check Signal Check Method
Data Range