Epson 8500 Printer User Manual


 
DFX-85OQ
P Protection circuits :
These +37VDC line blocks perform voltage control, and they have over-current limiting and over voltage
protection circuits for each.
0
Control and status signals :
The PSBIPSE board receives two control signal from the C204 MAIN board and outputs two status signals
to the MAIN board. Refer to Table 2-3 for the each signal and the printer status relationship.
q
Fatal error recovery :
When the printer detects the fatal error, the PSB/PSE board cannot recover for APPROX.10 minutes by the
DRERR signal of the C204 MAIN board, after the power is turned off. Therefore, you must wait more than 10
minutes turn the power on again.
(Current Limir4)
1): From the view of the PSB/F’SE board.
=2): VPlCPl and VP%GPZ
‘3): VP3-GP3 and +5V-GL
*4): Due to high duty printing
2-16
Rev. A