Accessing Special Operating Modes; System Controller Board Leds; Entering Special Operating Modes - Xerox 1235DT - Phaser Color Solid Ink Printer Service Manual

Accessing special operating modes

The printer can be placed in diagnostics or other operation modes by simultaneously
holding the Menu Up (1) and the Enter (4) keys as you turn on the printer.

Entering special operating modes

Key Combination
On Line (0) and
Enter (4)
Menu Up (1) and
Menu Down (5)
Menu Up (1) and
Enter (4)
Enter (4) and
Value Down (7)

System controller board LEDs

A power LED (PWR), when illuminated, indicates +5V is being supplied to the system
controller board.
The LED HDD, illuminates to flashes to indicate hard drive read/write activity.
LED GIO2 flashes to indicate proper CPU operation.
LED GIO3; off indicates 10baseT connection, on indicates 100baseT.
The LED LNK is off when the printer is not installed on an Ethernet network, blinks
while data is transmitted to the host.
When the optional Token Ring Card is installed, the LED LNK indicates the operation
of the Token Ring Card (Ethernet port operations are disabled). The LED Connection
is off when the printer is not inserted into the Token Ring, blinks while the printer is
attempting to insert itself into the Token Ring, on when the printer is properly inserted
in the ring.
The LED SPD, located next to the LNK LED, is off when the card is set for 4 megabits-
per-second (MBPS), on when the card is set for 16 MBPS.
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Phaser 1235 Network Color Printer
Mode
This enables the Reset Menu to become available at the control panel.
The Reset Menu is not normally available to the customer, as it contains
the ability to format devices and perform a factory reset of all items.
The control panel displays Ready when completed.
To exit, switch the printer power off, then on.
This forces the Software Update Mode on the parallel port.
The Control Panel will display Entering... on the first line and Download
Mode on the second line. This indicates that the printer is ready to be
have its firmware flash updated.
To exit, switch the printer power off, then on.
Forces the printer into the Engine Diagnostics Mode, bypassing the
controller.
The control panel displays Diag Mode 1? in the first line. This indicates
that the printer is ready to enter diagnostics.
To exit, switch the printer power off, then on.
This reinitiates the NVRAM to factory defaults for all values except copy
counts.
The control panel displays Ready when complete.