Xerox Phaser 840 Service Manual page 71

Table 2-4 Front Panel & Fault History Log Error Codes and Messages
Error code
9,008.43 and
9,101:43
IL_FAULT_K_JAM
09,009.44
IL_FAULT_INK_UNPLUG
11,000: Digita Motion Control (DMC) ASIC LIBRARY PROGRAM FAULT CODES
11,001.60
DMC_PROG_FAULT(1)
11,007.66
DMC_PROG_FAULT(7)
11,008.67
DMC_PROG_FAULT(8)
11,011.61
11,020.61
11,022.63
DMC_PROG_FAULT(22)
11,025.66
DMC_PROG_FAULT(25)
11,029.61
DMC_PROG_FAULT(29)
Definition
The black ink-melt heater is on, but ink does not seem to be
dripping. Check that the ink stick is able to advance in the chute.
An ink stick jam will be reported three times before an ink-melter
fault is declared. Replace the ink loader. If the problem persists,
replace the power supply. ***see SF157***
Ink well sense cable on the printhead appears to be unplugged.
Timer Event Missed. A health check routine is called every 400
milliseconds, the A/D update period, and checks that all the
currently pending timer events are for some time in the future. It
generates this error if it detects a timer event for some time in the
past. A missed DMC interrupt, due to interrupts disabled too long
by any region, is the probable cause.
Event parameter Block not Prepped. The parameter block
associated with a DMC event notification was not prepped with a
call to dmc_prep_event_parm_block() before the call to
dmc_request_event_notification().
Bad Message ID in Event Request. The parameter block for a
DMC event notification request contains an inconsistent state
field in the ITC status message.
DMC event parameter block not found. The DMC library was
attempting to locate an event parameter block in its linked list.
The block was not found.
DMC event parameter block not found. The DMC library was
attempting to locate a timer parameter block in its linked list. The
block was not found.
Invalid Get Device State Argument. The ITC message base
passed into dmc_get_device_stat() was not a valid DMC type,
DMC_STATUS_MSG_BASE or DMCB_STATUS_MSG_BASE.
Motion Segment Too Late. The DMC ASIC interrupt to program
the event control hardware for the next segment in a motion
control profile occurred too late. A motion profile consists of a list
of absolute times and motor register values. After the hardware
writes a DSP value, the software must program the event control
store hardware for the next segment in the profile. This error
occurs when any region, PostScript, Network or engine disables
interrrupts for a long period of time, preventing the DMC interrupt
service routine from running. This may be due to an unintentional
coding error or because a task took a CPU exception which is
processed with interrupts disabled, taking a long time to execute.
Motion Segment Too Short. Software attempted to program a
motion profile with a motion segment shorter than 750
microseconds. If this specifcation is violated the DMC interrupt
service routine may not have time to reload the control store
hardware event, when the system is busy.
Error Codes and Messages 2 - 55