Xerox 4400DT - Phaser B/W Laser Printer Service Manual page 97

Start page Soft Fault Messages
The soft faults that are set by POST diagnostics will print a message on the Start Page
in a gray box. The box is large enough to contain all the soft faults encountered, with
the upper left corner of the box in the center of the Start Page, and extending to the
right margin, similar to the one shown here.
The following messages are substituted for <device>:
Real Time Clock: (for
I
Ram Memory Slot 1 Checksum (for
I
Ram Memory Slot 2 Checksum (for
I
Ram Memory Slot 1 Rejected (for
I
Ram Memory Slot 2 Rejected (for
I
IDE Disk: (for
I
Parallel Port: (for
I
15: RAM DIMM (RAM Error)
RAM DIMM Troubleshooting Procedure
Step Actions and Questions
1 1. Switch the printer power OFF.
2. Remove the Left Interface Cover (RRP 1.1 on
page 6-6).
3. Remove and re-install the RAM DIMM(s).
4. Switch the printer power-on.
Does the error code reappear?
Does the RAM DIMM meet the specifications
2
listed on
3 Does the RAM function correctly?
2-60
POST_DEV_RTC
POST_DEV_IDEOPT
POST_DEV_CENT
page 1-3?
Hardware Failure:
<device>:
General Failure
)
POST_DEV_DIMM
POST_DEV_DIMM
POST_DEV_DIMM
POST_DEV_DIMM
)
)
Phaser 4400 Laser Printer Service Manual
)
)
)
)
Yes No
Go to step 2. Problem
solved.
Go to step 3. Install a new
RAM DIMM
(PL 10.1
Electrical
page 7-24).
Problem Install a new
solved. RAM DIMM
(PL 10.1
Electrical
page 7-24).
on
on