HP Color LaserJet 2550 Printer series - Manual (Page 108)

Secondary light patterns for Printer Status lights
This section describes the secondary light patterns that you can display when you
experience an Accessory error. Secondary light patterns provide more information about the
specific type of error that occurred. To understand the secondary light pattern, perform one
of these steps:
●
Press and hold ( G
O
) . When the secondary light pattern appears, use this section to
identify the associated error. When you release the buttons, the light pattern for the
original error appears again.
● View the HP Toolbox, which provides a text message that corresponds to the error and
its secondary light pattern.
Secondary light patterns for Accessory errors
This section describes the secondary light patterns that you can view when you experience
an Accessory error (Attention light, Ready light, and Go light are blinking).
To see the secondary light pattern, press and hold ( G
O
).
Secondary light patterns for Accessory errors
53.x1.zz Printer (DIMM Slot 1) error
The Go light is on. There is a problem with the DIMM in this DIMM slot.
CAUTION
You must turn off the printer before inserting or removing DIMMs to avoid
damaging them.
● Remove the DIMM and reinstall it to ensure that it is correctly installed.
● Ensure that you are using a supported DIMM. See Accessories and ordering
information .
● Move the DIMM to a different DIMM slot. If the DIMM works in a different
slot, then DIMM slot 1 is malfunctioning. See
HP customer care or the
support flyer that came in the printer box.
● To continue printing, remove the DIMM from DIMM slot 1.
98 Chapter 7 Problem solving ENWW