HP Q3726A HP LaserJet 9040mfp/9050mfp - User Guide - Page 157
I/O FAILURE, Embedded I/O
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Message Explanation or recommended action 20 INSUFFICIENT MEMORY To continue touch OK The MFP received more data than can fit in its available memory. You might have tried to transfer too many macros, soft fonts, or complex graphics. Touch OK to print the transferred data (some data might be lost), then simplify the print job or install additional memory (see MFP memory and expansion). 21 PAGE TOO COMPLEX To continue touch OK The page formatting process was not fast enough for the MFP. Touch OK to print the transferred data. (Some data might be lost.) If this message appears often, simplify the print job. 22 EIO x BUFFER OVERFLOW To continue touch OK Too much data was sent to the EIO card in the specified slot (x). An improper communications protocol might be in use. Touch OK to print the transferred data. (Some data might be lost.) Check the host configuration. If this message persists, contact an HP-authorized service or support provider. (See the HP support flyer, or go to www.hp.com/support/lj9040mfp or www.hp.com/support/lj9050mfp.) 22 Embedded I/O Buffer Overflow To continue touch OK Too much data was sent to the embedded HP Jetdirect. 22 PARALLEL I/O BUFFER OVERFLOW To continue touch OK Too much data was sent to the parallel port. Touch OK to clear the error message. (Data will be lost.) Check for a loose cable connection, and be sure to use a high-quality cable. Some non-HP parallel cables might be missing pin connections or might otherwise not conform to the IEEE-1284 specification. (See Parts and accessories, or go to www.hp.com/support/lj9040mfp or www.hp.com/support/ lj9050mfp). If this message persists, contact an HP-authorized service or support provider (see the HP support flyer, or go to www.hp.com/support/lj9040mfp or www.hp.com/support/lj9050mfp). 30.00.yy SCANNER FAILURE Make sure that the scanner is unlocked. Check the cables. Turn the MFP off, and then turn the MFP on. If this message persists, contact an HP-authorized service or support provider (see the HP support flyer, or go to www.hp.com/support/lj9040mfp or www.hp.com/support/lj9050mfp). 30.00.01 SCANNER I/O FAILURE CHECK CABLES THEN TRUN OFF THEN ON The MFP and the copy processor are not communicating. Check for a disconnected cable. Turn the MFP off, and then turn the MFP on. If this message persists, contact an HP-authorized service or support provider (see the HP support flyer, or go to www.hp.com/support/lj9040mfp or www.hp.com/support/lj9050mfp). ENWW Understanding MFP messages 153