m607 background

[Phil B.]

thank you so much for the replies. not micr, internal print has background also. i was able to get IT to place a loaner, so i ordered the power supply and dc cont. i believe this happened when they plugged it into a ups. the display screen was blank and the background happened at the same time. plugging it into the wall seemed to fix the display, but not the background.
the hospital will only use aftermarket toners, and it was ok up until this happened. i will update as soon as i install parts.
again, thank you so much for the professional replies.

never put a battery back up on a laser or copier.. it will beep every time the fuser fires up and will destroy the batteries after a while

compatible/after markets rarely do the job ... fail before EOL

[johnnyquest]

agreed. just got the printer on my bench, now working perfectly. no parts, just better power. is this normal for HP?

[Phil B.]

agreed. just got the printer on my bench, now working perfectly. no parts, just better power. is this normal for HP?

not just HP.. most brands suggest NO UPS or surge...

this is the only surge that MOST companies agree with.. and the provide a warranty

SURGEX Power Protection and Conditioning

have them get a certified electrician in to check power

[buf7579]

i have a newer 607 with grey background. have tried 4 different toner cart, two from working machines. fuser is new, cart is aftermarket.
anyone seen this? it also had a blank screen when i arrived, but found it plugged into a ups. plugged into wall, started working, but still has background
Thanks!
JQ

I had an instance a year or so ago, in which a client suite had (4) M607 printers, and all were producing defects similar to what you describe. Conferred with my fellow technicians and managers and nobody could come up with much of anything.

With nothing to lose, I did a firmware upgrade on one printer, and that eliminated the background defects. Upgraded firmware on the other 3 printers thereafter, and that resolved the issue on all 4 printers.

Firmware for the M607 series can be downloaded here:

HP LaserJet Enterprise M607 series Software and Driver Downloads | HP(R) Customer Support

[johnnyquest]

I Really appreciate the replies. so far ive had 3 607s with the same symptoms. the last one i replaced the lvps, which seemed to fix all of them. i did try firmware, but perhaps that should be done proactively. THANKS!

[dsmith46]

I have heard that the latest Firmware from HP addresses this exact issue. So, if you have some of these printers doing this, upgrade the FW to latest, and switch out the toner cartridge for a new one. It's sometimes odd the things FW will fix, especially on an HP.