hpcups assertion failure in 3.15.7

/usr/lib/cups/filter/hpcups assertion failure
hplip and hplip-plugin 3.15.7 on Fedora, x86-64
NOTE: downgrading to hplip 3.15.4 works

"hpcups" command line: HP_LaserJet_Pro_MFP_M127fn 127 user 'SEEDNET\xe7\x94\xa8\xe6\x88\xb6\xe7\xae\xa1\xe7\x90\x86\xe7\xb3\xbb\xe7\xb5\xb1' 1 'PageSize=A4 Collate ColorModel=Gray Duplex=None job-uuid=urn:uuid:7643ad33-e921-37f6-66ae-bfede5a2bdc9 nofitplot job-originating-host-name=localhost time-at-creation=1438347273 time-at-processing=1438347273'

Program terminated with signal SIGABRT, Aborted.
#0 0x0000003bda6349c8 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
55 return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
(gdb) bt
#0 0x0000003bda6349c8 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#1 0x0000003bda63665a in __GI_abort () at abort.c:89
#2 0x0000003bda62d187 in __assert_fail_base (fmt=<optimized out>,
    assertion=assertion@entry=0x7fad7827e768 "currSourceWidth+(2*leftMargin)<=currMediaWidth",
    file=file@entry=0x7fad7827e08f "genPCLm.cpp", line=line@entry=194,
    function=function@entry=0x7fad7827f860 "ubyte* shiftStripByLeftMargin(ubyte*, sint32, sint32, sint32, sint32, sint32, colorSpaceDisposition)") at assert.c:92
#3 0x0000003bda62d232 in __GI___assert_fail (assertion=0x7fad7827e768 "currSourceWidth+(2*leftMargin)<=currMediaWidth",
    file=0x7fad7827e08f "genPCLm.cpp", line=194,
    function=0x7fad7827f860 "ubyte* shiftStripByLeftMargin(ubyte*, sint32, sint32, sint32, sint32, sint32, colorSpaceDisposition)")
    at assert.c:101
#4 0x00007fad78277da7 in shiftStripByLeftMargin(unsigned char*, int, int, int, int, int, colorSpaceDisposition) ()
   from /usr/share/hplip/prnt/plugins/hbpl1.so
#5 0x00007fad7827d13f in PCLmGenerator::Encapsulate(void*, int, int, void**, int*) () from /usr/share/hplip/prnt/plugins/hbpl1.so
#6 0x00007fad7827786b in Hbpl1Wrapper::Encapsulate(void*, int, int, void**, int*) () from /usr/share/hplip/prnt/plugins/hbpl1.so
#7 0x000000000041dd24 in Hbpl1::Encapsulate (this=0xec3680, InputRaster=0xeb6a10, bLastPlane=<optimized out>)
    at prnt/hpcups/Hbpl1.cpp:230
#8 0x00000000004142c3 in RasterSender::Process (this=0xeb69f0, InputRaster=<optimized out>) at prnt/hpcups/RasterSender.cpp:48
#9 0x00000000004140f5 in Process (raster=<optimized out>, this=0xeb77c0) at prnt/hpcups/Pipeline.cpp:72
#10 Pipeline::Execute (this=0xeb77c0, InputRaster=<optimized out>) at prnt/hpcups/Pipeline.cpp:79
#11 0x0000000000413d3a in Job::SendRasters (this=this@entry=0x65d488 <filter+8>, BlackImageData=<optimized out>,
    BlackImageData@entry=0x0, ColorImageData=<optimized out>, ColorImageData@entry=0x0) at prnt/hpcups/Job.cpp:213
#12 0x0000000000404854 in HPCupsFilter::processRasterData (this=this@entry=0x65d480 <filter>, cups_raster=cups_raster@entry=0xeb6010)
    at prnt/hpcups/HPCupsFilter.cpp:755
#13 0x0000000000404eea in HPCupsFilter::StartPrintJob (this=0x65d480 <filter>, argc=6, argv=<optimized out>)
    at prnt/hpcups/HPCupsFilter.cpp:573
#14 0x0000003bda620700 in __libc_start_main (main=0x4023b0 <main(int, char**)>, argc=6, argv=0x7ffe21a57798, init=<optimized out>,
    fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe21a57788) at libc-start.c:289
#15 0x0000000000402479 in _start ()