Submission Portal Troubleshooting

How to Fix Editorial Manager & ScholarOne PDF Conversion Errors in Word (2026)

14 min read•Updated October 2026•Portal Standard
Table of Contents (11 sections)

Few academic hurdles are more frustrating than preparing a manuscript for months, uploading your Microsoft Word document (.docx) to Editorial Manager or ScholarOne Manuscripts, and encountering a catastrophic automated build failure: "PDF generation failed", "Conversion timeout exceeded", or an unreadable PDF proof with garbled equations and missing figures.

Portal Verification Standard: Verified against Aries Systems Editorial Manager v24 & Clarivate ScholarOne Manuscripts 2026 Standards by the ScholarSpec Editorial & Engineering Group.

Executive Troubleshooting Summary: Portal PDF Conversion Diagnostics

When an academic submission portal converts your Word manuscript into an integrated PDF proof for peer review, it executes a headless server-side conversion daemon on a remote Linux server. Understanding these 5 core failure modes prevents immediate system rejection:

Failure VectorOpenXML Root CausePortal SymptomDeterministic Fix
Floating Drawings<wp:anchor> relative positioningConversion timeout; dropped figures; misaligned textSet Wrap Text to In Line with Text (<wp:inline>)
Unembedded FontsMissing w:embedTrueTypeFontsGreek letters turn into boxes ("tofu"); equation corruptionEnable Embed fonts in the file in Word Save Options
Table OverflowsNegative w:tblInd or w:tblCellMarRight columns clipped off page edge; build errorSet Table Alignment: Center, Indent: 0 cm, Preferred Width: 100%
Dynamic Field CodesActive ADDIN EN.CITE / MathType OLEInfinite loop waiting for COM server; server crashUnlink citation fields (Ctrl + Shift + F9) on upload copy
Network TemplatesUNC path to private Normal.dotmServer hangs attempting to access author LAN pathUncheck Automatically update document styles in Developer

Pre-Submission Warning: Never upload your only master working file when applying destructive unlinking or anonymization commands. Always create an isolated submission working draft (e.g., Manuscript_Submission_Clean.docx) before stripping field codes, flattening equations, or purging tracked changes.

1. Floating vs Inline Drawing Anchors: The Primary Distiller Crash

Across major publisher portals powered by Aries Systems Editorial Manager (Elsevier, Springer Nature, Wolters Kluwer) and Clarivate ScholarOne Manuscripts (Wiley, Taylor & Francis, IEEE), over 60% of automated PDF conversion timeouts stem from floating graphic objects.

In Microsoft Word, an image or shape can be inserted in one of two fundamental OpenXML container models:

  • Inline with Text (<wp:inline>): The image is treated as a single, discrete glyph within a standard paragraph run (<w:r>). It flows deterministically with line breaks and margins. A headless Linux PDF converter processes inline images with zero spatial ambiguity.
  • Floating Objects (<wp:anchor>): The graphic is decoupled from line flow. Word assigns relative offset coordinates (<wp:simplePos> or <wp:positionH> and <wp:positionV>) relative to the margin, page edge, or paragraph anchor. Text wrapping options like Square, Tight, Through, Top and Bottom, Behind Text, and In Front of Text all generate floating anchor structures.

When the portal's automated distiller engine recompiles a document containing multiple floating anchors—particularly when figures are accompanied by separate floating text boxes for figure captions—the mathematical layout solver attempts to resolve multi-body collision geometries. If an anchor falls near a page break, section break, or multi-column boundary, the server layout engine can enter an infinite coordinate oscillation loop. After 180 to 300 seconds, the portal watchdog script terminates the job and returns a generic failure notification: "PDF Generation Failed. Please contact the journal office."

Figure 1: In Microsoft Word, select the target figure, navigate to the Picture Format tab, open the Wrap Text dropdown, and verify that In Line with Text is selected. This eliminates floating wp:anchor containers that trigger portal conversion crashes.
1Select Picture Format tab
2Click Wrap Text dropdown
3Select In Line with Text (gold highlight)
Figure 1: Microsoft Word Picture Format ribbon showing Wrap Text dropdown menu with In Line with Text highlighted in Academic Gold
Microsoft Word Picture Format ribbon showing Wrap Text dropdown menu with In Line with Text highlighted in Academic Gold

Figure 1: In Microsoft Word, select the target figure, navigate to the Picture Format tab, open the Wrap Text dropdown, and verify that In Line with Text is selected. This eliminates floating wp:anchor containers that trigger portal conversion crashes.

1Select Picture Format tab
2Click Wrap Text dropdown
3Select In Line with Text (gold highlight)

Step-by-Step Figure Sanitization in Word

  1. Click on each embedded figure, graph, or diagram in your manuscript.
  2. Observe the contextual tab on the Word ribbon: click Picture Format (or Shape Format for drawn figures).
  3. In the Arrange group, click the Wrap Text dropdown button.
  4. Click In Line with Text. The dashed selection border will shift from floating anchor nodes to a discrete inline box.
  5. Ensure the figure caption is placed in a separate, standard paragraph immediately below the image, never inside a floating text box.

For high-resolution image preservation best practices, consult our companion manual on preventing Word from downsampling images below 300 DPI.

2. TrueType Font Embedding & Glyph Integrity (The "Tofu" Trap)

When a PDF proof builds successfully but displays blank boxes ("tofu" rectangles like □), corrupted greek characters (e.g., α, β, μ becoming Roman letters or question marks), or mangled statistical symbols (±, ≤, ≥, ≈), the failure is caused by missing font definitions on the portal server.

While your local desktop operating system (macOS or Windows 11) has hundreds of academic typefaces and math font packages pre-installed, journal submission clusters run stripped-down Linux enterprise operating systems (CentOS, Debian, or Alpine Linux). These servers maintain only basic open-source base fonts (such as Liberation Sans, DejaVu, or GNU FreeFont).

Figure 2: Navigate to Word Preferences (macOS) or File > Options (Windows), select Save, and enable 'Embed fonts in the file'. This bundles TrueType font glyph subsets directly into the .docx package for server-side Linux rendering.
1Navigate to Font Embedding section
2Check 'Embed fonts in the file'
Figure 2: Microsoft Word Preferences Save dialog showing Font Embedding settings with Embed fonts in the file checked and highlighted in Academic Gold
Microsoft Word Preferences Save dialog showing Font Embedding settings with Embed fonts in the file checked and highlighted in Academic Gold

Figure 2: Navigate to Word Preferences (macOS) or File > Options (Windows), select Save, and enable 'Embed fonts in the file'. This bundles TrueType font glyph subsets directly into the .docx package for server-side Linux rendering.

1Navigate to Font Embedding section
2Check 'Embed fonts in the file'

Configuring Word Font Embedding Across Platforms

  • Windows (Word 365, Word 2021, Word 2019):
    Navigate to File > Options > Save. Scroll to the bottom section labeled Preserve fidelity when sharing this document. Select your active manuscript file from the dropdown. Check Embed fonts in the file. Check Embed only the characters used in the document (best for reducing file size), and uncheck Do not embed common system fonts.
  • macOS (Word for Mac v16.x+):
    Navigate to Word > Preferences > Save (or ⌘ + ,). Under Font Embedding, verify your document is selected in the dropdown and check Embed fonts in the file.

In the underlying OpenXML architecture (word/settings.xml), this action injects the formal ECMA-376 schema tag:

<w:settings xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main">
  <w:embedTrueTypeFonts/>
  <w:saveSubsetFonts/>
</w:settings>

This ensures that even proprietary math glyphs and Greek characters are physically packed into word/fonts/ within the zip archive, guaranteeing identical rendering on the journal's Linux distiller.

3. Table Geometry, Negative Indents & Cell Margin Overflows

Tables are another common catalyst for portal PDF conversion crashes. Authors frequently copy statistical tables directly from RStudio, SPSS, GraphPad Prism, or Microsoft Excel. When pasted into Word, these tables carry complex hidden formatting properties:

  • Negative Left Indents (<w:tblInd w:w="-280" w:type="dxa"/>): Word allows tables to have negative margins that push columns into the left page margin gutter. While Word's desktop layout engine displays this without issue, headless PDF distillers often interpret negative coordinates as a buffer boundary violation, resulting in a fatal page rendering exception.
  • Total Width Exceeding Printable Body Boundaries: On a standard Letter page (8.5 × 11 in) with 1.0-inch margins, the printable width is exactly 6.5 inches (16.51 cm / 9,360 dxa). On an ISO A4 page (21.0 × 29.7 cm) with 2.5 cm margins, printable width is 16.0 cm (9,071 dxa). If a table has fixed column widths totaling 7.2 inches, the portal distiller will either hard-clip the rightmost columns or fail during PDF/A validation.
  • Row Split Across Page Break Collisions (<w:cantSplit/>): Tables containing 50+ rows where individual rows contain large paragraphs can lock the pagination engine if <w:cantSplit/> is applied indiscriminately across rows that are taller than the remaining printable page height.
Figure 3: In the Table Properties dialog, set Table Alignment to Centre (or Left with Indent from left set strictly to 0 cm) and verify Text Wrapping is set to None. This prevents negative margin clipping during server-side PDF proof generation.
1Select Centre Alignment
2Set Indent from left to 0 cm
3Verify Text Wrapping is None
Figure 3: Microsoft Word Table Properties dialog showing Table alignment set to Centre, Indent from left set to 0 cm, and Text Wrapping set to None in Dark Theme
Microsoft Word Table Properties dialog showing Table alignment set to Centre, Indent from left set to 0 cm, and Text Wrapping set to None in Dark Theme

Figure 3: In the Table Properties dialog, set Table Alignment to Centre (or Left with Indent from left set strictly to 0 cm) and verify Text Wrapping is set to None. This prevents negative margin clipping during server-side PDF proof generation.

1Select Centre Alignment
2Set Indent from left to 0 cm
3Verify Text Wrapping is None

Configuring Resilient Table Properties

  1. Click anywhere inside the problematic table and click the table selector handle (four-way arrow icon at top-left).
  2. Right-click and select Table Properties... (or access Table > Table Properties).
  3. On the Table tab:
    • Set Alignment to Centre (or Left with Indent from left strictly set to 0 cm / 0 in).
    • Under Text wrapping, click None (never select Around, which creates another floating anchor).
  4. On the Row tab, check Repeat as header row at the top of each page (<w:tblHeader/>) to satisfy academic journal standards, and ensure Allow row to break across pages is checked for body content rows.
  5. Verify all tables adhere to the standard academic 3-line format. For complete border rules, review our tutorial on formatting 3-line academic tables in Word.

4. Dynamic Field Codes & Legacy OLE Objects (EndNote & MathType)

Dynamic reference managers (such as EndNote, Zotero, Mendeley, and Papers) insert citations using dynamic Word field codes:

{ ADDIN EN.CITE <EndNote><Cite><Author>Vance</Author><Year>2026</Year><RecID>148</RecID></Cite></EndNote> }

Under normal local operation, the EndNote or Zotero desktop add-in intercepts these fields and renders formatted text (e.g., [1] or (Vance, 2026)). However, when the raw .docx file is ingested by Editorial Manager or ScholarOne, the server does not have your EndNote software license or database.

If the server converter initiates a standard UpdateFields operation upon opening the file, it queries the COM automation interface for the unregistered ADDIN EN.CITE provider. Depending on the server configuration, this either corrupts the citation text into raw XML strings or causes the background Word instance to hang indefinitely waiting for an authorization handshake.

The OLE MathType Trap: Similarly, equations created with legacy MathType 6.x or third-party equation tools are stored in Word as Object Linking and Embedding (OLE) binary streams (<w:object> wrapping oleObject1.bin). Linux servers cannot execute Windows 32-bit OLE server binaries. They must rely on an embedded preview image (WMF/EMF). If that preview stream is corrupted or missing, the equation renders as a black box or disappears entirely. Use native Office MathML (<m:oMath>) as detailed in our guide to formatting equations in Word for journal submission.

The Field Unlinking Solution (Submission Copy Only)

To eliminate citation engine hangs without losing your dynamic references in your master working draft:

  1. Save a duplicate copy of your manuscript: Manuscript_For_Submission.docx.
  2. In the duplicate copy, select all document text by pressing Ctrl + A (Windows) or ⌘ + A (Mac).
  3. Press the unlinking shortcut:
    Windows: Ctrl + Shift + F9
    macOS: Cmd + Shift + F9 (or Fn + ⌘ + Shift + F9 on compact keyboards).
  4. This permanently converts dynamic field codes into flat, static Unicode text. The journal server receives pure text with zero dependency on external software add-ins.

If field code corruptions persist, refer to our diagnostic steps in fixing EndNote and Zotero corruption in Word.

5. Color Profiles, EPS Traps & File Size Caps

Modern scientific manuscripts routinely include high-resolution multi-panel microscopy, spectrometer outputs, and anatomical photography. However, certain graphic formats trigger silent conversion failures:

  • CMYK Color Profile Traps: Digital photography and graphic software often export in CMYK (Cyan, Magenta, Yellow, Key/Black) for commercial offset printing. However, server-side PDF proof generators in Editorial Manager are optimized exclusively for RGB. When a CMYK image is embedded directly in Word, the portal distiller can invert color channels (turning green fluorescence microscopy into bright magenta) or crash with a PostScript color space exception. Always convert images to sRGB prior to inserting into Word.
  • Encapsulated PostScript (.eps) Header Incompatibilities: Microsoft Word deprecated native EPS support due to security vulnerabilities (CVE-2017-0261). When an EPS file without a high-resolution TIFF preview header is embedded, Word renders a placeholder icon. The portal distiller fails to parse the PostScript binary, resulting in an empty white rectangle. Replace EPS graphics with vector SVG (Scalable Vector Graphics) or 300+ DPI PNGs.
  • The 50 MB - 100 MB Submission Payload Cap: While ScholarOne and Editorial Manager allow individual file uploads up to 100 MB or 250 MB, the server-side PDF distiller allocates a strict RAM execution ceiling (typically 1 GB to 2 GB per conversion worker). A 60 MB Word document containing forty uncompressed 16-bit TIFF files expands to over 4 GB of uncompressed raster data in server memory during PDF compilation, triggering an Out-of-Memory (OOM) killer event.

6. Remote Template Locks & Normal.dotm Network Hangs

A subtle, rarely diagnosed root cause of portal conversion timeouts is the attached document template path.

When a manuscript is created within an institutional network (e.g., a hospital workstation, university lab server, or corporate laptop), Microsoft Word records the absolute path to the base template in word/_rels/settings.xml.rels:

<Relationship Id="rId1" 
  Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/attachedTemplate" 
  Target="file:////LAB-STORAGE-01/Templates/Clinical_Research_Normal.dotm" 
  TargetMode="External"/>

If the document setting Automatically update document styles is enabled, the headless Word conversion server attempts to resolve the external UNC target path (//LAB-STORAGE-01/...). Because the private enterprise server is unreachable over the public internet, the server hangs waiting for the SMB network timeout (frequently 60 to 120 seconds per check), exhausting the portal's build threshold.

Detaching the Remote Template

  1. In Word, enable the Developer tab via Word > Preferences > Ribbon & Toolbar > Check Developer (or File > Options > Customize Ribbon).
  2. On the Developer tab, click Document Template.
  3. In the Document template field, clear any network server path and ensure it references only Normal.dotm (or leave it blank).
  4. Uncheck Automatically update document styles and click OK.

7. The 15-Minute Pre-Upload Sanitization Protocol

Before uploading any manuscript to Editorial Manager, ScholarOne, or other submission systems, execute this authoritative 5-point verification checklist:

StepAction TargetCommand / ShortcutVerification Standard
1Graphic ObjectsPicture Format > Wrap Text100% of images set to In Line with Text
2Font DefinitionsPreferences/Options > SaveEmbed fonts in the file is checked
3Table GeometryTable Properties > AlignmentCenter alignment, Indent from left: 0 cm, Wrapping: None
4Field CodesCtrl + Shift + F9 (Cmd + Shift + F9)Unlinked static citations on clean submission copy
5Continuous LinesLayout > Line Numbers > ContinuousUnbroken numbering 1 to N from Page 1 to back matter

For line numbering configuration across title pages, see our guide on inserting continuous line numbers in Word. If your journal requires double-blind peer review, you must also scrub author identities from metadata using our double-blind manuscript anonymization guide.

8. Portal Error Code & Root Cause Matrix

Use this comprehensive diagnostics matrix to match the exact error notification returned by Editorial Manager or ScholarOne to the required Microsoft Word remediation:

Table 1: Submission Portal Error Messages, Technical Root Causes, and Word OpenXML Solutions
Portal Error Notification❌ Underlying Technical Defect✓ Compliant Microsoft Word Fix
PDF Generation Failed: Timeout Exceeded (Aries Editorial Manager)Process terminated after 300s server execution limit
Floating figure anchors (<wp:anchor>) near page breaks or complex nested tables causing layout solver loop.
Server cannot resolve intersecting bounding boxes.
Convert all graphics to 'In Line with Text' (<wp:inline>) and set table wrapping to 'None'.
Deterministic top-to-bottom layout eliminates calculation hangs.
Missing Glyphs / Square Boxes in Mathematical Equations (ScholarOne)Tofu characters replacing Greek symbols and operators
Document references local proprietary symbol fonts without font embedding (missing w:embedTrueTypeFonts).
Linux server substitutes DejaVu or Courier, breaking codepoints.
Enable 'Embed fonts in the file' under Word Save Options, or convert legacy MathType to native OMML.
Font subsets packaged directly into the .docx zip archive.
Table Truncated at Right Margin Boundary (Editorial Manager)Rightmost columns clipped or pushed off visible page
Negative left table indent (w:tblInd < 0) or total column widths exceeding 16.5 cm (6.5 in).
Distiller renders table into unprintable margin coordinates.
Set Table Alignment to Centre, Indent from Left to 0 cm, and AutoFit to Window.
Table boundaries strictly contained within page margin box.
Internal Server Error During Document Inspection (ScholarOne Manuscripts)Portal refuses file during initial upload validation
Active EndNote/Mendeley COM field codes ({ ADDIN EN.CITE }) or attached external network template path.
Distiller halts waiting for unavailable external network server.
Unlink field codes (Ctrl+Shift+F9) on upload draft and clear attached template UNC path in Developer.
Zero external COM hooks or unreachable intranet paths.
Color Shift / Blank Figures in PDF Proof (All Portals)Fluorescence microscopy inverted; vector art blank
Images formatted in CMYK color space or EPS files lacking standard TIFF preview headers.
Linux PDF distiller cannot translate CMYK PostScript streams.
Convert all figure assets to sRGB color space; replace EPS files with 300 DPI PNG or SVG.
Flawless color fidelity across all digital PDF viewers.

Automate Submission Compliance with ScholarSpec

Manually hunting through a 40-page manuscript to verify every figure anchor, audit 15 statistical tables, inspect font embedding XML tags, and verify continuous line numbering takes hours of meticulous troubleshooting.

ScholarSpec provides an automated, deterministic OpenXML compliance engine engineered specifically for Microsoft Word manuscripts:

  • 1-Click Anchor Conversion: Scans all <wp:anchor> elements and normalizes them into compliant <wp:inline> structures with caption proximity locks.
  • Table Geometry Sanitization: Normalizes table widths to printable margins, eliminates negative indents, and enforces academic 3-line borders.
  • Font Embedding & Geometry Verification: Injects compliant <w:embedTrueTypeFonts/> parameters and ensures single-column or two-column compliance across publisher profiles (Elsevier, Springer Nature, Wiley, IEEE, and Taylor & Francis).

Format Your Manuscript for Flawless Portal Ingestion

Upload your .docx file to ScholarSpec. Our engine automatically resolves floating drawing anchors, fixes table geometry, embeds required fonts, and outputs a 100% submission-ready document in under 60 seconds.

Scan Manuscript for Portal Compliance ➔

Frequently Asked Questions (FAQ)

Why does Editorial Manager report 'PDF build failed' while Microsoft Word exports PDF cleanly on my local machine?

Local PDF export in Microsoft Word uses your operating system's local font rendering engine, GPU graphics pipeline, and active reference manager add-ins. Portal submission engines (Editorial Manager and ScholarOne) run headless server-side conversion pipelines on Linux server clusters using Ghostscript, Apache PDFBox, or LibreOffice daemons. Server pipelines lack your local font files, cannot evaluate proprietary reference add-ins, and terminate conversions with a timeout error if floating graphics or negative table indents fail coordinate calculations.

How do floating figure anchors cause automated PDF proof generation timeouts in ScholarOne?

When a figure is configured with floating text wrapping ('Square', 'Tight', 'Top and Bottom', or 'Behind Text'), Word encodes it in OpenXML as a wp:anchor container with relative vertical and horizontal positioning coordinates. When headless conversion daemons paginate multi-column or single-column layouts with complex margins, the layout solver can enter an infinite calculation loop trying to reconcile floating bounding boxes across page breaks, exhausting the server execution timeout limit (typically 180 to 300 seconds) and throwing a generic build failure.

What causes Greek letters and mathematical symbols to turn into blank boxes or question marks in the journal PDF proof?

Missing symbol glyphs occur when non-standard fonts (such as legacy Symbol, MT Extra, or custom MathType fonts) are referenced in run properties (w:rFonts) without font embedding. Linux server converters lack these proprietary Windows/macOS fonts and substitute fallback typefaces like Courier or DejaVu Sans. Because character code points in legacy symbol fonts do not map to standard Unicode positions, the substituted font fails to resolve the glyph, rendering an empty box (tofu) or question mark. Enabling TrueType font embedding in Word forces the binary font subset into the docx archive.

Can active EndNote or Mendeley citation fields crash portal PDF generation?

Yes. Active citation managers embed proprietary dynamic XML fields (such as ADDIN EN.CITE in EndNote or CSL_CITATION in Zotero) with linked bookmarks. When server-side converters execute Word field updates, they encounter unresolvable COM/OLE automation hooks. If a field code contains an orphaned bookmark or corrupted character sequence, the background Word processor hangs waiting for a dialog response, triggering a portal conversion timeout. Unlinking field codes into static text resolves this issue instantly.

Why do wide multi-column tables get clipped at the right margin in Editorial Manager PDF proofs?

Table clipping happens when total table width exceeds the printable page area (15.24 cm / 6.0 in on Letter sheets with 1.25-inch margins) or when a negative left table indent (such as w:tblInd w:w='-280') shifts the table boundary beyond the margin. Headless PDF engines do not auto-shrink oversized tables; they clip the rightmost columns at the page edge. Setting table preferred width to 100% and setting indent from left to 0 cm ensures complete table visibility.